diff --git a/src/c_wrapper/wrap_constants.cpp b/src/c_wrapper/wrap_constants.cpp
index af2c3935a109fb2098ae2dfe1116c85af63ba151..0685b1f554a5847878cf0deca3aab433d18147a2 100644
--- a/src/c_wrapper/wrap_constants.cpp
+++ b/src/c_wrapper/wrap_constants.cpp
@@ -613,10 +613,7 @@ void populate_constants(void(*add)(const char*, const char*, int64_t value))
     // kernel_arg_type_qualifier
 #if PYOPENCL_CL_VERSION >= 0x1020
     ADD_ATTR("kernel_arg_type_qualifier", KERNEL_ARG_TYPE_, NONE);
-#ifdef CL_KERNEL_ARG_TYPE_CONST
-    // Apparently, this symbol is missing in some Windows ICD loaders.
     ADD_ATTR("kernel_arg_type_qualifier", KERNEL_ARG_TYPE_, CONST);
-#endif
     ADD_ATTR("kernel_arg_type_qualifier", KERNEL_ARG_TYPE_, RESTRICT);
     ADD_ATTR("kernel_arg_type_qualifier", KERNEL_ARG_TYPE_, VOLATILE);
 #endif