diff --git a/java_console/models/src/com/rusefi/core/test/EngineStateTest.java b/java_console/models/src/com/rusefi/core/test/EngineStateTest.java
index c8f969d82d..86e921750a 100644
--- a/java_console/models/src/com/rusefi/core/test/EngineStateTest.java
+++ b/java_console/models/src/com/rusefi/core/test/EngineStateTest.java
@@ -1,29 +1,16 @@
 package com.rusefi.core.test;
 
-import com.rusefi.core.SensorCentral;
 import com.rusefi.core.EngineState;
-import com.rusefi.io.LinkDecoder;
-import org.junit.Ignore;
 import org.junit.Test;
 
-import java.util.concurrent.atomic.AtomicInteger;
-
-import static com.rusefi.core.EngineState.SEPARATOR;
-import static junit.framework.Assert.*;
+import static junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertTrue;
 
 /**
  * @author Andrey Belomutskiy
  *         12/26/12
  */
 public class EngineStateTest {
-    @Test
-    public void packUnpack() {
-        String a = "rpm,100,";
-        String packed = EngineState.packString(a);
-        assertEquals("line:8:rpm,100,", packed);
-        assertEquals(a, LinkDecoder.TEXT_PROTOCOL_DECODER.unpack(packed));
-    }
-
     @Test
     public void startsWithIgnoreCase() {
         assertTrue(EngineState.startWithIgnoreCase("HELLO", "he"));
diff --git a/java_console/models/src/com/rusefi/io/LinkDecoder.java b/java_console/models/src/com/rusefi/io/LinkDecoder.java
index 17ee14972c..7d3af25af3 100644
--- a/java_console/models/src/com/rusefi/io/LinkDecoder.java
+++ b/java_console/models/src/com/rusefi/io/LinkDecoder.java
@@ -7,19 +7,9 @@ import com.rusefi.core.EngineState;
  * 6/20/2015.
  */
 public interface LinkDecoder {
-    LinkDecoder TEXT_PROTOCOL_DECODER = new LinkDecoder() {
-        @Override
-        public String unpack(String packet) {
-            return EngineState.unpackString(packet);
-        }
-    };
+    LinkDecoder VOID = new LinkDecoder() {};
 
-    LinkDecoder VOID = new LinkDecoder() {
-        @Override
-        public String unpack(String packet) {
-            return packet;
-        }
-    };
-
-    String unpack(String packet);
+    default String unpack(String packet) {
+        return packet;
+    }
 }