diff --git a/db/migrate/20221018050323_add_objective_and_keyresult_to_work_item_types.rb b/db/migrate/20221018050323_add_objective_and_keyresult_to_work_item_types.rb
index 51834a3b19b4800bccbe2aa3804953613c70a201..d071c0484a77c88e97c9f67ebf6fdd7f9bcb56e6 100644
--- a/db/migrate/20221018050323_add_objective_and_keyresult_to_work_item_types.rb
+++ b/db/migrate/20221018050323_add_objective_and_keyresult_to_work_item_types.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class AddObjectiveAndKeyresultToWorkItemTypes < Gitlab::Database::Migration[2.0]
   # Added the following statements as per https://docs.gitlab.com/ee/development/database/migrations_for_multiple_databases.html
   disable_ddl_transaction!
diff --git a/db/migrate/20230426102200_fix_import_sources_on_application_settings_after_phabricator_removal.rb b/db/migrate/20230426102200_fix_import_sources_on_application_settings_after_phabricator_removal.rb
index e2061138fc4e83cd586643a04b9c74d4d6129615..ca56d4ac264cad0919d150be7926173a29674bfb 100644
--- a/db/migrate/20230426102200_fix_import_sources_on_application_settings_after_phabricator_removal.rb
+++ b/db/migrate/20230426102200_fix_import_sources_on_application_settings_after_phabricator_removal.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class FixImportSourcesOnApplicationSettingsAfterPhabricatorRemoval < Gitlab::Database::Migration[2.1]
   disable_ddl_transaction!
 
diff --git a/db/migrate/20230426161259_add_user_foreign_key_to_merge_request_diff_llm_summary.rb b/db/migrate/20230426161259_add_user_foreign_key_to_merge_request_diff_llm_summary.rb
index d5692b4d95653b8e8adc884b0ec9abc701931225..64277833c76c700d674f6926abfd9e172c02fd62 100644
--- a/db/migrate/20230426161259_add_user_foreign_key_to_merge_request_diff_llm_summary.rb
+++ b/db/migrate/20230426161259_add_user_foreign_key_to_merge_request_diff_llm_summary.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class AddUserForeignKeyToMergeRequestDiffLlmSummary < Gitlab::Database::Migration[2.1]
   disable_ddl_transaction!
 
diff --git a/db/migrate/20230426161341_add_merge_request_diff_foreign_key_to_merge_request_diff_llm_summary.rb b/db/migrate/20230426161341_add_merge_request_diff_foreign_key_to_merge_request_diff_llm_summary.rb
index 4271bd3c07c8e04d7d573704f9922a4252230000..c589717f0a2efdd1e141929497f2f4926b8f6111 100644
--- a/db/migrate/20230426161341_add_merge_request_diff_foreign_key_to_merge_request_diff_llm_summary.rb
+++ b/db/migrate/20230426161341_add_merge_request_diff_foreign_key_to_merge_request_diff_llm_summary.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class AddMergeRequestDiffForeignKeyToMergeRequestDiffLlmSummary < Gitlab::Database::Migration[2.1]
   disable_ddl_transaction!
 
diff --git a/db/migrate/20230626065725_backfill_instance_audit_event_name.rb b/db/migrate/20230626065725_backfill_instance_audit_event_name.rb
index 082a57fcc99b5bd2b5efbcea560eca7dab50416f..ac3c617d26127d9a0da5b37986495996cdb071fe 100644
--- a/db/migrate/20230626065725_backfill_instance_audit_event_name.rb
+++ b/db/migrate/20230626065725_backfill_instance_audit_event_name.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class BackfillInstanceAuditEventName < Gitlab::Database::Migration[2.1]
   disable_ddl_transaction!
 
