diff --git a/src/configure.in b/src/configure.in
index 5423393d26db8bc0bbf06774a394e02717ba7856..8bbde47d8e22337b574e05818b5d6d87e186b05f 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -4527,7 +4527,6 @@ AC_CHECK_FUNCS( \
  ptrace \
  setrlimit \
  setresuid \
- signal \
  sigaction \
  sigvec \
  strcasecmp \
diff --git a/src/main.c b/src/main.c
index 5dae998f2826837b94586485b45a1fc2eb168439..e1ce19ed78ee6d11cabadc86e79311ca0e0df7ed 100644
--- a/src/main.c
+++ b/src/main.c
@@ -297,7 +297,6 @@ int main(int argc, char **argv)
   char *p;
 
 #ifdef PIKE_EXTRA_DEBUG
-#ifdef HAVE_SIGNAL
   if (sizeof(void *) == 8) {
     /* 64-bit Solaris 10 in Xenofarm fails with SIGPIPE.
      * Force a core dump.
@@ -305,7 +304,6 @@ int main(int argc, char **argv)
     signal(SIGPIPE, abort);
   }
 #endif
-#endif
 
 #ifdef HAVE_MALLOPT
   TRACE((stderr, "Init malloc...\n"));
diff --git a/src/modules/HTTPLoop/accept_and_parse.h b/src/modules/HTTPLoop/accept_and_parse.h
index 62ff69cace250146de9cad10d842212fdff07662..39f817c0f469ff4eccd58c732be87f9cde1611af 100644
--- a/src/modules/HTTPLoop/accept_and_parse.h
+++ b/src/modules/HTTPLoop/accept_and_parse.h
@@ -8,9 +8,7 @@
 #define CACHE_HTABLE_SIZE 40951
 
 #if !defined(__NT__) && !defined(__WIN32__)
-#ifdef HAVE_SIGNAL
-# define HAVE_TIMEOUTS
-#endif
+#define HAVE_TIMEOUTS
 #endif
 
 struct res
diff --git a/src/modules/HTTPLoop/configure.in b/src/modules/HTTPLoop/configure.in
index 29c0c1a586557738e70baa669c3509255804b8ed..7340a5f34567f799a27c557655a1b919923dda9d 100644
--- a/src/modules/HTTPLoop/configure.in
+++ b/src/modules/HTTPLoop/configure.in
@@ -18,7 +18,7 @@ if test "$ac_cv_header_winsock2_h" = "yes"; then :; else
   AC_CHECK_HEADERS(winsock.h)
 fi
 
-AC_CHECK_FUNCS(poll gmtime_r gmtime sendfile signal inet_ntoa inet_ntop)
+AC_CHECK_FUNCS(poll gmtime_r gmtime sendfile inet_ntoa inet_ntop)
 
 AC_SUBST(RANLIB)
 
diff --git a/src/post_modules/GTK1/configure.in b/src/post_modules/GTK1/configure.in
index 21e0d5e8259842310b6232c781be6d55ccebf7c0..2d55db167f5abdedea35a515976115eb06fed55d 100644
--- a/src/post_modules/GTK1/configure.in
+++ b/src/post_modules/GTK1/configure.in
@@ -274,7 +274,7 @@ AC_HEADER_STDC
 AC_CHECK_HEADERS( signal.h netinet/in.h arpa/inet.h sys/types.h sys/stat.h \
 	fcntl.h)
 
-AC_CHECK_FUNCS( gethrtime signal sigaction )
+AC_CHECK_FUNCS( gethrtime sigaction )
 
 if test "x$with_GTK" = "xyes" ; then
   
diff --git a/src/post_modules/GTK2/configure.in b/src/post_modules/GTK2/configure.in
index 7818cff5ffe320d770b0e97aef57cda247712d00..218fe520be234b122c1a7b65c9befd05167b3642 100644
--- a/src/post_modules/GTK2/configure.in
+++ b/src/post_modules/GTK2/configure.in
@@ -19,7 +19,7 @@ AC_HEADER_STDC
 # Must be before AC_CHECK_FUNCS for PIKE_FUNCS_NEED_DECLS to work.
 AC_CHECK_HEADERS( signal.h netinet/in.h arpa/inet.h sys/types.h sys/stat.h fcntl.h )
 
-AC_CHECK_FUNCS( gethrtime signal sigaction )
+AC_CHECK_FUNCS( gethrtime sigaction )
 
 AC_PATH_PROG(PKG_CONFIG,${ac_tool_prefix}pkg-config,no)
 
diff --git a/src/signal_handler.c b/src/signal_handler.c
index b65d31cbcf1221db421ec8f4f56e47c7e1246aff..b7fc5020070d12afe6f10a8e80f8ef197f079b31 100644
--- a/src/signal_handler.c
+++ b/src/signal_handler.c
@@ -3881,7 +3881,6 @@ void f_create_process(INT32 args)
       {
 	int i;
 	/* Restore the signals to the defaults. */
-#ifdef HAVE_SIGNAL
 #ifdef _sys_nsig
         for(i=0; i<_sys_nsig; i++)
           signal(i, SIG_DFL);
@@ -3889,7 +3888,6 @@ void f_create_process(INT32 args)
         for(i=0; i<NSIG; i++)
           signal(i, SIG_DFL);
 #endif /* _sys_nsig */
-#endif /* HAVE_SIGNAL */
       }
 
       if(mchroot)