--- a/undertaker/Makefile
+++ b/undertaker/Makefile
@@ -4,7 +4,7 @@ SUFFIXES += .d
 #We don't need to clean up when we're making these targets
 NODEPS:=clean clean-check clean-parsers clean-regenerate
 
-CFLAGS = -Wall -Wextra -O2
+CFLAGS = -Wextra -O2
 CPPFLAGS = -I../scripts/kconfig -I../picosat
 CXXFLAGS = $(CFLAGS) -std=gnu++11
 
--- a/ziz/Makefile
+++ b/ziz/Makefile
@@ -1,7 +1,7 @@
 CXX=g++
 LDXX=g++
 DEBUG = -g3
-CFLAGS = -Wall -Wextra -O2 $(DEBUG)
+CFLAGS = -Wextra -O2 $(DEBUG)
 CXXFLAGS = $(CFLAGS) -std=gnu++11
 LDFLAGS =
 LDLIBS = -lboost_regex -lboost_wave -lboost_system $(LDCOV)
