diff --git a/.gitmodules b/.gitmodules
index 0ead18186..41ed87300 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -14,10 +14,6 @@
   path = extensions-builtin/stable-diffusion-webui-rembg
   url = https://github.com/vladmandic/sd-extension-rembg
   ignore = dirty
-[submodule "extensions-builtin/sd-webui-agent-scheduler"]
-  path = extensions-builtin/sd-webui-agent-scheduler
-  url = https://github.com/ArtVentureX/sd-webui-agent-scheduler
-  ignore = dirty
 [submodule "extensions-builtin/sdnext-modernui"]
   path = extensions-builtin/sdnext-modernui
   url = https://github.com/BinaryQuantumSoul/sdnext-modernui
diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc6fe5ecf..d5613d2b1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,14 @@
 # Change Log for SD.Next
 
-## Update for 2025-09-17
+## Update for 2025-09-18
 
 - **Models**
   - [WAN 2.2 14B VACE](https://huggingface.co/alibaba-pai/Wan2.2-VACE-Fun-A14B)  
     available for *text-to-image* and *text-to-video* and *image-to-video* workflows  
+- **Extensions**
+  - **agent-scheduler** was a high-value built-in extension, but it has not been maintained for 1.5 years  
+    it also does not work with control and video tabs which are the core of sdnext nowadays  
+    so it has been removed from built-in extensions: manual installation is still possible  
 - **Offloading**
   - improve offloading for pipelines with multiple stages such as *wan-2.2-14b*  
   - add timers to measure onload/offload times during generate