diff --git a/third_party/zlib/google/zip_internal.cc b/third_party/zlib/google/zip_internal.cc
index 1adf2e6d0..c8cf33c25 100644
--- a/third_party/zlib/google/zip_internal.cc
+++ b/third_party/zlib/google/zip_internal.cc
@@ -17,7 +17,7 @@
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 
-#if defined(USE_SYSTEM_MINIZIP)
+#if 1//defined(USE_SYSTEM_MINIZIP)
 #include <minizip/ioapi.h>
 #include <minizip/unzip.h>
 #include <minizip/zip.h>
diff --git a/third_party/zlib/google/zip_internal.h b/third_party/zlib/google/zip_internal.h
index 92833fa17..343f6e291 100644
--- a/third_party/zlib/google/zip_internal.h
+++ b/third_party/zlib/google/zip_internal.h
@@ -14,7 +14,7 @@
 #include <windows.h>
 #endif
 
-#if defined(USE_SYSTEM_MINIZIP)
+#if 1//defined(USE_SYSTEM_MINIZIP)
 #include <minizip/unzip.h>
 #include <minizip/zip.h>
 #else
diff --git a/third_party/zlib/google/zip_reader.cc b/third_party/zlib/google/zip_reader.cc
index 075ba70aa..8be91a5ef 100644
--- a/third_party/zlib/google/zip_reader.cc
+++ b/third_party/zlib/google/zip_reader.cc
@@ -23,7 +23,7 @@
 #include "third_party/zlib/google/redact.h"
 #include "third_party/zlib/google/zip_internal.h"
 
-#if defined(USE_SYSTEM_MINIZIP)
+#if 1//defined(USE_SYSTEM_MINIZIP)
 #include <minizip/unzip.h>
 #else
 #include "third_party/zlib/contrib/minizip/unzip.h"
diff --git a/third_party/zlib/google/zip_reader.h b/third_party/zlib/google/zip_reader.h
index 286ddfd9b..616bd7e0b 100644
--- a/third_party/zlib/google/zip_reader.h
+++ b/third_party/zlib/google/zip_reader.h
@@ -18,7 +18,7 @@
 #include "base/numerics/safe_conversions.h"
 #include "base/time/time.h"
 
-#if defined(USE_SYSTEM_MINIZIP)
+#if 1//defined(USE_SYSTEM_MINIZIP)
 #include <minizip/unzip.h>
 #else
 #include "third_party/zlib/contrib/minizip/unzip.h"
diff --git a/third_party/zlib/google/zip_writer.h b/third_party/zlib/google/zip_writer.h
index aa3c965d9..f471c73b5 100644
--- a/third_party/zlib/google/zip_writer.h
+++ b/third_party/zlib/google/zip_writer.h
@@ -13,7 +13,7 @@
 #include "build/build_config.h"
 #include "third_party/zlib/google/zip.h"
 
-#if defined(USE_SYSTEM_MINIZIP)
+#if 1//defined(USE_SYSTEM_MINIZIP)
 #include <minizip/unzip.h>
 #include <minizip/zip.h>
 #else