diff --git a/app/build.gradle b/app/build.gradle
index db4734aa2..208e88d41 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,11 +9,6 @@ android {
     buildToolsVersion "33.0.0"
     ndkVersion "25.1.8937393"
 
-    Properties localProperties = new Properties()
-    if (project.rootProject.file('local.properties').exists()) {
-        localProperties.load(project.rootProject.file('local.properties').newDataInputStream())
-    }
-
     splits {
         abi {
             enable = true
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/fragment/PrivacyFragment.kt b/app/src/main/java/com/hippo/ehviewer/ui/fragment/PrivacyFragment.kt
index 08e018f32..670b2ecaa 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/fragment/PrivacyFragment.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/fragment/PrivacyFragment.kt
@@ -52,6 +52,7 @@ class PrivacyFragment : BasePreferenceFragment() {
             Settings.putSecurity(false)
             requireUnlock.isEnabled = false
             requireUnlock.isChecked = false
+            unlockDelay.isEnabled = false
         } else {
             unlockDelay.isEnabled = requireUnlock.isChecked == true
             setUnlockDelaySummary(unlockDelay.value)