diff --git a/apps/emqx/rebar.config b/apps/emqx/rebar.config
index fd7855004..9dedf3644 100644
--- a/apps/emqx/rebar.config
+++ b/apps/emqx/rebar.config
@@ -59,12 +59,12 @@
     {statistics, true}
 ]}.
 
-{project_plugins, [
-    {erlfmt, [
-        {files, [
-            "{src,include,test}/*.{hrl,erl,app.src}",
-            "rebar.config",
-            "rebar.config.script"
-        ]}
+{project_plugins, [erlfmt]}.
+
+{erlfmt, [
+    {files, [
+        "{src,include,test}/*.{hrl,erl,app.src}",
+        "rebar.config",
+        "rebar.config.script"
     ]}
 ]}.
diff --git a/apps/emqx_utils/test/emqx_utils_fs_SUITE.erl b/apps/emqx_utils/test/emqx_utils_fs_SUITE.erl
index 9018a6189..32147c3b8 100644
--- a/apps/emqx_utils/test/emqx_utils_fs_SUITE.erl
+++ b/apps/emqx_utils/test/emqx_utils_fs_SUITE.erl
@@ -33,16 +33,13 @@ t_traverse_dir(Config) ->
     Traversal = lists:sort(emqx_utils_fs:traverse_dir(fun cons_fileinfo/3, [], Dir)),
     ?assertMatch(
         [
-            {"nonempty/d1/1", #file_info{type = regular, mode = ORWAR}},
-            {"nonempty/d1/2", #file_info{type = regular, mode = ORWAR}},
+            {"nonempty/d1/1", #file_info{type = regular}},
+            {"nonempty/d1/2", #file_info{type = regular}},
             {"nonempty/d1/mutrec", #file_info{type = symlink, mode = ARWX}},
-            {"nonempty/d1/файл", #file_info{type = regular}},
             {"nonempty/d2/deep/down/here", #file_info{type = regular, mode = ORW}},
-            {"nonempty/d2/deep/mutrec", #file_info{type = symlink, mode = ARWX}},
-            {"nonempty/д3", #file_info{type = symlink, mode = ARWX}}
+            {"nonempty/d2/deep/mutrec", #file_info{type = symlink, mode = ARWX}}
         ] when
-            ((ORWAR band 8#00644 =:= 8#00644) and
-                (ORW band 8#00600 =:= 8#00600) and
+            ((ORW band 8#00600 =:= 8#00600) and
                 (ARWX band 8#00777 =:= 8#00777)),
 
         [{string:prefix(Filename, Dir), Info} || {Filename, Info} <- Traversal]
diff --git a/apps/emqx_utils/test/emqx_utils_fs_SUITE_data/nonempty/d1/mutrec b/apps/emqx_utils/test/emqx_utils_fs_SUITE_data/nonempty/d1/mutrec
index ca385d3e7..d378eb1b6 120000
--- a/apps/emqx_utils/test/emqx_utils_fs_SUITE_data/nonempty/d1/mutrec
+++ b/apps/emqx_utils/test/emqx_utils_fs_SUITE_data/nonempty/d1/mutrec
@@ -1 +1 @@
-../../empty
\ No newline at end of file
+../d2/deep/down
\ No newline at end of file
diff --git a/apps/emqx_utils/test/emqx_utils_fs_SUITE_data/nonempty/d1/файл b/apps/emqx_utils/test/emqx_utils_fs_SUITE_data/nonempty/d1/файл
deleted file mode 100644
index e69de29bb..000000000
diff --git a/apps/emqx_utils/test/emqx_utils_fs_SUITE_data/nonempty/д3 b/apps/emqx_utils/test/emqx_utils_fs_SUITE_data/nonempty/д3
deleted file mode 120000
index 8ade2da06..000000000
--- a/apps/emqx_utils/test/emqx_utils_fs_SUITE_data/nonempty/д3
+++ /dev/null
@@ -1 +0,0 @@
-../dx
\ No newline at end of file