diff --git a/x11/aclocal.m4 b/x11/aclocal.m4
index 2d599a5a..6ab0e8f2 100644
--- a/x11/aclocal.m4
+++ b/x11/aclocal.m4
@@ -10,7 +10,6 @@ dnl MH_SHARED_LIBRARY
 dnl MH_HOWTO_DYN_LINK
 dnl MH_CHECK_CC_O
 dnl MH_SHLPST
-dnl MH_CHECK_MAX_SIGNALS
 
 dnl ---------------------------------------------------------------------------
 dnl Set up the correct X header file location
@@ -552,30 +551,3 @@ esac
 AC_SUBST(SHLPST)
 AC_MSG_RESULT($SHLPST)
 ])
-
-dnl ---------------------------------------------------------------------------
-dnl Determine the system limit for number of signals
-dnl ---------------------------------------------------------------------------
-AC_DEFUN([MH_CHECK_MAX_SIGNALS],
-[
-save_CPPFLAGS="$CPPFLAGS"
-CPPFLAGS="$CPPFLAGS $SYS_DEFS"
-AC_MSG_CHECKING(for maximum signal specifier:)
-AC_CACHE_VAL(mh_cv_max_signals,
-mh_found="no"
-for mh_sigs in $1; do
-	AC_TRY_COMPILE([#include <signal.h>],
-[return $mh_sigs;],
-  mh_found="yes"; mh_cv_max_signals="$mh_sigs" )
-	if test "$mh_found" = "yes"; then
-		break;
-	fi
-done)
-CPPFLAGS="$save_CPPFLAGS"
-if test "$mh_found" = "no"; then
-	AC_MSG_ERROR(Cannot find a system limit for number of signals. PDCurses cannot be configured on this machine.)
-else
-	AC_DEFINE_UNQUOTED(PDC_MAX_SIGNALS,$mh_cv_max_signals)
-	AC_MSG_RESULT($mh_cv_max_signals)
-fi
-])dnl
diff --git a/x11/config.h.in b/x11/config.h.in
index 90aca6bc..97ee54f1 100644
--- a/x11/config.h.in
+++ b/x11/config.h.in
@@ -24,9 +24,6 @@
 /* Define if you have the <xpm.h> header file */
 #undef HAVE_XPM_H
 
-/* Define as the system defined limit for number of signals */
-#undef PDC_MAX_SIGNALS
-
 /* Define if you want to use neXtaw library */
 #undef USE_NEXTAW
 
diff --git a/x11/configure b/x11/configure
index f8bc22a7..547ea7cd 100755
--- a/x11/configure
+++ b/x11/configure
@@ -3116,51 +3116,6 @@ case "$target" in
 esac
 
 
-
-save_CPPFLAGS="$CPPFLAGS"
-CPPFLAGS="$CPPFLAGS $SYS_DEFS"
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for maximum signal specifier:" >&5
-$as_echo_n "checking for maximum signal specifier:... " >&6; }
-if ${mh_cv_max_signals+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  mh_found="no"
-for mh_sigs in NSIG __sys_nsig; do
-
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <signal.h>
-int
-main ()
-{
-return $mh_sigs;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  mh_found="yes"; mh_cv_max_signals="$mh_sigs"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-	if test "$mh_found" = "yes"; then
-		break;
-	fi
-done
-fi
-
-CPPFLAGS="$save_CPPFLAGS"
-if test "$mh_found" = "no"; then
-	as_fn_error $? "Cannot find a system limit for number of signals. PDCurses cannot be configured on this machine." "$LINENO" 5
-else
-	cat >>confdefs.h <<_ACEOF
-#define PDC_MAX_SIGNALS $mh_cv_max_signals
-_ACEOF
-
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $mh_cv_max_signals" >&5
-$as_echo "$mh_cv_max_signals" >&6; }
-fi
-
-
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
@@ -3379,6 +3334,7 @@ fi
 
 
 
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -4556,7 +4512,7 @@ if test "$DYN_COMP" = ""; then
 $as_echo_n "checking compiler flags for a dynamic object... " >&6; }
 
 cat > conftest.$ac_ext <<EOF
-#line 4559 "configure"
+#line 4515 "configure"
 int a=0
 EOF
 
@@ -4595,7 +4551,7 @@ $as_echo "none of $mh_cv_flags supported" >&6; }
 
 mh_compile='${CC-cc} -c $DYN_COMP conftest.$ac_ext 1>&5'
 cat > conftest.$ac_ext <<EOF
-#line 4598 "configure"
+#line 4554 "configure"
 int foo()
 {
 return(0);
diff --git a/x11/configure.ac b/x11/configure.ac
index 2bbf8aba..554d7a44 100644
--- a/x11/configure.ac
+++ b/x11/configure.ac
@@ -31,8 +31,6 @@ case "$target" in
 esac
 AC_SUBST(SYS_DEFS)
 
-MH_CHECK_MAX_SIGNALS(NSIG __sys_nsig)
-
 dnl Check for other programs.
 AC_PROG_RANLIB
 AC_PROG_INSTALL