diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index d1ccc168c0714604011f859926d256d4830edecb..165dea4c7f193477529ae3ae2f9ce7691ed5b842 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -1477,8 +1477,7 @@ static int __inject_sigp_stop(struct kvm_vcpu *vcpu, struct kvm_s390_irq *irq)
 	return 0;
 }
 
-static int __inject_sigp_restart(struct kvm_vcpu *vcpu,
-				 struct kvm_s390_irq *irq)
+static int __inject_sigp_restart(struct kvm_vcpu *vcpu)
 {
 	struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int;
 
@@ -2007,7 +2006,7 @@ static int do_inject_vcpu(struct kvm_vcpu *vcpu, struct kvm_s390_irq *irq)
 		rc = __inject_sigp_stop(vcpu, irq);
 		break;
 	case KVM_S390_RESTART:
-		rc = __inject_sigp_restart(vcpu, irq);
+		rc = __inject_sigp_restart(vcpu);
 		break;
 	case KVM_S390_INT_CLOCK_COMP:
 		rc = __inject_ckc(vcpu);