1 files changed, 1 insertions, 1 deletions
diff --git a/node.h b/node.h
index de00f3bc5c..88816fa969 100644
--- a/node.h
+++ b/node.h
@@ -363,7 +363,7 @@ typedef struct RNode {
 
 #define NEW_NODE(t,a0,a1,a2) rb_node_newnode((t),(VALUE)(a0),(VALUE)(a1),(VALUE)(a2))
 
-#define NEW_DEFN(i,a,d,p) NEW_NODE(NODE_DEFN,0,i,NEW_SCOPE(a,d))
+#define NEW_DEFN(i,a,d) NEW_NODE(NODE_DEFN,0,i,NEW_SCOPE(a,d))
 #define NEW_DEFS(r,i,a,d) NEW_NODE(NODE_DEFS,r,i,NEW_SCOPE(a,d))
 #define NEW_SCOPE(a,b) NEW_NODE(NODE_SCOPE,local_tbl(),b,a)
 #define NEW_BLOCK(a) NEW_NODE(NODE_BLOCK,a,0,0)