diff --git a/src/cmd/8g/ggen.c b/src/cmd/8g/ggen.c
index a095be36e9..7c986cc645 100644
--- a/src/cmd/8g/ggen.c
+++ b/src/cmd/8g/ggen.c
@@ -210,7 +210,6 @@ clearfat(Node *nl)
 void
 ginscall(Node *f, int proc)
 {
-	int32 arg;
 	Prog *p;
 	Node reg, r1, con;