diff --git a/ethereumj-core/src/test/java/org/ethereum/db/InMemoryBlockStoreTest.java b/ethereumj-core/src/test/java/org/ethereum/db/InMemoryBlockStoreTest.java
index ab32cff7..36202dad 100644
--- a/ethereumj-core/src/test/java/org/ethereum/db/InMemoryBlockStoreTest.java
+++ b/ethereumj-core/src/test/java/org/ethereum/db/InMemoryBlockStoreTest.java
@@ -1,6 +1,7 @@
 package org.ethereum.db;
 
 import org.ethereum.core.Block;
+import org.h2.engine.Session;
 import org.hibernate.SessionFactory;
 import org.junit.Before;
 import org.junit.Ignore;
@@ -259,4 +260,9 @@ public class InMemoryBlockStoreTest extends AbstractInMemoryBlockStoreTest {
         blockStore.flush();
     }
 
+    private SessionFactory sessionFactory() {
+
+        return null;
+    }
+
 }
diff --git a/ethereumj-core/src/test/java/org/ethereum/di/modules/TestEthereumModule.java b/ethereumj-core/src/test/java/org/ethereum/di/modules/TestEthereumModule.java
index b6d937f8..c8f15e4e 100644
--- a/ethereumj-core/src/test/java/org/ethereum/di/modules/TestEthereumModule.java
+++ b/ethereumj-core/src/test/java/org/ethereum/di/modules/TestEthereumModule.java
@@ -130,8 +130,8 @@ public class TestEthereumModule {
     }
 
     @Provides
-    ShhHandler provideShhHandler(EthereumListener listener) {
-        return new ShhHandler(listener);
+    ShhHandler provideShhHandler(WorldManager worldManager) {
+        return new ShhHandler(worldManager);
     }
 
     @Provides