diff --git a/core/src/main/java/org/teavm/model/MethodReference.java b/core/src/main/java/org/teavm/model/MethodReference.java
index d5ed4a70f..104e70fd1 100644
--- a/core/src/main/java/org/teavm/model/MethodReference.java
+++ b/core/src/main/java/org/teavm/model/MethodReference.java
@@ -162,13 +162,6 @@ public class MethodReference {
     }
 
     public String signatureToString() {
-        StringBuilder sb = new StringBuilder();
-        sb.append('(');
-        for (int i = 0; i < signature.length - 1; ++i) {
-            sb.append(signature[i].toString());
-        }
-        sb.append(')');
-        sb.append(signature[signature.length - 1]);
-        return sb.toString();
+        return getDescriptor().signatureToString();
     }
 }
diff --git a/tools/maven/plugin/src/main/java/org/teavm/maven/MavenSourceFileProviderLookup.java b/tools/maven/plugin/src/main/java/org/teavm/maven/MavenSourceFileProviderLookup.java
index f41b0eabd..a9b049a65 100644
--- a/tools/maven/plugin/src/main/java/org/teavm/maven/MavenSourceFileProviderLookup.java
+++ b/tools/maven/plugin/src/main/java/org/teavm/maven/MavenSourceFileProviderLookup.java
@@ -30,10 +30,6 @@ import org.teavm.tooling.sources.DirectorySourceFileProvider;
 import org.teavm.tooling.sources.JarSourceFileProvider;
 import org.teavm.tooling.sources.SourceFileProvider;
 
-/**
- *
- * @author Alexey Andreev
- */
 public class MavenSourceFileProviderLookup {
     private MavenProject mavenProject;
     private RepositorySystem repositorySystem;
diff --git a/tools/maven/plugin/src/main/java/org/teavm/maven/MavenTeaVMToolLog.java b/tools/maven/plugin/src/main/java/org/teavm/maven/MavenTeaVMToolLog.java
index 1208d4a25..df95cdfe8 100644
--- a/tools/maven/plugin/src/main/java/org/teavm/maven/MavenTeaVMToolLog.java
+++ b/tools/maven/plugin/src/main/java/org/teavm/maven/MavenTeaVMToolLog.java
@@ -18,10 +18,6 @@ package org.teavm.maven;
 import org.apache.maven.plugin.logging.Log;
 import org.teavm.tooling.TeaVMToolLog;
 
-/**
- *
- * @author Alexey Andreev
- */
 public class MavenTeaVMToolLog implements TeaVMToolLog {
     private Log log;
 
diff --git a/tools/maven/plugin/src/main/java/org/teavm/maven/MethodAliasArgument.java b/tools/maven/plugin/src/main/java/org/teavm/maven/MethodAliasArgument.java
deleted file mode 100644
index 9f8879921..000000000
--- a/tools/maven/plugin/src/main/java/org/teavm/maven/MethodAliasArgument.java
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- *  Copyright 2014 Alexey Andreev.
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-package org.teavm.maven;
-
-/**
- *
- * @author Alexey Andreev
- */
-public class MethodAliasArgument {
-
-}