diff --git a/pkg/accessreview/campaign_service.go b/pkg/accessreview/campaign_service.go
index 0d015f434..6658af7aa 100644
--- a/pkg/accessreview/campaign_service.go
+++ b/pkg/accessreview/campaign_service.go
@@ -69,10 +69,6 @@ func (s *Service) CreateCampaign(
 					return fmt.Errorf("cannot load access source: %w", err)
 				}
 
-				if source.OrganizationID != campaign.OrganizationID {
-					return coredata.ErrResourceNotFound
-				}
-
 				if err := s.upsertCampaignSource(ctx, conn, scope, campaign.ID, source); err != nil {
 					return fmt.Errorf("cannot snapshot scope source: %w", err)
 				}
@@ -252,10 +248,6 @@ func (s *Service) AddCampaignSource(
 				return fmt.Errorf("cannot load access source: %w", err)
 			}
 
-			if source.OrganizationID != campaign.OrganizationID {
-				return coredata.ErrResourceNotFound
-			}
-
 			if err := s.upsertCampaignSource(ctx, conn, scope, campaign.ID, source); err != nil {
 				return fmt.Errorf("cannot snapshot scope source: %w", err)
 			}
@@ -340,10 +332,6 @@ func (s *Service) syncCampaignSources(
 			return fmt.Errorf("cannot load access source: %w", err)
 		}
 
-		if source.OrganizationID != campaign.OrganizationID {
-			return coredata.ErrResourceNotFound
-		}
-
 		if err := s.upsertCampaignSource(ctx, conn, scope, campaign.ID, source); err != nil {
 			return fmt.Errorf("cannot snapshot scope source: %w", err)
 		}
diff --git a/pkg/accessreview/review_engine.go b/pkg/accessreview/review_engine.go
index 3f293cf66..2d5c101ad 100644
--- a/pkg/accessreview/review_engine.go
+++ b/pkg/accessreview/review_engine.go
@@ -67,10 +67,6 @@ func (s *Service) FetchSource(
 				return fmt.Errorf("cannot load access source %s: %w", sourceID, err)
 			}
 
-			if source.OrganizationID != campaign.OrganizationID {
-				return fmt.Errorf("cannot process access source: %s does not belong to campaign organization", sourceID)
-			}
-
 			var err error
 
 			driver, err = s.resolveDriver(ctx, tx, scope, source)