diff --git a/JL.Core/Dicts/EPWING/EpwingUtils.cs b/JL.Core/Dicts/EPWING/EpwingUtils.cs
index 080ac2c2..8322d462 100644
--- a/JL.Core/Dicts/EPWING/EpwingUtils.cs
+++ b/JL.Core/Dicts/EPWING/EpwingUtils.cs
@@ -27,11 +27,6 @@ internal static class EpwingUtils
 
     public static bool IsValidEpwingResultForDictType(IEpwingRecord epwingRecord, Dict dict)
     {
-        if (epwingRecord.Definitions.Length is 0)
-        {
-            return false;
-        }
-
         foreach (char c in epwingRecord.PrimarySpelling)
         {
             if (s_invalidCharacters.Contains(c) || char.IsWhiteSpace(c))
diff --git a/JL.Core/Dicts/EPWING/EpwingYomichan/EpwingYomichanLoader.cs b/JL.Core/Dicts/EPWING/EpwingYomichan/EpwingYomichanLoader.cs
index 301f628a..eeec736f 100644
--- a/JL.Core/Dicts/EPWING/EpwingYomichan/EpwingYomichanLoader.cs
+++ b/JL.Core/Dicts/EPWING/EpwingYomichan/EpwingYomichanLoader.cs
@@ -50,7 +50,8 @@ public static async Task Load(Dict dict)
 
     private static void AddToDictionary(IEpwingRecord yomichanRecord, Dict dict)
     {
-        if (!EpwingUtils.IsValidEpwingResultForDictType(yomichanRecord, dict))
+        if (yomichanRecord.Definitions.Length is 0
+            || !EpwingUtils.IsValidEpwingResultForDictType(yomichanRecord, dict))
         {
             return;
         }
diff --git a/JL.Windows/DictOptionManager.cs b/JL.Windows/DictOptionManager.cs
index f1009a62..3bdbe743 100644
--- a/JL.Windows/DictOptionManager.cs
+++ b/JL.Windows/DictOptionManager.cs
@@ -1,4 +1,3 @@
-using System.Globalization;
 using System.Windows.Media;
 using JL.Core.Dicts;
 using JL.Windows.Utilities;