Index: Makefile
--- Makefile.orig	2017-12-01 08:19:39.293244000 +0100
+++ Makefile	2017-12-01 08:19:55.974183000 +0100
@@ -62,7 +62,7 @@
 
 OPTFLAGS = -O2 -std=c++11 -fno-rtti
 
-CCFLAGS = -Wall $(OPTFLAGS) $(OPT_ENABLE_DEBUGGER_SUPPORT)
+CCFLAGS = $(OPTFLAGS) $(OPT_ENABLE_DEBUGGER_SUPPORT)
 
 ifdef V8_SRCDIR
 override CPPFLAGS += -I$(V8_SRCDIR) -I$(V8_SRCDIR)/include