diff --git a/mach/pdp/Action b/mach/pdp/Action
index 6b6984360..79d58b210 100644
--- a/mach/pdp/Action
+++ b/mach/pdp/Action
@@ -12,26 +12,20 @@ system pdp*
 dir int
 end
 name "PDP 11 C libraries"
-system pdp*
 dir libcc
 end
 name "PDP 11 EM library"
-system pdp*
 dir libem
 end
 name "PDP 11 systemcall library"
-system pdp*
 dir libsys
 end
 name "PDP 11 Pascal library"
-system pdp*
 dir libpc
 end
 name "PDP 11 Basic library"
-system pdp*
 dir libbc
 end
 name "PDP 11 Occam library"
-system pdp*
 dir liboc
 end