diff --git a/.changeset/young-dodos-bake.md b/.changeset/young-dodos-bake.md
new file mode 100644
index 0000000000..93689ad2c8
--- /dev/null
+++ b/.changeset/young-dodos-bake.md
@@ -0,0 +1,5 @@
+---
+'@backstage/core-plugin-api': patch
+---
+
+Remove deprecated types `ApiRefType` and `ApiRefsToTypes`
diff --git a/packages/core-plugin-api/api-report.md b/packages/core-plugin-api/api-report.md
index e142c1ab96..0cf97a4c13 100644
--- a/packages/core-plugin-api/api-report.md
+++ b/packages/core-plugin-api/api-report.md
@@ -144,18 +144,6 @@ export type ApiRefConfig = {
   description?: string;
 };
 
-// @public @deprecated
-export type ApiRefsToTypes<
-  T extends {
-    [key in string]: ApiRef<unknown>;
-  },
-> = {
-  [key in keyof T]: ApiRefType<T[key]>;
-};
-
-// @public @deprecated
-export type ApiRefType<T> = T extends ApiRef<infer U> ? U : never;
-
 // @public
 export type AppComponents = {
   NotFoundErrorPage: ComponentType<{}>;
diff --git a/packages/core-plugin-api/src/apis/system/types.ts b/packages/core-plugin-api/src/apis/system/types.ts
index a449e83450..96614c320c 100644
--- a/packages/core-plugin-api/src/apis/system/types.ts
+++ b/packages/core-plugin-api/src/apis/system/types.ts
@@ -31,33 +31,13 @@ export type ApiRef<T> = {
  */
 export type AnyApiRef = ApiRef<unknown>;
 
-/**
- * Transforms ApiRef type into its inner API type.
- *
- * @public
- * @deprecated unused type.
- */
-export type ApiRefType<T> = T extends ApiRef<infer U> ? U : never;
-
 /**
  * Wraps a type with API properties into a type holding their respective {@link ApiRef}s.
- * Reverse type transform of {@link ApiRefsToTypes}.
  *
  * @public
  */
 export type TypesToApiRefs<T> = { [key in keyof T]: ApiRef<T[key]> };
 
-/**
- * Unwraps type with {@link ApiRef} properties into a type holding their respective API types.
- * Reverse type transform of {@link TypesToApiRefs}.
- *
- * @public
- * @deprecated unused type.
- */
-export type ApiRefsToTypes<T extends { [key in string]: ApiRef<unknown> }> = {
-  [key in keyof T]: ApiRefType<T[key]>;
-};
-
 /**
  * Provides lookup of APIs through their {@link ApiRef}s.
  *