diff --git a/Makefile b/Makefile
index 8164d3f..93a16a8 100644
--- a/Makefile
+++ b/Makefile
@@ -14,8 +14,8 @@ all: $(BUILD)/tbm
 
 CFLAGS += -DTBM_VERSION=\"2017-07-27-dev\"
 CFLAGS += -Iinclude
-CFLAGS += -Wall -Wundef -Wextra -Wshadow -Wimplicit-function-declaration
-CFLAGS += -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes -pedantic
+CFLAGS += -Wall -Wextra -Wshadow -Wimplicit-function-declaration
+CFLAGS += -Wredundant-decls -pedantic
 CFLAGS += -D_XOPEN_SOURCE
 
 CFLAGS += -std=c99