diff --git a/Android.mk b/Android.mk
index c5dd118..e1372bd 100644
--- a/Android.mk
+++ b/Android.mk
@@ -15,7 +15,6 @@ include $(BUILD_EXECUTABLE)
 include $(CLEAR_VARS)
 LOCAL_MODULE := run-as
 LOCAL_SRC_FILES := \
-	dirtycow.c \
 	run-as.c
 
 LOCAL_CFLAGS += -DDEBUG
diff --git a/run-as.c b/run-as.c
index cb59ab2..cfc0aef 100644
--- a/run-as.c
+++ b/run-as.c
@@ -22,8 +22,6 @@ char __aeabi_unwind_cpp_pr0[0];
 typedef int getcon_t(char ** con);
 typedef int setcon_t(const char* con);
 
-extern int dcow(int argc, const char *argv[]);
-
 int main(int argc, const char **argv)
 {
 	LOGV("uid %s %d", argv[0], getuid());