diff --git a/arch/x86/include/asm/spec-ctrl.h b/arch/x86/include/asm/spec-ctrl.h
index 00b7e0398210..88c1055030f5 100644
--- a/arch/x86/include/asm/spec-ctrl.h
+++ b/arch/x86/include/asm/spec-ctrl.h
@@ -18,7 +18,6 @@ extern void x86_virt_spec_ctrl(u64 guest_virt_spec_ctrl, bool guest);
 
 /**
  * x86_spec_ctrl_set_guest - Set speculation control registers for the guest
- * @guest_spec_ctrl:		The guest content of MSR_SPEC_CTRL
  * @guest_virt_spec_ctrl:	The guest controlled bits of MSR_VIRT_SPEC_CTRL
  *				(may get translated to MSR_AMD64_LS_CFG bits)
  *
@@ -32,7 +31,6 @@ void x86_spec_ctrl_set_guest(u64 guest_virt_spec_ctrl)
 
 /**
  * x86_spec_ctrl_restore_host - Restore host speculation control registers
- * @guest_spec_ctrl:		The guest content of MSR_SPEC_CTRL
  * @guest_virt_spec_ctrl:	The guest controlled bits of MSR_VIRT_SPEC_CTRL
  *				(may get translated to MSR_AMD64_LS_CFG bits)
  *