diff --git a/src/main/java/com/lbry/database/PrefixDB.java b/src/main/java/com/lbry/database/PrefixDB.java
index 760d9f0..8244f39 100644
--- a/src/main/java/com/lbry/database/PrefixDB.java
+++ b/src/main/java/com/lbry/database/PrefixDB.java
@@ -5,7 +5,6 @@ import com.lbry.database.revert.RevertibleOperation;
 import com.lbry.database.revert.RevertibleOperationStack;
 import com.lbry.database.revert.RevertiblePut;
 import com.lbry.database.rows.*;
-import org.rocksdb.*;
 
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
@@ -13,6 +12,15 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 
+import org.rocksdb.ColumnFamilyDescriptor;
+import org.rocksdb.ColumnFamilyHandle;
+import org.rocksdb.DBOptions;
+import org.rocksdb.Options;
+import org.rocksdb.ReadOptions;
+import org.rocksdb.RocksDB;
+import org.rocksdb.RocksDBException;
+import org.rocksdb.RocksIterator;
+
 /**
  * Class for a revertible RocksDB database: A RocksDB database where each set of applied changes can be undone.
  */
diff --git a/src/test/java/com/lbry/database/tests/PrefixTest.java b/src/test/java/com/lbry/database/tests/PrefixTest.java
new file mode 100644
index 0000000..848abfa
--- /dev/null
+++ b/src/test/java/com/lbry/database/tests/PrefixTest.java
@@ -0,0 +1,17 @@
+package com.lbry.database.tests;
+
+import com.lbry.database.Prefix;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class PrefixTest{
+
+    @Test
+    public void testDecodeEmptyJSON(){
+        assertEquals('K',Prefix.CLAIM_TO_SUPPORT.getValue());
+        assertEquals('L',Prefix.SUPPORT_TO_CLAIM.getValue());
+    }
+
+}
\ No newline at end of file