diff --git a/Makefile b/Makefile
index 6359084..58f5f42 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@ LIBC_OBJ := $(addprefix $(BUILD_DIR)/,$(LIBC_C_FILES:.c=.o))
 
 BUILD_ID := $(shell tools/generate_build_id.py --arch $(ARCH))
 
-CFLAGS := $(CFLAGS) -DBUILD_ID=\"$(BUILD_ID)\" -g \
+CFLAGS := $(CFLAGS) -DBUILD_ID=\"$(BUILD_ID)\" -g -Wall -Werror -pedantic \
 	"-I$(ROOT_DIR)/include" "-I$(ROOT_DIR)/arch/$(ARCH)/include" "-I$(ROOT_DIR)/libc/include"
 
 ASMFLAGS := $(ASMFLAGS) -DBUILD_ID=\"$(BUILD_ID)\"
diff --git a/arch/x86_64/idt.c b/arch/x86_64/idt.c
deleted file mode 100644
index e69de29..0000000
diff --git a/arch/x86_64/tss.c b/arch/x86_64/tss.c
deleted file mode 100644
index e69de29..0000000
diff --git a/init/init.c b/init/init.c
index ab1b266..0074da7 100644
--- a/init/init.c
+++ b/init/init.c
@@ -2,4 +2,5 @@
 
 int do_initcalls(void)
 {
+	return 0;
 }
diff --git a/init/main.c b/init/main.c
index 2b68f09..4c50633 100644
--- a/init/main.c
+++ b/init/main.c
@@ -5,7 +5,7 @@
 #include <socks/machine/init.h>
 #include <socks/machine/cpu.h>
 
-static ml_cpu_block g_bootstrap_cpu = {};
+static ml_cpu_block g_bootstrap_cpu = {0};
 
 void bootstrap_cpu_init(void)
 {