diff --git a/webrtc/base/win32.h b/webrtc/base/win32.h
index 22a17c518b..ad8a43d453 100644
--- a/webrtc/base/win32.h
+++ b/webrtc/base/win32.h
@@ -122,8 +122,6 @@ inline bool IsCurrentProcessLowIntegrity() {
       level < SECURITY_MANDATORY_MEDIUM_RID);
 }
 
-bool AdjustCurrentProcessPrivilege(const TCHAR* privilege, bool to_enable);
-
 }  // namespace rtc
 
 #endif  // WEBRTC_WIN