diff --git a/.changeset/rare-falcons-pump.md b/.changeset/rare-falcons-pump.md
new file mode 100644
index 0000000000..78b0f48f8c
--- /dev/null
+++ b/.changeset/rare-falcons-pump.md
@@ -0,0 +1,8 @@
+---
+'@backstage/plugin-catalog-backend': patch
+---
+
+Deprecated two processors as they have been moved to the Community Plugins repo with their own backend modules:
+
+- `AnnotateScmSlugEntityProcessor`: Use `@backstage-community/plugin-catalog-backend-module-annotate-scm-slug` instead
+- `CodeOwnersProcessor`: Use `@backstage-community/plugin-catalog-backend-module-codeowners` instead
diff --git a/plugins/catalog-backend/report.api.md b/plugins/catalog-backend/report.api.md
index 9fc3041d6f..610548aec6 100644
--- a/plugins/catalog-backend/report.api.md
+++ b/plugins/catalog-backend/report.api.md
@@ -31,7 +31,7 @@ export class AnnotateLocationEntityProcessor implements CatalogProcessor {
   ): Promise<Entity>;
 }
 
-// @public (undocumented)
+// @public @deprecated (undocumented)
 export class AnnotateScmSlugEntityProcessor implements CatalogProcessor {
   constructor(opts: {
     scmIntegrationRegistry: ScmIntegrationRegistry;
@@ -76,7 +76,7 @@ export const CATALOG_ERRORS_TOPIC = 'experimental.catalog.errors';
 const catalogPlugin: BackendFeature;
 export default catalogPlugin;
 
-// @public (undocumented)
+// @public @deprecated (undocumented)
 export class CodeOwnersProcessor implements CatalogProcessor {
   constructor(options: {
     integrations: ScmIntegrationRegistry;
diff --git a/plugins/catalog-backend/src/processors/AnnotateScmSlugEntityProcessor.ts b/plugins/catalog-backend/src/processors/AnnotateScmSlugEntityProcessor.ts
index a000f2f422..2cf9fcb24d 100644
--- a/plugins/catalog-backend/src/processors/AnnotateScmSlugEntityProcessor.ts
+++ b/plugins/catalog-backend/src/processors/AnnotateScmSlugEntityProcessor.ts
@@ -29,7 +29,10 @@ const GITHUB_ACTIONS_ANNOTATION = 'github.com/project-slug';
 const GITLAB_ACTIONS_ANNOTATION = 'gitlab.com/project-slug';
 const AZURE_ACTIONS_ANNOTATION = 'dev.azure.com/project-repo';
 
-/** @public */
+/**
+ * @public
+ * @deprecated Use `@backstage-community/plugin-catalog-backend-module-annotate-scm-slug` instead, this will be removed in a future release
+ */
 export class AnnotateScmSlugEntityProcessor implements CatalogProcessor {
   private readonly opts: {
     scmIntegrationRegistry: ScmIntegrationRegistry;
diff --git a/plugins/catalog-backend/src/processors/CodeOwnersProcessor.ts b/plugins/catalog-backend/src/processors/CodeOwnersProcessor.ts
index f6dc27101c..24dc2b9b54 100644
--- a/plugins/catalog-backend/src/processors/CodeOwnersProcessor.ts
+++ b/plugins/catalog-backend/src/processors/CodeOwnersProcessor.ts
@@ -28,7 +28,10 @@ import { LoggerService, UrlReaderService } from '@backstage/backend-plugin-api';
 const ALLOWED_KINDS = ['API', 'Component', 'Domain', 'Resource', 'System'];
 const ALLOWED_LOCATION_TYPES = ['url'];
 
-/** @public */
+/**
+ * @public
+ * @deprecated Use `@backstage-community/plugin-catalog-backend-module-codeowners` instead, this will be removed in a future release
+ */
 export class CodeOwnersProcessor implements CatalogProcessor {
   private readonly integrations: ScmIntegrationRegistry;
   private readonly logger: LoggerService;