diff --git a/include/kvm/kvm.h b/include/kvm/kvm.h
index 7996dfd..4927caa 100644
--- a/include/kvm/kvm.h
+++ b/include/kvm/kvm.h
@@ -81,7 +81,6 @@ static inline void *guest_flat_to_host(struct kvm *kvm, unsigned long offset)
 	return kvm->ram_start + offset;
 }
 
-bool kvm__has_cap(struct kvm *kvm, u32 cap);
 bool kvm__supports_extension(struct kvm *kvm, unsigned int extension);
 
 #endif /* KVM__KVM_H */
diff --git a/kvm.c b/kvm.c
index 008170a..7a745fb 100644
--- a/kvm.c
+++ b/kvm.c
@@ -520,8 +520,3 @@ void kvm__notify_paused(void)
 	mutex_lock(&pause_lock);
 	mutex_unlock(&pause_lock);
 }
-
-bool kvm__has_cap(struct kvm *kvm, u32 cap)
-{
-	return ioctl(kvm->sys_fd, KVM_CHECK_EXTENSION, cap) == 0;
-}