diff --git a/sys/src/cmd/cpp/test/edges.expected b/sys/src/cmd/cpp/test/edges.expected
index 96b34020d..2d78ab0f3 100644
--- a/sys/src/cmd/cpp/test/edges.expected
+++ b/sys/src/cmd/cpp/test/edges.expected
@@ -1,4 +1,3 @@
-#line 1 "/sys/src/cmd/cpp/test/edges.out"
 #line 1 "/sys/src/cmd/cpp/test/edges.in"