diff --git a/src/gen_dispatch.py b/src/gen_dispatch.py
index b686824..3daad84 100755
--- a/src/gen_dispatch.py
+++ b/src/gen_dispatch.py
@@ -535,7 +535,6 @@ def write_header(self, out_file):
             self.outln('    KHRONOS_TRUE  = 1,')
             self.outln('    KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM')
             self.outln('} khronos_boolean_enum_t;')
-            self.outln('typedef uintptr_t khronos_uintptr_t;')
 
         if self.target == "glx":
             self.outln('#include <X11/Xlib.h>')