diff --git a/src/Makefile b/src/Makefile
index fe78fe8..9ff80e0 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -33,7 +33,7 @@ ifdef release
 endif
 
 ifeq (${ARCH},x86_64)
-	RSCFLAGS := ${RSCFLAGS} -C target-feature=-sse,-avx
+	RSCFLAGS := ${RSCFLAGS} -C target-feature=-sse
 endif
 
 RUSTLIB_PATH = ../rustlib/${ARCH}/lib
@@ -54,6 +54,7 @@ metaverse.elf: kernel libk rust metaverse.lds
 	@echo -e "\e[1;33mld\e[0m \e[1;32m$@\e[0m \e[34m<--\e[0m \e[32m${SUBOBJS}\e[0m"
 	@ld -T metaverse.lds -Map=metaverse.map -unresolved-symbols=ignore-all -o $@ ${SUBOBJS} ${RUST_LIBS} \
 		2>&1 | "${SOURCE}/colorize" "warning:=yellow" "error:=red" "ld=lyellow"
+	@strip $@
 
 .PHONY: kernel libk all clear postproc rust
 
diff --git a/src/kernel/arch/x86_64/entry.s b/src/kernel/arch/x86_64/entry.s
index c259f4a..04f86fd 100644
--- a/src/kernel/arch/x86_64/entry.s
+++ b/src/kernel/arch/x86_64/entry.s
@@ -39,10 +39,6 @@ multiboot2_header:
         dd 8
 multiboot2_header_end:
 
-    section .kstack
-kstack:
-    resb 0x1000000 - 0x400000
-
     section .kend
     global kend
 kend:
diff --git a/src/metaverse.lds b/src/metaverse.lds
index c1e7568..3ef868d 100644
--- a/src/metaverse.lds
+++ b/src/metaverse.lds
@@ -17,12 +17,6 @@ SECTIONS {
     {
         *(.cpumeta)
     }
-    . = 4M;
-    ..kstack :
-    {
-        kstack = .;
-        *(.kstack)
-    }
     . = 16M;
     .text :
     {