diff --git a/third_party/dlmalloc/dlmalloc.c b/third_party/dlmalloc/dlmalloc.c
index 7f9f738f8..8af7dcbff 100644
--- a/third_party/dlmalloc/dlmalloc.c
+++ b/third_party/dlmalloc/dlmalloc.c
@@ -23,7 +23,6 @@
 #include "libc/thread/thread.h"
 #include "libc/thread/tls.h"
 #include "third_party/dlmalloc/vespene.internal.h"
-#include "third_party/nsync/mu.h"
 // clang-format off
 
 #define FOOTERS 0
diff --git a/third_party/dlmalloc/locks.inc b/third_party/dlmalloc/locks.inc
index 15313b7b0..801f72346 100644
--- a/third_party/dlmalloc/locks.inc
+++ b/third_party/dlmalloc/locks.inc
@@ -30,11 +30,7 @@
 
 */
 
-#ifdef TINY
 #define MLOCK_T atomic_uint
-#else
-#define MLOCK_T nsync_mu
-#endif
 
 static int malloc_wipe(MLOCK_T *lk) {
   bzero(lk, sizeof(*lk));
@@ -43,23 +39,15 @@ static int malloc_wipe(MLOCK_T *lk) {
 
 static int malloc_lock(MLOCK_T *lk) {
   if (!__threaded) return 0;
-#ifdef TINY
   while (atomic_exchange_explicit(lk, 1, memory_order_acquire)) {
     pthread_pause_np();
   }
-#else
-  nsync_mu_lock(lk);
-#endif
   return 0;
 }
 
 static int malloc_unlock(MLOCK_T *lk) {
   if (!__threaded) return 0;
-#ifdef TINY
   atomic_store_explicit(lk, 0, memory_order_release);
-#else
-  nsync_mu_unlock(lk);
-#endif
   return 0;
 }
 
diff --git a/tool/cosmocc/package.sh b/tool/cosmocc/package.sh
index 0ce18d5c0..9b1b0bf80 100755
--- a/tool/cosmocc/package.sh
+++ b/tool/cosmocc/package.sh
@@ -30,6 +30,7 @@ make -j8 m=x86_64 \
   o/x86_64/tool/build/fixupobj.com.dbg \
   o/x86_64/tool/build/zipcopy.com.dbg \
   o/x86_64/tool/build/mkdeps.com.dbg \
+  o/x86_64/tool/build/zipobj.com.dbg \
   o/x86_64/tool/build/apelink.com.dbg \
   o/x86_64/tool/build/pecheck.com.dbg \
   o/x86_64/third_party/make/make.com.dbg \
@@ -49,6 +50,7 @@ make -j8 m=aarch64 \
   o/aarch64/tool/build/fixupobj.com.dbg \
   o/aarch64/tool/build/zipcopy.com.dbg \
   o/aarch64/tool/build/mkdeps.com.dbg \
+  o/aarch64/tool/build/zipobj.com.dbg \
   o/aarch64/tool/build/apelink.com.dbg \
   o/aarch64/tool/build/pecheck.com.dbg \
   o/aarch64/third_party/make/make.com.dbg \
@@ -114,7 +116,7 @@ cp -af tool/cosmocc/bin/* "$OUTDIR/bin/"
 cp -f o/x86_64/ape/ape.elf "$OUTDIR/bin/"
 cp -f o/x86_64/ape/ape.macho "$OUTDIR/bin/"
 cp -f o/aarch64/ape/ape.elf "$OUTDIR/bin/ape.aarch64"
-for x in assimilate march-native mktemper fixupobj zipcopy apelink pecheck mkdeps; do
+for x in assimilate march-native mktemper fixupobj zipcopy apelink pecheck mkdeps zipobj; do
   o//tool/build/apelink.com \
     -l o/x86_64/ape/ape.elf \
     -l o/aarch64/ape/ape.elf \