diff --git a/app/src/main/java/io/github/wulkanowy/ui/main/exams/ExamsTabFragment.java b/app/src/main/java/io/github/wulkanowy/ui/main/exams/ExamsTabFragment.java
index ccc3da17..d41e34d2 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/main/exams/ExamsTabFragment.java
+++ b/app/src/main/java/io/github/wulkanowy/ui/main/exams/ExamsTabFragment.java
@@ -135,7 +135,7 @@ public class ExamsTabFragment extends BaseFragment implements ExamsTabContract.V
 
     @Override
     public void onDestroyView() {
-        super.onDestroyView();
         presenter.onDestroy();
+        super.onDestroyView();
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/utils/RootChecker.java b/app/src/main/java/io/github/wulkanowy/utils/RootChecker.java
deleted file mode 100644
index 9c23c217..00000000
--- a/app/src/main/java/io/github/wulkanowy/utils/RootChecker.java
+++ /dev/null
@@ -1,38 +0,0 @@
-package io.github.wulkanowy.utils;
-
-import android.os.Build;
-
-import java.io.File;
-
-public final class RootChecker {
-
-    private RootChecker() {
-        throw new IllegalStateException("Utility class");
-    }
-
-    public static boolean isRooted() {
-        return checkOne() || checkTwo() || checkThree();
-    }
-
-    private static boolean checkOne() {
-        return Build.TAGS != null && Build.TAGS.contains("test-keys");
-    }
-
-    private static boolean checkTwo() {
-        return new File("/system/app/Superuser.apk").exists();
-    }
-
-    private static boolean checkThree() {
-        String[] commands = {"/system/xbin/which su", "/system/bin/which su", "which su"};
-        for (String command : commands) {
-            try {
-                Runtime.getRuntime().exec(command);
-                return true;
-            } catch (Exception e) {
-                // ignore
-            }
-        }
-        return false;
-    }
-
-}
diff --git a/app/src/main/java/io/github/wulkanowy/utils/security/Scrambler.java b/app/src/main/java/io/github/wulkanowy/utils/security/Scrambler.java
index 93da1d0b..dc0c409a 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/security/Scrambler.java
+++ b/app/src/main/java/io/github/wulkanowy/utils/security/Scrambler.java
@@ -27,7 +27,6 @@ import javax.crypto.CipherOutputStream;
 import javax.security.auth.x500.X500Principal;
 
 import io.github.wulkanowy.utils.LogUtils;
-import io.github.wulkanowy.utils.RootChecker;
 
 public final class Scrambler {
 
@@ -46,23 +45,16 @@ public final class Scrambler {
             loadKeyStore();
             generateNewKey(email, context);
             return encryptString(email, plainText);
-        } else {
-            if (RootChecker.isRooted()) {
-                return new String(Base64.encode(plainText.getBytes(), Base64.DEFAULT));
-            } else {
-                throw new UnsupportedOperationException("Stored data in this devices " +
-                        "isn't safe because android is rooted");
-            }
         }
+        return new String(Base64.encode(plainText.getBytes(), Base64.DEFAULT));
     }
 
     public static String decrypt(String email, String encryptedText) throws CryptoException {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
             loadKeyStore();
             return decryptString(email, encryptedText);
-        } else {
-            return new String(Base64.decode(encryptedText, Base64.DEFAULT));
         }
+        return new String(Base64.decode(encryptedText, Base64.DEFAULT));
     }
 
     private static void loadKeyStore() throws CryptoException {