diff --git a/arch/x86/boot/.gitignore b/arch/x86/boot/.gitignore
index 18465143cfa2..b1bdc4c6f9f2 100644
--- a/arch/x86/boot/.gitignore
+++ b/arch/x86/boot/.gitignore
@@ -3,3 +3,5 @@ bzImage
 setup
 setup.bin
 setup.elf
+cpustr.h
+mkcpustr