diff --git a/source/blender/compositor/intern/COM_WorkScheduler.h b/source/blender/compositor/intern/COM_WorkScheduler.h
index 2424d1bdb72..1911100ab94 100644
--- a/source/blender/compositor/intern/COM_WorkScheduler.h
+++ b/source/blender/compositor/intern/COM_WorkScheduler.h
@@ -32,11 +32,6 @@
 class WorkScheduler {
 
 #if COM_CURRENT_THREADING_MODEL == COM_TM_QUEUE
-  /**
-   * \brief are we being stopped.
-   */
-  static bool isStopping();
-
   /**
    * \brief main thread loop for cpudevices
    * inside this loop new work is queried and being executed