--- Libc/Libc-1158.1.2/sys/sigaction.c
+++ Libc/Libc-583/sys/sigaction.c
@@ -26,9 +26,6 @@
  *	@(#)sigaction.c	1.0
  */
 
-#include <CrashReporterClient.h>
-#include <stdlib.h>
-#include <stdio.h>
 #include <unistd.h>
 #include <signal.h>
 #include <sys/signal.h>
@@ -47,7 +44,6 @@
 	extern void _sigtramp();
 	struct __sigaction sa;
 	struct __sigaction *sap;
-	int ret;
 
 	if (sig <= 0 || sig >= NSIG || sig == SIGKILL || sig == SIGSTOP) {
 	        errno = EINVAL;
@@ -61,17 +57,7 @@
 		sa.sa_flags = nsv->sa_flags;	
 		sap = &sa;
 	}
-	ret = __sigaction(sig, sap, osv);
-#ifdef FEATURE_SIGNAL_RESTRICTION
-	// Note: The "sig != 0" here is to force the compiler to maintain that "sig"
-	// is live, and in a register, after __sigaction so it is visible in the
-	// crashing register state.
-	if (ret == -1 && errno == ENOTSUP && sig != 0) {
-		CRSetCrashLogMessage("sigaction on fatal signals is not supported");
-		__builtin_trap();
-	}
-#endif
-	return ret;
+	return __sigaction(sig, sap, osv);
 }
 
 // XXX