diff --git a/gdb/darwin-nat.c b/gdb/darwin-nat.c
index 7ba1fbb6775..e4243f67648 100644
--- a/gdb/darwin-nat.c
+++ b/gdb/darwin-nat.c
@@ -2032,7 +2032,7 @@ darwin_nat_target::attach (const char *args, int from_tty)
 
   pid = parse_pid_to_attach (args);
 
-  if (pid == getpid ())		/* Trying to masturbate?  */
+  if (pid == getpid ())
     error (_("I refuse to debug myself!"));
 
   target_announce_attach (from_tty, pid);
diff --git a/gdb/gnu-nat.c b/gdb/gnu-nat.c
index 6cfac08e5ac..a8a4da1c873 100644
--- a/gdb/gnu-nat.c
+++ b/gdb/gnu-nat.c
@@ -2172,7 +2172,7 @@ gnu_nat_target::attach (const char *args, int from_tty)
 
   pid = parse_pid_to_attach (args);
 
-  if (pid == getpid ())		/* Trying to masturbate?  */
+  if (pid == getpid ())
     error (_("I refuse to debug myself!"));
 
   target_announce_attach (from_tty, pid);
diff --git a/gdb/inf-ptrace.c b/gdb/inf-ptrace.c
index 36d6e2aa697..6ef2ea84562 100644
--- a/gdb/inf-ptrace.c
+++ b/gdb/inf-ptrace.c
@@ -141,7 +141,7 @@ inf_ptrace_target::attach (const char *args, int from_tty)
 
   pid_t pid = parse_pid_to_attach (args);
 
-  if (pid == getpid ())		/* Trying to masturbate?  */
+  if (pid == getpid ())
     error (_("I refuse to debug myself!"));
 
   target_unpush_up unpusher;