diff --git a/src/client/mac/handler/mach_vm_compat.h b/src/client/mac/handler/mach_vm_compat.h
index e0459be6..5af2f204 100644
--- a/src/client/mac/handler/mach_vm_compat.h
+++ b/src/client/mac/handler/mach_vm_compat.h
@@ -39,7 +39,6 @@
 #define mach_vm_address_t vm_address_t
 #define mach_vm_deallocate vm_deallocate
 #define mach_vm_read vm_read
-#define mach_vm_region vm_region
 #define mach_vm_region_recurse vm_region_recurse
 #define mach_vm_size_t vm_size_t
 #else