diff --git a/include/os/osThread.h b/include/os/osThread.h
index ecb085cd06..79834dc9a5 100644
--- a/include/os/osThread.h
+++ b/include/os/osThread.h
@@ -21,7 +21,6 @@ extern "C" {
 #endif
 
 #include <pthread.h>
-#include <semaphore.h>
 
 #ifdef __cplusplus
 }