diff --git a/app/models/container_repository.rb b/app/models/container_repository.rb
index ff10583239189b79c5193109682261dfc4105254..6330e46eb44870a88bb8f517f5dda630a0665c90 100644
--- a/app/models/container_repository.rb
+++ b/app/models/container_repository.rb
@@ -17,7 +17,6 @@ class ContainerRepository < ApplicationRecord
   ABORTABLE_MIGRATION_STATES = (ACTIVE_MIGRATION_STATES + %w[pre_import_done default]).freeze
   SKIPPABLE_MIGRATION_STATES = (ABORTABLE_MIGRATION_STATES + %w[import_aborted]).freeze
 
-  MIGRATION_PHASE_1_STARTED_AT = Date.new(2021, 11, 4).freeze
   MIGRATION_PHASE_1_ENDED_AT = Date.new(2022, 01, 23).freeze
 
   MAX_TAGS_PAGES = 2000
@@ -547,8 +546,6 @@ def start_expiration_policy!
 
   def size
     strong_memoize(:size) do
-      next unless Gitlab.com_except_jh?
-      next if self.created_at.before?(MIGRATION_PHASE_1_STARTED_AT) && self.migration_state != 'import_done'
       next unless gitlab_api_client.supports_gitlab_api?
 
       gitlab_api_client.repository_details(self.path, sizing: :self)['size_bytes']
diff --git a/lib/container_registry/gitlab_api_client.rb b/lib/container_registry/gitlab_api_client.rb
index 276f9b492cb001740d6e5d314fc78b55ac416b8d..2c2878e542804c7c54fed6d7e27e2c1c32045ee7 100644
--- a/lib/container_registry/gitlab_api_client.rb
+++ b/lib/container_registry/gitlab_api_client.rb
@@ -114,6 +114,8 @@ def supports_gitlab_api?
           response.success? || response.status == 401
         end
       end
+    rescue ::Faraday::Error
+      false
     end
 
     # Deprecated. Will be removed as part of https://gitlab.com/gitlab-org/gitlab/-/issues/409873.
diff --git a/spec/lib/container_registry/gitlab_api_client_spec.rb b/spec/lib/container_registry/gitlab_api_client_spec.rb
index e13f639f048f9125762005975f9eeaed7f2fe0ce..44155698095e45653f3dd182cf32b207d07e2a8c 100644
--- a/spec/lib/container_registry/gitlab_api_client_spec.rb
+++ b/spec/lib/container_registry/gitlab_api_client_spec.rb
@@ -54,6 +54,17 @@
 
       it { is_expected.to be_truthy }
     end
+
+    context "when the response is a Faraday::Error" do
+      before do
+        allow(::Gitlab).to receive(:com_except_jh?).and_return(false)
+        stub_application_setting(container_registry_features: [])
+        stub_request(:get, "#{registry_api_url}/gitlab/v1/")
+          .to_raise(::Faraday::Error)
+      end
+
+      it { is_expected.to be_falsey }
+    end
   end
 
   describe '#pre_import_repository' do
diff --git a/spec/models/container_repository_spec.rb b/spec/models/container_repository_spec.rb
index ec9f4c787a4f155857eb4cda94834ef1e307089d..b617fae1ad21f1808bb2d29b59bccff2268ae647 100644
--- a/spec/models/container_repository_spec.rb
+++ b/spec/models/container_repository_spec.rb
@@ -999,17 +999,9 @@ def expected_tags_from(client_tags)
   end
 
   describe '#size' do
-    let(:on_com) { true }
-    let(:created_at) { described_class::MIGRATION_PHASE_1_STARTED_AT + 3.months }
-
     subject { repository.size }
 
-    before do
-      allow(::Gitlab).to receive(:com_except_jh?).and_return(on_com)
-      allow(repository).to receive(:created_at).and_return(created_at)
-    end
-
-    context 'supports gitlab api on .com with a recent repository' do
+    context 'supports gitlab api' do
       before do
         expect(repository.gitlab_api_client).to receive(:supports_gitlab_api?).and_return(true)
         expect(repository.gitlab_api_client).to receive(:repository_details).with(repository.path, sizing: :self).and_return(response)
@@ -1036,37 +1028,6 @@ def expected_tags_from(client_tags)
 
