diff --git a/packages/backend-plugin-api/src/services/definitions/ActionsRegistryService.ts b/packages/backend-plugin-api/src/services/definitions/ActionsRegistryService.ts
deleted file mode 100644
index 39c62ce731..0000000000
--- a/packages/backend-plugin-api/src/services/definitions/ActionsRegistryService.ts
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Copyright 2025 The Backstage Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-import { z, AnyZodObject } from 'zod/v3';
-import { BasicPermission } from '@backstage/plugin-permission-common';
-import { LoggerService } from './LoggerService';
-import { BackstageCredentials } from './AuthService';
-
-/**
- * @public
- */
-export type ActionsRegistryActionContext<TInputSchema extends AnyZodObject> = {
-  input: z.infer<TInputSchema>;
-  logger: LoggerService;
-  credentials: BackstageCredentials;
-};
-
-/**
- * An example of how to use an action registered in the actions registry.
- *
- * @public
- */
-export type ActionsRegistryActionExample<
-  TInputSchema extends AnyZodObject,
-  TOutputSchema extends AnyZodObject,
-> = {
-  title: string;
-  description?: string;
-  input: z.infer<TInputSchema>;
-  output?: z.infer<TOutputSchema>;
-};
-
-/**
- * @public
- */
-export type ActionsRegistryActionOptions<
-  TInputSchema extends AnyZodObject,
-  TOutputSchema extends AnyZodObject,
-> = {
-  name: string;
-  title: string;
-  description: string;
-  schema: {
-    input: (zod: typeof z) => TInputSchema;
-    output: (zod: typeof z) => TOutputSchema;
-  };
-  examples?: Array<ActionsRegistryActionExample<TInputSchema, TOutputSchema>>;
-  visibilityPermission?: BasicPermission;
-  attributes?: {
-    destructive?: boolean;
-    idempotent?: boolean;
-    readOnly?: boolean;
-  };
-  action: (
-    context: ActionsRegistryActionContext<TInputSchema>,
-  ) => Promise<
-    z.infer<TOutputSchema> extends void
-      ? void
-      : { output: z.infer<TOutputSchema> }
-  >;
-};
-
-/**
- * @public
- */
-export interface ActionsRegistryService {
-  register<
-    TInputSchema extends AnyZodObject,
-    TOutputSchema extends AnyZodObject,
-  >(
-    options: ActionsRegistryActionOptions<TInputSchema, TOutputSchema>,
-  ): void;
-}
diff --git a/packages/backend-plugin-api/src/services/definitions/ActionsService.ts b/packages/backend-plugin-api/src/services/definitions/ActionsService.ts
deleted file mode 100644
index 3afa131915..0000000000
--- a/packages/backend-plugin-api/src/services/definitions/ActionsService.ts
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright 2025 The Backstage Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-import { JsonObject, JsonValue } from '@backstage/types';
-import { JSONSchema7 } from 'json-schema';
-import { BackstageCredentials } from './AuthService';
-
-/**
- * @public
- */
-export type ActionsServiceAction = {
-  id: string;
-  name: string;
-  title: string;
-  description: string;
-  schema: {
-    input: JSONSchema7;
-    output: JSONSchema7;
-  };
-  examples?: Array<{
-    title: string;
-    description?: string;
-    input: JsonObject;
-    output?: JsonObject;
-  }>;
-  attributes: {
-    readOnly: boolean;
-    destructive: boolean;
-    idempotent: boolean;
-  };
-};
-
-/**
- * @public
- */
-export interface ActionsService {
-  list: (opts: {
-    credentials: BackstageCredentials;
-  }) => Promise<{ actions: ActionsServiceAction[] }>;
-  invoke(opts: {
-    id: string;
-    input?: JsonObject;
-    credentials: BackstageCredentials;
-  }): Promise<{ output: JsonValue }>;
-}