diff --git a/src/gbinder_config.c b/src/gbinder_config.c
index e0d4bd2..ac99990 100644
--- a/src/gbinder_config.c
+++ b/src/gbinder_config.c
@@ -141,15 +141,9 @@ static const GBinderConfigPresetEntry gbinder_config_31_protocol[] = {
     { NULL, NULL }
 };
 
-static const GBinderConfigPresetEntry gbinder_config_31_servicemanager[] = {
-    { "/dev/binder", "aidl4" },
-    { "/dev/vndbinder", "aidl4" },
-    { NULL, NULL }
-};
-
 static const GBinderConfigPresetGroup gbinder_config_31[] = {
     { GBINDER_CONFIG_GROUP_PROTOCOL, gbinder_config_31_protocol },
-    { GBINDER_CONFIG_GROUP_SERVICEMANAGER, gbinder_config_31_servicemanager },
+    { GBINDER_CONFIG_GROUP_SERVICEMANAGER, gbinder_config_30_servicemanager },
     { NULL, NULL }
 };
 
diff --git a/unit/unit_config/unit_config.c b/unit/unit_config/unit_config.c
index 423bed5..9f526b7 100644
--- a/unit/unit_config/unit_config.c
+++ b/unit/unit_config/unit_config.c
@@ -534,8 +534,8 @@ static const TestPresetsData test_presets_data [] = {
         "/dev/binder = aidl4\n"
         "/dev/vndbinder = aidl4\n"
         "[ServiceManager]\n"
-        "/dev/binder = aidl4\n"
-        "/dev/vndbinder = aidl4\n"
+        "/dev/binder = aidl3\n"
+        "/dev/vndbinder = aidl3\n"
     },{
         "33",