diff --git a/libc/intrin/nopl.h b/libc/intrin/nopl.h
index 85312506b..9c6ab10b5 100644
--- a/libc/intrin/nopl.h
+++ b/libc/intrin/nopl.h
@@ -47,7 +47,7 @@
                  : "X"(FUNC), "X"(IMAGE_BASE_VIRTUAL)                          \
                  : "rax", "rdi", "rsi", "rdx", "rcx", "r8", "r9", "r10",       \
                    "r11", "memory", "cc");                                     \
-    0;                                                                         \
+    (void)0;                                                                   \
   })
 
 #define _NOPL1(SECTION, FUNC, ARG)                                             \
@@ -64,7 +64,7 @@
                  : "X"(FUNC), "X"(IMAGE_BASE_VIRTUAL)                          \
                  : "rax", "rsi", "rdx", "rcx", "r8", "r9", "r10", "r11",       \
                    "memory", "cc");                                            \
-    0;                                                                         \
+    (void)0;                                                                   \
   })
 
 #endif /* !ASSEMBLER && !LINKER && GNUC && !CHIBICC && !LLVM && !ANSI */
diff --git a/libc/time/localtime.c b/libc/time/localtime.c
index ee06baea0..fbfab6fae 100644
--- a/libc/time/localtime.c
+++ b/libc/time/localtime.c
@@ -2,8 +2,8 @@
 │vi: set et ft=c ts=8 tw=8 fenc=utf-8                                       :vi│
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #define LOCALTIME_IMPLEMENTATION
-#include "libc/intrin/bits.h"
 #include "libc/calls/calls.h"
+#include "libc/intrin/bits.h"
 #include "libc/intrin/nopl.h"
 #include "libc/intrin/pthread.h"
 #include "libc/intrin/spinlock.h"
@@ -1417,8 +1417,7 @@ localtime_tzset_unlocked(void)
 void
 tzset(void)
 {
-	if (localtime_lock() != 0)
-		return;
+	localtime_lock();
 	localtime_tzset_unlocked();
 	localtime_unlock();
 }
@@ -1432,8 +1431,7 @@ static void
 localtime_gmtcheck(void)
 {
 	static bool gmt_is_set;
-	if (localtime_lock() != 0)
-		return;
+	localtime_lock();
 	if (! gmt_is_set) {
 		gmtptr = malloc(sizeof *gmtptr);
 		__cxa_atexit(FreeGmt, gmtptr, 0);
@@ -1545,11 +1543,7 @@ localsub(struct state const *sp, time_t const *timep, int_fast32_t setname,
 static struct tm *
 localtime_tzset(time_t const *timep, struct tm *tmp, bool setname)
 {
-	int err = localtime_lock();
-	if (err) {
-		errno = err;
-		return NULL;
-	}
+	localtime_lock();
 	if (setname || !lcl_is_set)
 		localtime_tzset_unlocked();
 	tmp = localsub(lclptr, timep, setname, tmp);
@@ -2160,11 +2154,7 @@ time_t
 mktime(struct tm *tmp)
 {
 	time_t t;
-	int err = localtime_lock();
-	if (err) {
-		errno = err;
-		return -1;
-	}
+	localtime_lock();
 	localtime_tzset_unlocked();
 	t = mktime_tzname(lclptr, tmp, true);
 	localtime_unlock();