diff --git a/db/migrate/20231103162825_add_wolfi_purl_type_to_package_metadata_purl_types.rb b/db/migrate/20231103162825_add_wolfi_purl_type_to_package_metadata_purl_types.rb
index bdbe8aa3a637beddc49e169c572a1edb222068de..f2298703d11803519a6809b0828efa8d3e823af4 100644
--- a/db/migrate/20231103162825_add_wolfi_purl_type_to_package_metadata_purl_types.rb
+++ b/db/migrate/20231103162825_add_wolfi_purl_type_to_package_metadata_purl_types.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class AddWolfiPurlTypeToPackageMetadataPurlTypes < Gitlab::Database::Migration[2.2]
   milestone '16.6'
 
diff --git a/db/post_migrate/20221103073328_change_member_namespace_id_not_null.rb b/db/post_migrate/20221103073328_change_member_namespace_id_not_null.rb
index 19f6732d29771b678023a9ea3ad17ca7ce0fce50..ef493e12f38d495f3f6bfe21dc8e5777ca5de110 100644
--- a/db/post_migrate/20221103073328_change_member_namespace_id_not_null.rb
+++ b/db/post_migrate/20221103073328_change_member_namespace_id_not_null.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class ChangeMemberNamespaceIdNotNull < Gitlab::Database::Migration[2.0]
   disable_ddl_transaction!
 
diff --git a/db/post_migrate/20230113003255_remove_atlassian_refresh_token_constraint.rb b/db/post_migrate/20230113003255_remove_atlassian_refresh_token_constraint.rb
index 81c3f10c0f6ee21dbb453f4d0c6fddefe0fb6b02..7929d4495c004351cfcdb8da3d249e56c221321f 100644
--- a/db/post_migrate/20230113003255_remove_atlassian_refresh_token_constraint.rb
+++ b/db/post_migrate/20230113003255_remove_atlassian_refresh_token_constraint.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class RemoveAtlassianRefreshTokenConstraint < Gitlab::Database::Migration[2.1]
   CONSTRAINT_NAME = 'atlassian_identities_refresh_token_length_constraint'
 
diff --git a/db/post_migrate/20230113201308_backfill_namespace_ldap_settings.rb b/db/post_migrate/20230113201308_backfill_namespace_ldap_settings.rb
index 19020fecad5536ea662c0edc4da6a4fd1c49eab0..28a600c459f8483320f1ab9d1f9ef01e0aed3d04 100644
--- a/db/post_migrate/20230113201308_backfill_namespace_ldap_settings.rb
+++ b/db/post_migrate/20230113201308_backfill_namespace_ldap_settings.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class BackfillNamespaceLdapSettings < Gitlab::Database::Migration[2.1]
   restrict_gitlab_migration gitlab_schema: :gitlab_main
   disable_ddl_transaction!
diff --git a/db/post_migrate/20230124104310_prepare_web_hook_logs_id_created_at_async_index.rb b/db/post_migrate/20230124104310_prepare_web_hook_logs_id_created_at_async_index.rb
index ea087265c905476020b28f28da90a364ad87e907..d22fda092d3719869f4ddc1690a3d37a7a54575b 100644
--- a/db/post_migrate/20230124104310_prepare_web_hook_logs_id_created_at_async_index.rb
+++ b/db/post_migrate/20230124104310_prepare_web_hook_logs_id_created_at_async_index.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class PrepareWebHookLogsIdCreatedAtAsyncIndex < Gitlab::Database::Migration[2.1]
   include Gitlab::Database::PartitioningMigrationHelpers
 
diff --git a/db/post_migrate/20230315161408_finalize_set_notifications_bigint_conversion_backfill.rb b/db/post_migrate/20230315161408_finalize_set_notifications_bigint_conversion_backfill.rb
index d4a6d86d9cb5f7c48deeb1664d45fa0102ee597f..2f83fc15672a600a17bc36df466782f1ad6a6bdc 100644
--- a/db/post_migrate/20230315161408_finalize_set_notifications_bigint_conversion_backfill.rb
+++ b/db/post_migrate/20230315161408_finalize_set_notifications_bigint_conversion_backfill.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class FinalizeSetNotificationsBigintConversionBackfill < Gitlab::Database::Migration[2.1]
   include Gitlab::Database::MigrationHelpers::ConvertToBigint
   restrict_gitlab_migration gitlab_schema: :gitlab_main
diff --git a/db/post_migrate/20230328184031_swap_sent_notifications_id_columns.rb b/db/post_migrate/20230328184031_swap_sent_notifications_id_columns.rb
index a2a0751c38a922c1f53fe2310cbcb8c4bf6123f3..b6215565b504cd1dd047292be479c2f0a08b5af0 100644
--- a/db/post_migrate/20230328184031_swap_sent_notifications_id_columns.rb
+++ b/db/post_migrate/20230328184031_swap_sent_notifications_id_columns.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class SwapSentNotificationsIdColumns < Gitlab::Database::Migration[2.1]
   include Gitlab::Database::MigrationHelpers::ConvertToBigint
 
