diff --git a/servers/pm/utility.c b/servers/pm/utility.c
index b76ab396c..003885363 100644
--- a/servers/pm/utility.c
+++ b/servers/pm/utility.c
@@ -65,7 +65,6 @@ PUBLIC pid_t get_free_pid()
 PUBLIC int no_sys()
 {
 /* A system call number not implemented by PM has been requested. */
-  printf("PM: in no_sys, call nr %d from %d\n", call_nr, who_e);
   return(ENOSYS);
 }
 
diff --git a/servers/vfs/main.c b/servers/vfs/main.c
index 789b19563..79a3d5773 100644
--- a/servers/vfs/main.c
+++ b/servers/vfs/main.c
@@ -171,8 +171,6 @@ PUBLIC int main(void)
 		if (call_nr < 0 || call_nr >= NCALLS) { 
 			error = ENOSYS;
 			/* Not supposed to happen. */
-			printf("VFS: illegal %d system call by %d\n",
-				call_nr, who_e);
 		} else if (fp->fp_pid == PID_FREE) {
 			error = ENOSYS;
 			printf(
diff --git a/servers/vfs/utility.c b/servers/vfs/utility.c
index 0c99b8ef0..eb91d011e 100644
--- a/servers/vfs/utility.c
+++ b/servers/vfs/utility.c
@@ -79,7 +79,6 @@ int flag;			/* M3 means path may be in message */
 PUBLIC int no_sys()
 {
 /* Somebody has used an illegal system call number */
-  printf("VFS no_sys: call %d from %d (pid %d)\n", call_nr, who_e, who_p);
   return(ENOSYS);
 }