diff --git a/src/com/android/settings/security/InstallCaCertificatePreferenceController.java b/src/com/android/settings/security/InstallCaCertificatePreferenceController.java
index b2ded85b2c2..0d03d42acf0 100644
--- a/src/com/android/settings/security/InstallCaCertificatePreferenceController.java
+++ b/src/com/android/settings/security/InstallCaCertificatePreferenceController.java
@@ -17,7 +17,6 @@
 package com.android.settings.security;
 
 import android.content.Context;
-import android.os.UserManager;
 
 import com.android.settings.core.BasePreferenceController;
 
@@ -27,16 +26,11 @@ public class InstallCaCertificatePreferenceController extends
     private static final String KEY_INSTALL_CA_CERTIFICATE = "install_ca_certificate";
 
     public InstallCaCertificatePreferenceController(Context context) {
-        super(context, UserManager.DISALLOW_CONFIG_CREDENTIALS);
+        super(context, KEY_INSTALL_CA_CERTIFICATE);
     }
 
     @Override
     public int getAvailabilityStatus() {
         return AVAILABLE;
     }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_INSTALL_CA_CERTIFICATE;
-    }
 }
diff --git a/src/com/android/settings/security/InstallUserCertificatePreferenceController.java b/src/com/android/settings/security/InstallUserCertificatePreferenceController.java
index ad2a6068d64..68b921336f3 100644
--- a/src/com/android/settings/security/InstallUserCertificatePreferenceController.java
+++ b/src/com/android/settings/security/InstallUserCertificatePreferenceController.java
@@ -17,7 +17,6 @@
 package com.android.settings.security;
 
 import android.content.Context;
-import android.os.UserManager;
 
 import com.android.settings.core.BasePreferenceController;
 
@@ -27,16 +26,11 @@ public class InstallUserCertificatePreferenceController extends
     private static final String KEY_INSTALL_USER_CERTIFICATE = "install_user_certificate";
 
     public InstallUserCertificatePreferenceController(Context context) {
-        super(context, UserManager.DISALLOW_CONFIG_CREDENTIALS);
+        super(context, KEY_INSTALL_USER_CERTIFICATE);
     }
 
     @Override
     public int getAvailabilityStatus() {
         return AVAILABLE;
     }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_INSTALL_USER_CERTIFICATE;
-    }
 }
diff --git a/src/com/android/settings/security/InstallWifiCertificatePreferenceController.java b/src/com/android/settings/security/InstallWifiCertificatePreferenceController.java
index c7df34efd0c..c943f86bb07 100644
--- a/src/com/android/settings/security/InstallWifiCertificatePreferenceController.java
+++ b/src/com/android/settings/security/InstallWifiCertificatePreferenceController.java
@@ -17,7 +17,6 @@
 package com.android.settings.security;
 
 import android.content.Context;
-import android.os.UserManager;
 
 import com.android.settings.core.BasePreferenceController;
 
@@ -27,16 +26,11 @@ public class InstallWifiCertificatePreferenceController extends
     private static final String KEY_INSTALL_WIFI_CERTIFICATE = "install_wifi_certificate";
 
     public InstallWifiCertificatePreferenceController(Context context) {
-        super(context, UserManager.DISALLOW_CONFIG_CREDENTIALS);
+        super(context, KEY_INSTALL_WIFI_CERTIFICATE);
     }
 
     @Override
     public int getAvailabilityStatus() {
         return AVAILABLE;
     }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_INSTALL_WIFI_CERTIFICATE;
-    }
 }