diff --git a/db/post_migrate/20230404061832_drop_sync_index_ci_job_artifacts_on_expire_at_for_removal.rb b/db/post_migrate/20230404061832_drop_sync_index_ci_job_artifacts_on_expire_at_for_removal.rb
index efa0792c4572385a400bf9d21633ed4e59ad0dd4..491ec0c02d5240ba2b1eb9f240fbb504d54055b5 100644
--- a/db/post_migrate/20230404061832_drop_sync_index_ci_job_artifacts_on_expire_at_for_removal.rb
+++ b/db/post_migrate/20230404061832_drop_sync_index_ci_job_artifacts_on_expire_at_for_removal.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropSyncIndexCiJobArtifactsOnExpireAtForRemoval < Gitlab::Database::Migration[2.1]
   INDEX_NAME = 'index_ci_job_artifacts_on_expire_at_for_removal'
   CONDITIONS = 'locked = 0 AND expire_at IS NOT NULL'
diff --git a/db/post_migrate/20230420065656_finalize_fix_incoherent_packages_size_on_project_statistics.rb b/db/post_migrate/20230420065656_finalize_fix_incoherent_packages_size_on_project_statistics.rb
index aa03310eb0a212733220c413c7aa4e198ce6e0f2..8932c52d4451060cf0d9774f9c890efe8955c403 100644
--- a/db/post_migrate/20230420065656_finalize_fix_incoherent_packages_size_on_project_statistics.rb
+++ b/db/post_migrate/20230420065656_finalize_fix_incoherent_packages_size_on_project_statistics.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class FinalizeFixIncoherentPackagesSizeOnProjectStatistics < Gitlab::Database::Migration[2.1]
   MIGRATION = 'FixIncoherentPackagesSizeOnProjectStatistics'
   disable_ddl_transaction!
diff --git a/db/post_migrate/20230427194552_drop_cycle_analytics_unused_tables.rb b/db/post_migrate/20230427194552_drop_cycle_analytics_unused_tables.rb
index 7c10238a1bc32c0c4298e25e5d5f0f8bcedc289d..be3f80389b063dbdb353cf250bb0adea61ac01f5 100644
--- a/db/post_migrate/20230427194552_drop_cycle_analytics_unused_tables.rb
+++ b/db/post_migrate/20230427194552_drop_cycle_analytics_unused_tables.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropCycleAnalyticsUnusedTables < Gitlab::Database::Migration[2.1]
   disable_ddl_transaction!
 
diff --git a/db/post_migrate/20230501094322_prepare_removal_partial_index_deployments_for_project_id_and_tag.rb b/db/post_migrate/20230501094322_prepare_removal_partial_index_deployments_for_project_id_and_tag.rb
index bbdfb89bb80cae56f0e13c24eb78bf833d2963a9..1c0edcd5c4424af939fc345c9e560d6e2d0e26f9 100644
--- a/db/post_migrate/20230501094322_prepare_removal_partial_index_deployments_for_project_id_and_tag.rb
+++ b/db/post_migrate/20230501094322_prepare_removal_partial_index_deployments_for_project_id_and_tag.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class PrepareRemovalPartialIndexDeploymentsForProjectIdAndTag < Gitlab::Database::Migration[2.1]
   INDEX_NAME = 'partial_index_deployments_for_project_id_and_tag'
 
