diff --git a/src/window.c b/src/window.c
index d7d45e0..54ab200 100644
--- a/src/window.c
+++ b/src/window.c
@@ -53,10 +53,10 @@
 static void frame_append __ARGS((frame_T *after, frame_T *frp));
 static void frame_insert __ARGS((frame_T *before, frame_T *frp));
 static void frame_remove __ARGS((frame_T *frp));
-#ifdef FEAT_VERTSPLIT
+# ifdef FEAT_VERTSPLIT
 static void win_goto_ver __ARGS((int up, long count));
 static void win_goto_hor __ARGS((int left, long count));
-#endif
+# endif
 static void frame_add_height __ARGS((frame_T *frp, int n));
 static void last_status_rec __ARGS((frame_T *fr, int statusline));
 
@@ -6928,6 +6928,7 @@
 }
 #endif
 
+#ifdef FEAT_WINDOWS
 /*
  * Return TRUE if "topfrp" and its children are at the right height.
  */
@@ -6948,6 +6949,7 @@
 
     return TRUE;
 }
+#endif
 
 #ifdef FEAT_VERTSPLIT
 /*