diff --git a/.changeset/pink-onions-ring.md b/.changeset/pink-onions-ring.md
new file mode 100644
index 0000000000..2b81ad4b43
--- /dev/null
+++ b/.changeset/pink-onions-ring.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog': minor
+---
+
+**BREAKING** Completely removed the `EntitySystemDiagramCard` component which was deprecated in a previous release. Any remaining references to this component are now broken and should be replaced with `EntityCatalogGraphCard`, which can be imported from package `@backstage/plugin-catalog-graph`.
diff --git a/docs/plugins/integrating-plugin-into-software-catalog.md b/docs/plugins/integrating-plugin-into-software-catalog.md
index 71430e25a0..97efa56ac3 100644
--- a/docs/plugins/integrating-plugin-into-software-catalog.md
+++ b/docs/plugins/integrating-plugin-into-software-catalog.md
@@ -107,7 +107,7 @@ const systemPage = (
       </Grid>
     </EntityLayout.Route>
     <EntityLayout.Route path="/diagram" title="Diagram">
-      <EntitySystemDiagramCard />
+      <EntityCatalogGraphCard variant="gridItem" height={400} />
     </EntityLayout.Route>
 
     {/* Adding a new tab to the system view */}
diff --git a/plugins/catalog/api-report.md b/plugins/catalog/api-report.md
index e7825127a6..fe20c1548b 100644
--- a/plugins/catalog/api-report.md
+++ b/plugins/catalog/api-report.md
@@ -388,12 +388,6 @@ export const EntitySwitch: {
   }) => null;
 };
 
-// Warning: (ae-forgotten-export) The symbol "SystemDiagramCard" needs to be exported by the entry point index.d.ts
-// Warning: (ae-missing-release-tag) "EntitySystemDiagramCard" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
-// @public @deprecated (undocumented)
-export const EntitySystemDiagramCard: SystemDiagramCard;
-
 // Warning: (ae-missing-release-tag) "FilterContainer" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
 //
 // @public (undocumented)
diff --git a/plugins/catalog/src/index.ts b/plugins/catalog/src/index.ts
index 57dd911b2d..abe34c29b9 100644
--- a/plugins/catalog/src/index.ts
+++ b/plugins/catalog/src/index.ts
@@ -49,7 +49,6 @@ export {
   EntityHasSubcomponentsCard,
   EntityHasSystemsCard,
   EntityLinksCard,
-  EntitySystemDiagramCard,
   RelatedEntitiesCard,
 } from './plugin';
 
diff --git a/plugins/catalog/src/plugin.ts b/plugins/catalog/src/plugin.ts
index 5a94cd2a09..2e4ebe9570 100644
--- a/plugins/catalog/src/plugin.ts
+++ b/plugins/catalog/src/plugin.ts
@@ -177,20 +177,6 @@ export const EntityDependsOnResourcesCard = catalogPlugin.provide(
   }),
 );
 
-/**
- * @deprecated This component is replaced by EntityCatalogGraphCard which is imported from `@backstage/plugin-catalog-graph`. This component will be removed in an
- * upcoming release
- */
-export const EntitySystemDiagramCard = catalogPlugin.provide(
-  createComponentExtension({
-    name: 'EntitySystemDiagramCard',
-    component: {
-      lazy: () =>
-        import('./components/SystemDiagramCard').then(m => m.SystemDiagramCard),
-    },
-  }),
-);
-
 export const RelatedEntitiesCard = catalogPlugin.provide(
   createComponentExtension({
     name: 'RelatedEntitiesCard',