diff --git a/db/post_migrate/20230501180958_drop_clusters_applications_cert_managers.rb b/db/post_migrate/20230501180958_drop_clusters_applications_cert_managers.rb
index 3eb5fc13a2a216bbeebd7683c5c5aa035f74bcaa..0d60a816c025feb5f8326dbc89b230372db678aa 100644
--- a/db/post_migrate/20230501180958_drop_clusters_applications_cert_managers.rb
+++ b/db/post_migrate/20230501180958_drop_clusters_applications_cert_managers.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropClustersApplicationsCertManagers < Gitlab::Database::Migration[2.1]
   def up
     drop_table :clusters_applications_cert_managers
diff --git a/db/post_migrate/20230502134532_drop_clusters_applications_cilium.rb b/db/post_migrate/20230502134532_drop_clusters_applications_cilium.rb
index 2c7b7d89bf5fc20a4eb8eec8fa7271f23271bc1d..e7755c940a5af0d7e41d2f606667cc6ea0451d0f 100644
--- a/db/post_migrate/20230502134532_drop_clusters_applications_cilium.rb
+++ b/db/post_migrate/20230502134532_drop_clusters_applications_cilium.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropClustersApplicationsCilium < Gitlab::Database::Migration[2.1]
   def up
     drop_table :clusters_applications_cilium
diff --git a/db/post_migrate/20230502182754_drop_clusters_applications_crossplane.rb b/db/post_migrate/20230502182754_drop_clusters_applications_crossplane.rb
index 1eeb7770c82a51ae2974d7c5b14339fc620ae4b6..9262f7d99559466851b6a8b8f7d4f681b4ae5965 100644
--- a/db/post_migrate/20230502182754_drop_clusters_applications_crossplane.rb
+++ b/db/post_migrate/20230502182754_drop_clusters_applications_crossplane.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropClustersApplicationsCrossplane < Gitlab::Database::Migration[2.1]
   def up
     drop_table :clusters_applications_crossplane
diff --git a/db/post_migrate/20230502193525_drop_clusters_applications_helm.rb b/db/post_migrate/20230502193525_drop_clusters_applications_helm.rb
index c435b356e010270cdbd4bd32692b0579a09232a2..2efa53e5b312343bd569edaf195b1b3e919c4ae8 100644
--- a/db/post_migrate/20230502193525_drop_clusters_applications_helm.rb
+++ b/db/post_migrate/20230502193525_drop_clusters_applications_helm.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropClustersApplicationsHelm < Gitlab::Database::Migration[2.1]
   def up
     drop_table :clusters_applications_helm
diff --git a/db/post_migrate/20230502201251_drop_clusters_applications_ingress.rb b/db/post_migrate/20230502201251_drop_clusters_applications_ingress.rb
index 3ccc536cb7e7719034e6edd4e51c9ec7dedd1f15..409c9c49b1cdcbaa2c7c0b95a44a863c24d1c77f 100644
--- a/db/post_migrate/20230502201251_drop_clusters_applications_ingress.rb
+++ b/db/post_migrate/20230502201251_drop_clusters_applications_ingress.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropClustersApplicationsIngress < Gitlab::Database::Migration[2.1]
   def up
     drop_table :clusters_applications_ingress
diff --git a/db/post_migrate/20230503115918_drop_clusters_applications_jupyter.rb b/db/post_migrate/20230503115918_drop_clusters_applications_jupyter.rb
index bd98aa6d19ca802c3e0b331a0087b9d10b0031a7..35bddba301adc856a5c03fb679844704353fecb1 100644
