diff --git a/contrib/unzip/crypt.c b/contrib/unzip/crypt.c
index 299ce03d2..22436baab 100644
--- a/contrib/unzip/crypt.c
+++ b/contrib/unzip/crypt.c
@@ -43,11 +43,6 @@
 
 #include "crypt.h"
 
-#ifdef _WIN32
-#   pragma warning(push)
-#   pragma warning(disable : 4244)
-#endif // _WIN32
-
 /***************************************************************************/
 
 #define CRC32(c, b) ((*(pcrc_32_tab+(((uint32_t)(c) ^ (b)) & 0xff))) ^ ((c) >> 8))
@@ -164,8 +159,4 @@ int crypthead(const char *passwd, uint8_t *buf, int buf_size, uint32_t *pkeys,
     return n;
 }
 
-#ifdef _WIN32
-#   pragma warning(pop)
-#endif // _WIN32
-
 /***************************************************************************/
diff --git a/contrib/unzip/ioapi.c b/contrib/unzip/ioapi.c
index 30a296d0f..99295f0f8 100644
--- a/contrib/unzip/ioapi.c
+++ b/contrib/unzip/ioapi.c
@@ -23,8 +23,6 @@
 
 #ifdef _WIN32
 #   define snprintf _snprintf
-#   pragma warning(push)
-#   pragma warning(disable : 4131 4100)
 #   ifdef __clang__
 #       pragma clang diagnostic push
 #       pragma clang diagnostic ignored "-Wunused-parameter"
@@ -358,7 +356,6 @@ void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def)
 }
 
 #ifdef _WIN32
-#   pragma warning(pop)
 #   ifdef __clang__
 #       pragma clang diagnostic pop
 #   endif
diff --git a/contrib/unzip/unzip.c b/contrib/unzip/unzip.c
index f1eddeeda..311a6ae03 100644
--- a/contrib/unzip/unzip.c
+++ b/contrib/unzip/unzip.c
@@ -73,11 +73,6 @@
 #  define TRYFREE(p) {if (p) free(p);}
 #endif
 
-#ifdef _WIN32
-#   pragma warning(push)
-#   pragma warning(disable : 4131 4244 4189 4245)
-#endif // _WIN32
-
 const char unz_copyright[] =
    " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll";
 
@@ -1993,8 +1988,4 @@ extern int ZEXPORT unzEndOfFile(unzFile file)
     if (s->pfile_in_zip_read->rest_read_uncompressed == 0)
         return 1;
     return 0;
-}
-
-#ifdef _WIN32
-#   pragma warning(pop)
-#endif // _WIN32
\ No newline at end of file
+}
\ No newline at end of file