diff --git a/.gitmodules b/.gitmodules
index ec5253f1..8f29281c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,9 +4,6 @@
 [submodule "third_party/zlib/zlib"]
 	path = third_party/zlib/zlib
 	url = https://chromium.googlesource.com/chromium/src/third_party/zlib
-[submodule "zlib"]
-	path = zlib
-	url = https://chromium.googlesource.com/chromium/src/third_party/zlib
 [submodule "third_party/linux-syscall-support"]
 	path = third_party/linux-syscall-support
 	url = https://chromium.googlesource.com/linux-syscall-support.git
diff --git a/zlib b/zlib
deleted file mode 160000
index 923f5eb4..00000000
--- a/zlib
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 923f5eb4bfa403d0f14d9cbca2cdf7fa7416ee67