--- a/db/post_migrate/20230503115918_drop_clusters_applications_jupyter.rb
+++ b/db/post_migrate/20230503115918_drop_clusters_applications_jupyter.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropClustersApplicationsJupyter < Gitlab::Database::Migration[2.1]
   def up
     drop_table :clusters_applications_jupyter
diff --git a/db/post_migrate/20230503152349_drop_clusters_applications_knative.rb b/db/post_migrate/20230503152349_drop_clusters_applications_knative.rb
index e8473b7440851bf00e778d63f2be3eb2089ced65..38f28eca109a9ca7d61c9aeb5046533909b03e95 100644
--- a/db/post_migrate/20230503152349_drop_clusters_applications_knative.rb
+++ b/db/post_migrate/20230503152349_drop_clusters_applications_knative.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropClustersApplicationsKnative < Gitlab::Database::Migration[2.1]
   def up
     drop_table :clusters_applications_knative
diff --git a/db/post_migrate/20230503173101_drop_clusters_applications_prometheus.rb b/db/post_migrate/20230503173101_drop_clusters_applications_prometheus.rb
index b62452f2052e77df38e544af53e5670b9ea4f462..35db7cbed47524c57196d140d3869f479f42f8d4 100644
--- a/db/post_migrate/20230503173101_drop_clusters_applications_prometheus.rb
+++ b/db/post_migrate/20230503173101_drop_clusters_applications_prometheus.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropClustersApplicationsPrometheus < Gitlab::Database::Migration[2.1]
   def up
     drop_table :clusters_applications_prometheus
diff --git a/db/post_migrate/20230503175406_drop_clusters_applications_runners.rb b/db/post_migrate/20230503175406_drop_clusters_applications_runners.rb
index a4ab75dbce5afae9948e6e5aef41a818faffe230..fb177b5a1de9eee4923ca6b588e441a360751e84 100644
--- a/db/post_migrate/20230503175406_drop_clusters_applications_runners.rb
+++ b/db/post_migrate/20230503175406_drop_clusters_applications_runners.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropClustersApplicationsRunners < Gitlab::Database::Migration[2.1]
   def up
     drop_table :clusters_applications_runners
diff --git a/db/post_migrate/20230503181808_drop_serverless_domain_cluster.rb b/db/post_migrate/20230503181808_drop_serverless_domain_cluster.rb
index 003f2d91b549e765d2966423590cc1a556031fd3..b68b7e8528577453b79ac813ae4ef8bd6609079e 100644
--- a/db/post_migrate/20230503181808_drop_serverless_domain_cluster.rb
+++ b/db/post_migrate/20230503181808_drop_serverless_domain_cluster.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropServerlessDomainCluster < Gitlab::Database::Migration[2.1]
   def up
     drop_table :serverless_domain_cluster
diff --git a/db/post_migrate/20230515153600_finalize_back_fill_prepared_at_merge_requests.rb b/db/post_migrate/20230515153600_finalize_back_fill_prepared_at_merge_requests.rb
index 6c0e4e722d29264244d802d08cc5f50e4c4d7ba5..2b5d742445029aa03b6ff770d179e44d2d8f7b48 100644
--- a/db/post_migrate/20230515153600_finalize_back_fill_prepared_at_merge_requests.rb
+++ b/db/post_migrate/20230515153600_finalize_back_fill_prepared_at_merge_requests.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class FinalizeBackFillPreparedAtMergeRequests < Gitlab::Database::Migration[2.1]
   disable_ddl_transaction!
 
