diff --git a/diff.c b/diff.c
index 4a350e365e..882a9603bc 100644
--- a/diff.c
+++ b/diff.c
@@ -2540,7 +2540,6 @@ static void run_checkdiff(struct diff_filepair *p, struct diff_options *o)
 void diff_setup(struct diff_options *options)
 {
 	memset(options, 0, sizeof(*options));
-	memset(&diff_queued_diff, 0, sizeof(diff_queued_diff));
 
 	options->file = stdout;