diff --git a/renderdoc/driver/vulkan/Makefile b/renderdoc/driver/vulkan/Makefile
index 6133395b8..95505d634 100644
--- a/renderdoc/driver/vulkan/Makefile
+++ b/renderdoc/driver/vulkan/Makefile
@@ -4,8 +4,7 @@ COMMIT=`git rev-parse HEAD`
 MACROS=-DLINUX \
 			 -DRENDERDOC_PLATFORM=linux \
 			 -DRENDERDOC_EXPORTS \
-			 -DGIT_COMMIT_HASH="\"$(COMMIT)\"" \
-                         -DVK_PROTOTYPES
+			 -DGIT_COMMIT_HASH="\"$(COMMIT)\""
 CFLAGS=-c -Wall -Werror -Wno-unused -Wno-unknown-pragmas -fPIC $(MACROS) -I../../ -I../../3rdparty/ -I$(VULKAN_SDK_SRC)/include -I$(VULKAN_SDK_SRC)/layers -I$(VULKAN_SDK_SRC)/loader -I$(VULKAN_SDK_SRC)/build/layers
 CPPFLAGS=-std=c++11 -g -Wno-reorder -fvisibility=hidden -fvisibility-inlines-hidden
 LDFLAGS=-lpthread -lrt -shared -ldl -lX11