diff --git a/db/post_migrate/20230605192000_drop_tmp_index_oauth_access_tokens_on_id_where_expires_in_null.rb b/db/post_migrate/20230605192000_drop_tmp_index_oauth_access_tokens_on_id_where_expires_in_null.rb
index c74df0a5cdd2e0c73f33c7770455ae41d922718c..b82c2dfb8ed75c2f78f70a0c563fcd87d4ca491c 100644
--- a/db/post_migrate/20230605192000_drop_tmp_index_oauth_access_tokens_on_id_where_expires_in_null.rb
+++ b/db/post_migrate/20230605192000_drop_tmp_index_oauth_access_tokens_on_id_where_expires_in_null.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropTmpIndexOauthAccessTokensOnIdWhereExpiresInNull < Gitlab::Database::Migration[2.1]
   TMP_INDEX = 'tmp_index_oauth_access_tokens_on_id_where_expires_in_null'
 
diff --git a/db/post_migrate/20230615030402_remove_audit_events_group_index.rb b/db/post_migrate/20230615030402_remove_audit_events_group_index.rb
index 9a77d7a4d0dd16b07a84e734b52cb7aa7263fecc..ff75a04b0f40c577a5507ed45d850e9b846dcad1 100644
--- a/db/post_migrate/20230615030402_remove_audit_events_group_index.rb
+++ b/db/post_migrate/20230615030402_remove_audit_events_group_index.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class RemoveAuditEventsGroupIndex < Gitlab::Database::Migration[2.1]
   include Gitlab::Database::PartitioningMigrationHelpers
 
diff --git a/db/post_migrate/20230704042302_prepare_removal_index_deployments_on_project_id_sha.rb b/db/post_migrate/20230704042302_prepare_removal_index_deployments_on_project_id_sha.rb
index 77ddd909215a13315765bf051691508196d93e44..3ab42c70d8aa4be45f6d153d1e1b8198107b00cc 100644
--- a/db/post_migrate/20230704042302_prepare_removal_index_deployments_on_project_id_sha.rb
+++ b/db/post_migrate/20230704042302_prepare_removal_index_deployments_on_project_id_sha.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class PrepareRemovalIndexDeploymentsOnProjectIdSha < Gitlab::Database::Migration[2.1]
   INDEX_NAME = 'index_deployments_on_project_id_sha'
 
diff --git a/db/post_migrate/20230704044541_prepare_removal_index_deployments_on_project_id_and_status.rb b/db/post_migrate/20230704044541_prepare_removal_index_deployments_on_project_id_and_status.rb
index 0c9a292eb8c44c17dd9935da6c87d123e868bfdd..0098eaabf76e6ce6bcaf1f1575afc9c04300cd5d 100644
--- a/db/post_migrate/20230704044541_prepare_removal_index_deployments_on_project_id_and_status.rb
+++ b/db/post_migrate/20230704044541_prepare_removal_index_deployments_on_project_id_and_status.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class PrepareRemovalIndexDeploymentsOnProjectIdAndStatus < Gitlab::Database::Migration[2.1]
   INDEX_NAME = 'index_deployments_on_project_id_and_status'
 
diff --git a/db/post_migrate/20230704050739_prepare_removal_index_deployments_on_environment_id_and_iid_and_project_id.rb b/db/post_migrate/20230704050739_prepare_removal_index_deployments_on_environment_id_and_iid_and_project_id.rb
index 6171b58ac5364388ebc7c41f55638052cf438e09..204579d6e1872889fb6ab205cb178a070d4cbbd2 100644
--- a/db/post_migrate/20230704050739_prepare_removal_index_deployments_on_environment_id_and_iid_and_project_id.rb
+++ b/db/post_migrate/20230704050739_prepare_removal_index_deployments_on_environment_id_and_iid_and_project_id.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class PrepareRemovalIndexDeploymentsOnEnvironmentIdAndIidAndProjectId < Gitlab::Database::Migration[2.1]
   INDEX_NAME = 'index_deployments_on_environment_id_and_iid_and_project_id'
 
diff --git a/db/post_migrate/20230712052619_drop_index_deployments_on_project_id_and_status.rb b/db/post_migrate/20230712052619_drop_index_deployments_on_project_id_and_status.rb
index 0c76b73dcdcf34e30068092d32d17e607243c103..5dea67a5d1622f2af02bbda370fab2da51e2d5a3 100644
--- a/db/post_migrate/20230712052619_drop_index_deployments_on_project_id_and_status.rb
+++ b/db/post_migrate/20230712052619_drop_index_deployments_on_project_id_and_status.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropIndexDeploymentsOnProjectIdAndStatus < Gitlab::Database::Migration[2.1]
   INDEX_NAME = 'index_deployments_on_project_id_and_status'
 
diff --git a/db/post_migrate/20230712054057_drop_index_deployments_on_project_id_sha.rb b/db/post_migrate/20230712054057_drop_index_deployments_on_project_id_sha.rb
index 9916ee7f9bac41b9461bfa97b1eff9d2ddd59e9a..edb0ee98d4300264688276b5d2cf22a64f97e657 100644
--- a/db/post_migrate/20230712054057_drop_index_deployments_on_project_id_sha.rb
+++ b/db/post_migrate/20230712054057_drop_index_deployments_on_project_id_sha.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropIndexDeploymentsOnProjectIdSha < Gitlab::Database::Migration[2.1]
   INDEX_NAME = 'index_deployments_on_project_id_sha'
 
