diff --git a/testdata/parser/negative/6.pdl b/testdata/parser/negative/6.pdl
deleted file mode 100644
index e14397e74e2eb9a777d743bb0ab71782c3b8cfaa..0000000000000000000000000000000000000000
--- a/testdata/parser/negative/6.pdl
+++ /dev/null
@@ -1,8 +0,0 @@
-#version 100
-
-import std.reo;
-
-// duplicate formal parameters
-composite main(in a, out a) {
-	new sync_component(a, a);
-}