diff --git a/src/buffer.c b/src/buffer.c
index 2d64bca..a3cd6be 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -315,7 +315,7 @@
 {
 #ifdef FEAT_AUTOCMD
     int		is_curbuf;
-    int		nwindows = buf->b_nwindows;
+    int		nwindows;
 #endif
     int		unload_buf = (action != 0);
     int		del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE);