diff --git a/app/src/main/java/io/legado/app/constant/PreferKey.kt b/app/src/main/java/io/legado/app/constant/PreferKey.kt
index 8236536ca..b3c6f6d68 100644
--- a/app/src/main/java/io/legado/app/constant/PreferKey.kt
+++ b/app/src/main/java/io/legado/app/constant/PreferKey.kt
@@ -56,11 +56,4 @@ object PreferKey {
     const val cNBackground = "colorBackgroundNight"
     const val cNBBackground = "colorBottomBackgroundNight"
 
-    const val cLPrimary = "lastColorPrimary"
-    const val cLAccent = "lastColorAccent"
-    const val cLBackground = "lastColorBackground"
-    const val cLBBackground = "lastColorBottomBackground"
-
-    const val lastPageAnim = "lastPageAnim"
-    const val lastThemeMode = "lastThemeMode"
 }
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