diff --git a/backend/open_webui/routers/functions.py b/backend/open_webui/routers/functions.py
index be3fe3edf1..212a419500 100644
--- a/backend/open_webui/routers/functions.py
+++ b/backend/open_webui/routers/functions.py
@@ -23,6 +23,7 @@ from open_webui.models.functions import (
 )
 from open_webui.utils.auth import get_admin_user, get_verified_user
 from open_webui.utils.plugin import (
+    get_function_contents_cache,
     get_functions_cache,
     get_function_module_from_cache,
     load_function_module_by_id,
@@ -440,6 +441,8 @@ async def delete_function_by_id(
     if result:
         FUNCTIONS = get_functions_cache(request)
         FUNCTIONS.pop(id, None)
+        FUNCTION_CONTENTS = get_function_contents_cache(request)
+        FUNCTION_CONTENTS.pop(id, None)
         await publish_event(
             request,
             EVENTS.FUNCTION_DELETED,
diff --git a/backend/open_webui/routers/tools.py b/backend/open_webui/routers/tools.py
index 86860237aa..a814eb30f3 100644
--- a/backend/open_webui/routers/tools.py
+++ b/backend/open_webui/routers/tools.py
@@ -32,6 +32,7 @@ from open_webui.utils.access_control import (
 )
 from open_webui.utils.auth import get_admin_user, get_verified_user
 from open_webui.utils.plugin import (
+    get_tool_contents_cache,
     get_tools_cache,
     get_tool_module_from_cache,
     load_tool_module_by_id,
@@ -681,6 +682,8 @@ async def delete_tools_by_id(
     if result:
         TOOLS = get_tools_cache(request)
         TOOLS.pop(id, None)
+        TOOL_CONTENTS = get_tool_contents_cache(request)
+        TOOL_CONTENTS.pop(id, None)
         await publish_event(
             request,
             EVENTS.TOOL_DELETED,