4 files changed, 4 insertions, 11 deletions
diff --git a/src/3rdparty/zlib/minigzip.c b/src/3rdparty/zlib/minigzip.c
index 6de35dde9..ed1d1486d 100644
--- a/src/3rdparty/zlib/minigzip.c
+++ b/src/3rdparty/zlib/minigzip.c
@@ -48,9 +48,6 @@
 #  define GZ_SUFFIX "-gz"
 #  define fileno(file) file->__file
 #endif
-#if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
-#  include <unix.h> /* for fileno */
-#endif
 
 #ifndef WIN32 /* unlink already in stdio.h for WIN32 */
   extern int unlink OF((const char *));
diff --git a/src/3rdparty/zlib/zconf.h b/src/3rdparty/zlib/zconf.h
index af321ab6f..7b4d7a0d5 100644
--- a/src/3rdparty/zlib/zconf.h
+++ b/src/3rdparty/zlib/zconf.h
@@ -120,7 +120,7 @@
 #endif
 
 /* Some Mac compilers merge all .h files incorrectly: */
-#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
+#if defined(applec)||defined(THINK_C)||defined(__SC__)
 #  define NO_DUMMY_DECL
 #endif
 
diff --git a/src/3rdparty/zlib/zconf.in.h b/src/3rdparty/zlib/zconf.in.h
index af321ab6f..7b4d7a0d5 100644
--- a/src/3rdparty/zlib/zconf.in.h
+++ b/src/3rdparty/zlib/zconf.in.h
@@ -120,7 +120,7 @@
 #endif
 
 /* Some Mac compilers merge all .h files incorrectly: */
-#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
+#if defined(applec)||defined(THINK_C)||defined(__SC__)
 #  define NO_DUMMY_DECL
 #endif
 
diff --git a/src/3rdparty/zlib/zutil.h b/src/3rdparty/zlib/zutil.h
index 50bcbbf6e..e673e7244 100644
--- a/src/3rdparty/zlib/zutil.h
+++ b/src/3rdparty/zlib/zutil.h
@@ -99,12 +99,8 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
 
 #if defined(MACOS) || defined(TARGET_OS_MAC)
 #  define OS_CODE  0x07
-#  if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
-#    include <unix.h> /* for fdopen */
-#  else
-#    ifndef fdopen
-#      define fdopen(fd,mode) NULL /* No fdopen() */
-#    endif
+#  ifndef fdopen
+#    define fdopen(fd,mode) NULL /* No fdopen() */
 #  endif
 #endif