diff --git a/src/process/system.c b/src/process/system.c
index 4232bef0..f5b7b492 100644
--- a/src/process/system.c
+++ b/src/process/system.c
@@ -7,12 +7,6 @@
 #include "pthread_impl.h"
 #include "libc.h"
 
-static void dummy_0()
-{
-}
-weak_alias(dummy_0, __acquire_ptc);
-weak_alias(dummy_0, __release_ptc);
-
 extern char **__environ;
 
 int system(const char *cmd)