diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyHelper.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyHelper.java
index 77697b026..59a48e7eb 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyHelper.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyHelper.java
@@ -57,11 +57,6 @@ public class PgpKeyHelper {
         return key.getCreationTime();
     }
 
-    @Deprecated
-    public static Date getCreationDate(PGPSecretKey key) {
-        return key.getPublicKey().getCreationTime();
-    }
-
     @Deprecated
     public static Date getExpiryDate(PGPPublicKey key) {
         Date creationDate = getCreationDate(key);
@@ -76,38 +71,6 @@ public class PgpKeyHelper {
         return calendar.getTime();
     }
 
-    @Deprecated
-    public static Date getExpiryDate(PGPSecretKey key) {
-        return getExpiryDate(key.getPublicKey());
-    }
-
-    public static int getKeyUsage(PGPSecretKey key) {
-        return getKeyUsage(key.getPublicKey());
-    }
-
-    @SuppressWarnings("unchecked")
-    private static int getKeyUsage(PGPPublicKey key) {
-        int usage = 0;
-        if (key.getVersion() >= 4) {
-            for (PGPSignature sig : new IterableIterator<PGPSignature>(key.getSignatures())) {
-                if (key.isMasterKey() && sig.getKeyID() != key.getKeyID()) {
-                    continue;
-                }
-
-                PGPSignatureSubpacketVector hashed = sig.getHashedSubPackets();
-                if (hashed != null) {
-                    usage |= hashed.getKeyFlags();
-                }
-
-                PGPSignatureSubpacketVector unhashed = sig.getUnhashedSubPackets();
-                if (unhashed != null) {
-                    usage |= unhashed.getKeyFlags();
-                }
-            }
-        }
-        return usage;
-    }
-
     @SuppressWarnings("unchecked")
     @Deprecated
     public static boolean isEncryptionKey(PGPPublicKey key) {
@@ -150,10 +113,6 @@ public class PgpKeyHelper {
         return false;
     }
 
-    public static boolean isEncryptionKey(PGPSecretKey key) {
-        return isEncryptionKey(key.getPublicKey());
-    }
-
     @SuppressWarnings("unchecked")
     @Deprecated
     public static boolean isSigningKey(PGPPublicKey key) {
@@ -186,11 +145,6 @@ public class PgpKeyHelper {
         return false;
     }
 
-    @Deprecated
-    public static boolean isSigningKey(PGPSecretKey key) {
-        return isSigningKey(key.getPublicKey());
-    }
-
     @SuppressWarnings("unchecked")
     @Deprecated
     public static boolean isCertificationKey(PGPPublicKey key) {
@@ -218,51 +172,6 @@ public class PgpKeyHelper {
         return false;
     }
 
-    @Deprecated
-    public static boolean isAuthenticationKey(PGPSecretKey key) {
-        return isAuthenticationKey(key.getPublicKey());
-    }
-
-    @SuppressWarnings("unchecked")
-    @Deprecated
-    public static boolean isAuthenticationKey(PGPPublicKey key) {
-        if (key.getVersion() <= 3) {
-            return true;
-        }
-
-        for (PGPSignature sig : new IterableIterator<PGPSignature>(key.getSignatures())) {
-            if (key.isMasterKey() && sig.getKeyID() != key.getKeyID()) {
-                continue;
-            }
-            PGPSignatureSubpacketVector hashed = sig.getHashedSubPackets();
-
-            if (hashed != null && (hashed.getKeyFlags() & KeyFlags.AUTHENTICATION) != 0) {
-                return true;
-            }
-
-            PGPSignatureSubpacketVector unhashed = sig.getUnhashedSubPackets();
-
-            if (unhashed != null && (unhashed.getKeyFlags() & KeyFlags.AUTHENTICATION) != 0) {
-                return true;
-            }
-        }
-
-        return false;
-    }
-
-    @Deprecated
-    public static boolean isCertificationKey(PGPSecretKey key) {
-        return isCertificationKey(key.getPublicKey());
-    }
-
-    public static String getAlgorithmInfo(Context context, PGPPublicKey key) {
-        return getAlgorithmInfo(context, key.getAlgorithm(), key.getBitStrength());
-    }
-
-    public static String getAlgorithmInfo(Context context, PGPSecretKey key) {
-        return getAlgorithmInfo(context, key.getPublicKey());
-    }
-
     /**
      * TODO: Only used in HkpKeyServer. Get rid of this one!
      */
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
index d1a003ec1..0784a0f33 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
@@ -263,23 +263,6 @@ public class ProviderHelper {
         }
     }
 
-    @Deprecated
-    public PGPSecretKeyRing getPGPSecretKeyRingWithKeyId(long keyId)
-            throws NotFoundException {
-        Uri uri = KeyRings.buildUnifiedKeyRingsFindBySubkeyUri(Long.toString(keyId));
-        long masterKeyId = getMasterKeyId(uri);
-        return getPGPSecretKeyRing(masterKeyId);
-    }
-
-    /**
-     * Retrieves the actual PGPPublicKeyRing object from the database blob based on the masterKeyId
-     */
-    @Deprecated
-    public PGPPublicKeyRing getPGPPublicKeyRing(long masterKeyId) throws NotFoundException {
-        Uri queryUri = KeyRingData.buildPublicKeyRingUri(Long.toString(masterKeyId));
-        return (PGPPublicKeyRing) getPGPKeyRing(queryUri);
-    }
-
     /**
      * Retrieves the actual PGPSecretKeyRing object from the database blob based on the maserKeyId
      */
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
index e595c1889..79f409663 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
@@ -367,10 +367,10 @@ public class ViewKeyActivity extends ActionBarActivity {
                                 try {
                                     Uri blobUri =
                                             KeychainContract.KeyRingData.buildPublicKeyRingUri(dataUri);
-                                    mNfcKeyringBytes = mProviderHelper.getPGPKeyRing(
-                                            blobUri).getEncoded();
-                                } catch (IOException e) {
-                                    Log.e(Constants.TAG, "Error parsing keyring", e);
+                                    mNfcKeyringBytes = (byte[]) mProviderHelper.getGenericData(
+                                            blobUri,
+                                            KeychainContract.KeyRingData.KEY_RING_DATA,
+                                            ProviderHelper.FIELD_TYPE_BLOB);
                                 } catch (ProviderHelper.NotFoundException e) {
                                     Log.e(Constants.TAG, "key not found!", e);
                                 }