1 files changed, 2 insertions, 2 deletions

diff --git a/src/keyboard.c b/src/keyboard.c
index f46194dd62f..e01e7e17f93 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -4927,7 +4927,7 @@ input_available_signal (signo)
   extern int select_alarmed;
 #endif
 
-#if defined(USG) && !defined(POSIX_SIGNALS)
+#ifdef USG
   /* USG systems forget handlers when they are used;
      must reestablish each time */
   signal (signo, input_available_signal);
@@ -7365,7 +7365,7 @@ interrupt_signal (signalnum)	/* If we don't have an argument, */
   /* Must preserve main program's value of errno.  */
   int old_errno = errno;
 
-#if defined(USG) && !defined(POSIX_SIGNALS)
+#ifdef USG
   if (!read_socket_hook && NILP (Vwindow_system))
     {
       /* USG systems forget handlers when they are used;