       it { is_expected.to eq(nil) }
     end
-
-    context 'not on .com' do
-      let(:on_com) { false }
-
-      it { is_expected.to eq(nil) }
-    end
-
-    context 'supports gitlab api on .com with an old repository' do
-      let(:on_com) { true }
-      let(:created_at) { described_class::MIGRATION_PHASE_1_STARTED_AT - 3.months }
-
-      before do
-        allow(repository.gitlab_api_client).to receive(:supports_gitlab_api?).and_return(true)
-        allow(repository.gitlab_api_client).to receive(:repository_details).with(repository.path, sizing: :self).and_return(response)
-        expect(repository).to receive(:migration_state).and_return(migration_state)
-      end
-
-      context 'with migration_state import_done' do
-        let(:response) { { 'size_bytes' => 12345 } }
-        let(:migration_state) { 'import_done' }
-
-        it { is_expected.to eq(12345) }
-      end
-
-      context 'with migration_state not import_done' do
-        let(:response) { { 'size_bytes' => 12345 } }
-        let(:migration_state) { 'default' }
-
-        it { is_expected.to eq(nil) }
-      end
-    end
   end
 
   describe '#set_delete_ongoing_status', :freeze_time do
diff --git a/spec/requests/api/container_repositories_spec.rb b/spec/requests/api/container_repositories_spec.rb
index 82c6336216697d9e263fed2eb11c0db4a3c19fa4..34a800ba4a22dc748fc086577474a0f80a838b75 100644
--- a/spec/requests/api/container_repositories_spec.rb
+++ b/spec/requests/api/container_repositories_spec.rb
@@ -115,13 +115,6 @@
 
       context 'with size param' do
         let(:url) { "/registry/repositories/#{repository.id}?size=true" }
-        let(:on_com) { true }
-        let(:created_at) { ::ContainerRepository::MIGRATION_PHASE_1_STARTED_AT + 3.months }
-
-        before do
-          allow(::Gitlab).to receive(:com_except_jh?).and_return(on_com)
-          repository.update_column(:created_at, created_at)
-        end
 
         it 'returns a repository and its size' do
           stub_container_registry_gitlab_api_support(supported: true) do |client|
@@ -153,26 +146,6 @@
             expect(json_response['size']).to eq(nil)
           end
         end
-
-        context 'not on .com' do
-          let(:on_com) { false }
-
-          it 'returns nil' do
-            subject
-
-            expect(json_response['size']).to eq(nil)
-          end
-        end
-
-        context 'with an older container repository' do
-          let(:created_at) { ::ContainerRepository::MIGRATION_PHASE_1_STARTED_AT - 3.months }
-
-          it 'returns nil' do
-            subject
-
-            expect(json_response['size']).to eq(nil)
-          end
-        end
       end
     end
 
diff --git a/spec/requests/api/graphql/container_repository/container_repository_details_spec.rb b/spec/requests/api/graphql/container_repository/container_repository_details_spec.rb
index 46563aba992519ef403509323049e203a9c40f45..4bb92e9901987fb5be9bb45529b7f10b792b4bc7 100644
--- a/spec/requests/api/graphql/container_repository/container_repository_details_spec.rb
+++ b/spec/requests/api/graphql/container_repository/container_repository_details_spec.rb
@@ -225,8 +225,6 @@
 
   context 'size field' do
     let(:size_response) { container_repository_details_response.dig('size') }
-    let(:on_com) { true }
-    let(:created_at) { ::ContainerRepository::MIGRATION_PHASE_1_STARTED_AT + 3.months }
     let(:variables) do
       { id: container_repository_global_id }
     end
@@ -241,11 +239,6 @@
       GQL
     end
 
-    before do
-      allow(::Gitlab).to receive(:com_except_jh?).and_return(on_com)
-      container_repository.update_column(:created_at, created_at)
-    end
-
     it 'returns the size' do
       stub_container_registry_gitlab_api_support(supported: true) do |client|
         stub_container_registry_gitlab_api_repository_details(client, path: container_repository.path, size_bytes: 12345)
@@ -275,26 +268,6 @@
         expect(size_response).to eq(nil)
       end
     end
-
-    context 'not on .com' do
-      let(:on_com) { false }
-
-      it 'returns nil' do
-        subject
-
-        expect(size_response).to eq(nil)
-      end
-    end
-
-    context 'with an older container repository' do
-      let(:created_at) { ::ContainerRepository::MIGRATION_PHASE_1_STARTED_AT - 3.months }
-
-      it 'returns nil' do
-        subject
-
-        expect(size_response).to eq(nil)
-      end
-    end
   end
 
   context 'with tags with a manifest containing nil fields' do