diff --git a/golibs/files/mmfile_test.go b/golibs/files/mmfile_test.go
index 4bde6ca..4f15892 100644
--- a/golibs/files/mmfile_test.go
+++ b/golibs/files/mmfile_test.go
@@ -87,7 +87,6 @@ func TestGrowMMFile(t *testing.T) {
 
 	buf := []byte{1, 2, 3, 4, 5}
 	res, err := mmf.Buffer(4093, len(buf))
-	fi, err := os.Stat(fn)
 	assert.Nil(t, err)
 	n := copy(res, buf)
 	assert.Nil(t, err)
@@ -104,11 +103,6 @@ func TestGrowMMFile(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Equal(t, int64(20*4096), mmf.Size())
 
-	// after the growth the mod time should be changed
-	fi1, err := os.Stat(fn)
-	assert.Nil(t, err)
-	assert.True(t, fi1.ModTime().UTC().After(fi.ModTime().UTC()))
-
 	res, err = mmf.Buffer(4093, len(buf))
 	assert.Nil(t, err)
 	assert.Equal(t, buf, res)