diff --git a/db/post_migrate/20230712055956_drop_index_deployments_on_environment_id_and_iid_and_project_id.rb b/db/post_migrate/20230712055956_drop_index_deployments_on_environment_id_and_iid_and_project_id.rb
index 52a02e68d147d5bf50dde92464b66d4488dbaf36..4791baf9d9efc06efa00b0304d6cf176577f5d6c 100644
--- a/db/post_migrate/20230712055956_drop_index_deployments_on_environment_id_and_iid_and_project_id.rb
+++ b/db/post_migrate/20230712055956_drop_index_deployments_on_environment_id_and_iid_and_project_id.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropIndexDeploymentsOnEnvironmentIdAndIidAndProjectId < Gitlab::Database::Migration[2.1]
   INDEX_NAME = 'index_deployments_on_environment_id_and_iid_and_project_id'
 
diff --git a/db/post_migrate/20230717062445_backfill_ci_stages_pipeline_id_conversion.rb b/db/post_migrate/20230717062445_backfill_ci_stages_pipeline_id_conversion.rb
index d93517fb49b01144d612e04d6a17e8e937f80531..c0a5c577403a44fbb18d630d404de338403f78ed 100644
--- a/db/post_migrate/20230717062445_backfill_ci_stages_pipeline_id_conversion.rb
+++ b/db/post_migrate/20230717062445_backfill_ci_stages_pipeline_id_conversion.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class BackfillCiStagesPipelineIdConversion < Gitlab::Database::Migration[2.1]
   restrict_gitlab_migration gitlab_schema: :gitlab_ci
 
diff --git a/db/post_migrate/20230724150939_index_projects_on_namespace_id_and_repository_size_limit.rb b/db/post_migrate/20230724150939_index_projects_on_namespace_id_and_repository_size_limit.rb
index fd2387e2bc46666a3cffa17d55a1d3a15244536f..2a60e9480073f56f3b8cdcdc5b784625c0d28131 100644
--- a/db/post_migrate/20230724150939_index_projects_on_namespace_id_and_repository_size_limit.rb
+++ b/db/post_migrate/20230724150939_index_projects_on_namespace_id_and_repository_size_limit.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class IndexProjectsOnNamespaceIdAndRepositorySizeLimit < Gitlab::Database::Migration[2.1]
   INDEX_NAME = "index_projects_on_namespace_id_and_repository_size_limit"
 
diff --git a/db/post_migrate/20230726080827_add_issue_search_data_namespace_id_foreign_key.rb b/db/post_migrate/20230726080827_add_issue_search_data_namespace_id_foreign_key.rb
index 43b4db7d9b565d1a166d0c14faabb3d8b9f67be6..b598696721404718f232e4a4311f651e5b1fecbe 100644
--- a/db/post_migrate/20230726080827_add_issue_search_data_namespace_id_foreign_key.rb
+++ b/db/post_migrate/20230726080827_add_issue_search_data_namespace_id_foreign_key.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class AddIssueSearchDataNamespaceIdForeignKey < Gitlab::Database::Migration[2.1]
   include Gitlab::Database::PartitioningMigrationHelpers
 
diff --git a/db/post_migrate/20230818034041_prepare_removal_index_success_deployments_on_cluster_id_and_environment_id.rb b/db/post_migrate/20230818034041_prepare_removal_index_success_deployments_on_cluster_id_and_environment_id.rb
index 39a457746768be9b9776e7a74446fbee047d5b84..db40584bb3ac857946adcfe6819aa1541fa05ae4 100644
--- a/db/post_migrate/20230818034041_prepare_removal_index_success_deployments_on_cluster_id_and_environment_id.rb
+++ b/db/post_migrate/20230818034041_prepare_removal_index_success_deployments_on_cluster_id_and_environment_id.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class PrepareRemovalIndexSuccessDeploymentsOnClusterIdAndEnvironmentId < Gitlab::Database::Migration[2.1]
   INDEX_NAME = 'index_successful_deployments_on_cluster_id_and_environment_id'
 
