diff --git a/lib/rbtree.c b/lib/rbtree.c
index ccada9a..12abb8a 100644
--- a/lib/rbtree.c
+++ b/lib/rbtree.c
@@ -109,18 +109,15 @@
 				}
 			}
 
-			if (parent->rb_right == node)
-			{
-				register struct rb_node *tmp;
+			if (parent->rb_right == node) {
 				__rb_rotate_left(parent, root);
-				tmp = parent;
 				parent = node;
-				node = tmp;
 			}
 
 			rb_set_black(parent);
 			rb_set_red(gparent);
 			__rb_rotate_right(gparent, root);
+			break;
 		} else {
 			{
 				register struct rb_node *uncle = gparent->rb_left;
@@ -134,18 +131,15 @@
 				}
 			}
 
-			if (parent->rb_left == node)
-			{
-				register struct rb_node *tmp;
+			if (parent->rb_left == node) {
 				__rb_rotate_right(parent, root);
-				tmp = parent;
 				parent = node;
-				node = tmp;
 			}
 
 			rb_set_black(parent);
 			rb_set_red(gparent);
 			__rb_rotate_left(gparent, root);
+			break;
 		}
 	}