diff --git a/Libraries/LibC/stdlib.cpp b/Libraries/LibC/stdlib.cpp
index 139f484475..2a97e507da 100644
--- a/Libraries/LibC/stdlib.cpp
+++ b/Libraries/LibC/stdlib.cpp
@@ -208,7 +208,6 @@ void exit(int status)
     fflush(stdout);
     fflush(stderr);
     _exit(status);
-    ASSERT_NOT_REACHED();
 }
 
 static void __atexit_to_cxa_atexit(void* handler)
diff --git a/Libraries/LibC/unistd.h b/Libraries/LibC/unistd.h
index 433ee2f666..82174d6a8e 100644
--- a/Libraries/LibC/unistd.h
+++ b/Libraries/LibC/unistd.h
@@ -72,7 +72,7 @@ int execlp(const char* filename, const char* arg, ...);
 int chroot(const char* path);
 int chroot_with_mount_flags(const char* path, int mount_flags);
 void sync();
-void _exit(int status);
+__attribute__((noreturn)) void _exit(int status);
 pid_t getsid(pid_t);
 pid_t setsid();
 int setpgid(pid_t pid, pid_t pgid);