diff --git a/dlls/setupapi/devinst.c b/dlls/setupapi/devinst.c
index cc05623a0cf..4498fdc7350 100644
--- a/dlls/setupapi/devinst.c
+++ b/dlls/setupapi/devinst.c
@@ -594,7 +594,7 @@ static void SETUPDI_RemoveDevice(struct device *device)
     {
         list_remove(&iface->entry);
         if (device->phantom)
-            RegDeleteKeyW(iface->refstr_key, emptyW);
+            remove_device_iface(iface);
         RegCloseKey(iface->refstr_key);
         RegCloseKey(iface->class_key);
         heap_free(iface->refstr);
diff --git a/dlls/setupapi/tests/devinst.c b/dlls/setupapi/tests/devinst.c
index fbc62dcbb97..45d145d14c7 100644
--- a/dlls/setupapi/tests/devinst.c
+++ b/dlls/setupapi/tests/devinst.c
@@ -670,12 +670,6 @@ static void test_device_iface_detail(void)
      'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
      'E','n','u','m','\\','R','o','o','t','\\',
      'L','E','G','A','C','Y','_','B','O','G','U','S',0};
-    static const WCHAR devclass[] = {'S','y','s','t','e','m','\\',
-     'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
-     'C','o','n','t','r','o','l','\\','D','e','v','i','c','e','C','l','a','s','s','e','s','\\',
-     '{','6','a','5','5','b','5','a','4','-','3','f','6','5','-',
-     '1','1','d','b','-','b','7','0','4','-',
-     '0','0','1','1','9','5','5','c','2','b','d','b','}',0};
     static const char path[] = "\\\\?\\root#legacy_bogus#0000#{6a55b5a4-3f65-11db-b704-0011955c2bdb}";
     SP_DEVICE_INTERFACE_DETAIL_DATA_A *detail;
     SP_DEVICE_INTERFACE_DATA iface = {sizeof(iface)};
@@ -750,7 +744,6 @@ static void test_device_iface_detail(void)
 
     /* remove once Wine is fixed */
     devinst_RegDeleteTreeW(HKEY_LOCAL_MACHINE, bogus);
-    devinst_RegDeleteTreeW(HKEY_LOCAL_MACHINE, devclass);
 }
 
 static void test_device_key(void)