diff --git a/db/post_migrate/20230906181457_add_index_to_violations_on_target_proj_id.rb b/db/post_migrate/20230906181457_add_index_to_violations_on_target_proj_id.rb
index 13c76a3c2de616460a076809276f5761a68f533c..a51fbd0a00a996d61ba2eff5004b5000ee595a5b 100644
--- a/db/post_migrate/20230906181457_add_index_to_violations_on_target_proj_id.rb
+++ b/db/post_migrate/20230906181457_add_index_to_violations_on_target_proj_id.rb
@@ -2,7 +2,7 @@
 
 class AddIndexToViolationsOnTargetProjId < Gitlab::Database::Migration[2.1]
   TABLE_NAME = 'merge_requests_compliance_violations'
-  # Use funciton based naming as suggested in docs:
+  # Use function based naming as suggested in docs:
   # https://docs.gitlab.com/ee/development/migration_style_guide.html#truncate-long-index-names
   INDEX_NAME = 'i_compliance_violations_for_export'
 
diff --git a/db/post_migrate/20230929095008_drop_application_settings_product_analytics_cluster_settings.rb b/db/post_migrate/20230929095008_drop_application_settings_product_analytics_cluster_settings.rb
index b759ee2191252859ab6c9f5dc4280df9cc46a515..d8a7f0017fab9823891a846a8918101f7fcea41f 100644
--- a/db/post_migrate/20230929095008_drop_application_settings_product_analytics_cluster_settings.rb
+++ b/db/post_migrate/20230929095008_drop_application_settings_product_analytics_cluster_settings.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropApplicationSettingsProductAnalyticsClusterSettings < Gitlab::Database::Migration[2.1]
   disable_ddl_transaction!
 
diff --git a/db/post_migrate/20230929095728_drop_project_settings_product_analytics_cluster_settings.rb b/db/post_migrate/20230929095728_drop_project_settings_product_analytics_cluster_settings.rb
index e6f0c29fb7a2209b0c5f9165323f4becef676005..d8054a34a4b71cb5c43b2c2609939ed139e9137e 100644
--- a/db/post_migrate/20230929095728_drop_project_settings_product_analytics_cluster_settings.rb
+++ b/db/post_migrate/20230929095728_drop_project_settings_product_analytics_cluster_settings.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class DropProjectSettingsProductAnalyticsClusterSettings < Gitlab::Database::Migration[2.1]
   disable_ddl_transaction!
 
diff --git a/db/post_migrate/20231012180342_index_stopping_environments_on_updated_at.rb b/db/post_migrate/20231012180342_index_stopping_environments_on_updated_at.rb
index 3b9332ab0f820cd565aa8fa0c2c7a079999a92b7..cca6ed23fefafea8173dea0568ffcc383f29d928 100644
--- a/db/post_migrate/20231012180342_index_stopping_environments_on_updated_at.rb
+++ b/db/post_migrate/20231012180342_index_stopping_environments_on_updated_at.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class IndexStoppingEnvironmentsOnUpdatedAt < Gitlab::Database::Migration[2.1]
   INDEX_NAME = 'index_environments_on_updated_at_for_stopping_state'
 
diff --git a/db/post_migrate/20231023113908_add_index_stopping_environments_on_updated_at.rb b/db/post_migrate/20231023113908_add_index_stopping_environments_on_updated_at.rb
index 01fe32d6bd7324f19fbaab40e23950670c1362dd..5df8625c24c4e0b25a53023a351816c40fdc8bb5 100644
--- a/db/post_migrate/20231023113908_add_index_stopping_environments_on_updated_at.rb
+++ b/db/post_migrate/20231023113908_add_index_stopping_environments_on_updated_at.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-# See https://docs.gitlab.com/ee/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
 class AddIndexStoppingEnvironmentsOnUpdatedAt < Gitlab::Database::Migration[2.1]
   INDEX_NAME = 'index_environments_on_updated_at_for_stopping_state'