diff --git a/sys/fs/procfs/procfs_ctl.c b/sys/fs/procfs/procfs_ctl.c
index eacf32abbd8..14e3d0a7ba5 100644
--- a/sys/fs/procfs/procfs_ctl.c
+++ b/sys/fs/procfs/procfs_ctl.c
@@ -52,10 +52,6 @@
 
 #include <vm/vm.h>
 
-#ifndef FIX_SSTEP
-#define FIX_SSTEP(p)
-#endif
-
 /*
  * True iff process (p) is in trace wait state
  * relative to process (curp)