diff --git a/string.asm b/string.asm
index 2681185..812d707 100644
--- a/string.asm
+++ b/string.asm
@@ -55,13 +55,9 @@ strcat:
 	push	rbp
 	mov	rbp, rsp
 
-	push	rdi
-	sub	rsp, 8
 	call	strlen
 	add	rdi, rax
 	call	strcpy
-	add	rsp, 8
-	pop	rdi
 
 	leave
 	ret