diff --git a/video/out/vo.h b/video/out/vo.h
index 3514b6df5c..57a2f39b8f 100644
--- a/video/out/vo.h
+++ b/video/out/vo.h
@@ -65,8 +65,7 @@ enum mp_voctrl {
     VOCTRL_RESUME,
 
     VOCTRL_SET_PANSCAN,
-    VOCTRL_SET_EQUALIZER,               // struct voctrl_set_equalizer_args*
-    VOCTRL_GET_EQUALIZER,               // struct voctrl_get_equalizer_args*
+    VOCTRL_SET_EQUALIZER,
 
     /* private to vo_gpu */
     VOCTRL_LOAD_HWDEC_API,
@@ -129,18 +128,6 @@ enum mp_voctrl {
     VOCTRL_EXTERNAL_RESIZE,
 };
 
-// VOCTRL_SET_EQUALIZER
-struct voctrl_set_equalizer_args {
-    const char *name;
-    int value;
-};
-
-// VOCTRL_GET_EQUALIZER
-struct voctrl_get_equalizer_args {
-    const char *name;
-    int *valueptr;
-};
-
 // VOCTRL_GET_WIN_STATE
 #define VO_WIN_STATE_MINIMIZED 1