diff --git a/libraries/tools/kotlin-gradle-plugin-core/pom.xml b/libraries/tools/kotlin-gradle-plugin-core/pom.xml
index 7179bbcdebd..46f6492dee2 100644
--- a/libraries/tools/kotlin-gradle-plugin-core/pom.xml
+++ b/libraries/tools/kotlin-gradle-plugin-core/pom.xml
@@ -21,10 +21,9 @@
 
     <dependencies>
         <dependency>
-            <groupId>com.android.tools.build</groupId>
-            <artifactId>gradle</artifactId>
-            <version>0.4.2</version>
-            <scope>provided</scope>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>2.4</version>
         </dependency>
         <dependency>
             <groupId>org.jetbrains.kotlin</groupId>
@@ -32,21 +31,6 @@
             <version>${project.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-        	<groupId>commons-lang</groupId>
-        	<artifactId>commons-lang</artifactId>
-        	<version>2.3</version>
-        </dependency>
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-            <version>12.0</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.directory.studio</groupId>
-            <artifactId>org.apache.commons.io</artifactId>
-            <version>2.4</version>
-        </dependency>
         <dependency>
             <groupId>org.jetbrains.kotlin</groupId>
             <artifactId>gradle-api</artifactId>
@@ -73,12 +57,6 @@
             <artifactId>kotlin-stdlib</artifactId>
             <version>${project.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.codehaus.gmaven</groupId>
-            <artifactId>gmaven-plugin</artifactId>
-            <version>1.5</version>
-            <scope>provided</scope>
-        </dependency>
     </dependencies>
 
 
@@ -102,32 +80,6 @@
         </resources>
 
         <plugins>
-            <plugin>
-                <groupId>org.codehaus.gmaven</groupId>
-                <artifactId>gmaven-plugin</artifactId>
-                <version>1.5</version>
-                <configuration>
-                    <providerSelection>2.0</providerSelection>
-                    <source/>
-                </configuration>
-                <executions>
-                    <execution>
-                        <phase>process-sources</phase>
-                        <goals> <goal>compile</goal></goals>
-                        <configuration>
-                            <sources>
-                                <fileset>
-                                    <directory>${project.basedir}/src/main/kotlin</directory>
-                                    <includes>
-                                        <include>**/*.groovy</include>
-                                    </includes>
-                                </fileset>
-                            </sources>
-                            <outputDirectory>${project.build.outputDirectory}/../groovyOutput</outputDirectory>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
             <plugin>
                 <artifactId>kotlin-maven-plugin</artifactId>
                 <groupId>org.jetbrains.kotlin</groupId>
@@ -143,12 +95,6 @@
                         <id>compile</id>
                         <phase>compile</phase>
                         <goals> <goal>compile</goal> </goals>
-                        <configuration>
-                            <sourceDirs>
-                                <sourceDir>${project.basedir}/src/main/kotlin</sourceDir>
-                                <sourceDir>${project.build.outputDirectory}/../groovyOutput</sourceDir>
-                            </sourceDirs>
-                        </configuration>
                     </execution>
 
                     <execution>
diff --git a/libraries/tools/kotlin-gradle-plugin-core/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt b/libraries/tools/kotlin-gradle-plugin-core/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt
index 46e53f5362a..717b1399f98 100644
--- a/libraries/tools/kotlin-gradle-plugin-core/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt
+++ b/libraries/tools/kotlin-gradle-plugin-core/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt
@@ -20,7 +20,6 @@ import org.gradle.api.logging.Logger
 import org.gradle.api.logging.Logging
 import org.apache.commons.lang.StringUtils
 import org.apache.commons.io.FileUtils
-import org.jetbrains.kotlin.gradle.plugin.*
 import org.gradle.api.Project
 import org.jetbrains.jet.config.Services
 import org.jetbrains.jet.cli.js.K2JSCompiler
@@ -32,6 +31,7 @@ import com.intellij.ide.highlighter.JavaFileType
 import org.jetbrains.jet.plugin.JetFileType
 import org.jetbrains.jet.utils.LibraryUtils
 
+val DEFAULT_ANNOTATIONS = "org.jebrains.kotlin.gradle.defaultAnnotations"
 
 abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractCompile() {
     abstract protected val compiler: CLICompiler<T>
@@ -159,11 +159,9 @@ public open class KotlinCompile() : AbstractKotlinCompile<K2JVMCompilerArguments
     }
 
     fun findSrcDirRoot(file: File): File? {
-        val absPath = file.getAbsolutePath()
         for (source in srcDirsSources) {
             for (root in source.getSrcDirs()) {
-                val rootAbsPath = root.getAbsolutePath()
-                if (FilenameUtils.directoryContains(rootAbsPath, absPath)) {
+                if (FileUtils.directoryContains(root, file)) {
                     return root
                 }
             }
diff --git a/libraries/tools/kotlin-gradle-plugin/pom.xml b/libraries/tools/kotlin-gradle-plugin/pom.xml
index 9557784c86c..0776bbd157a 100644
--- a/libraries/tools/kotlin-gradle-plugin/pom.xml
+++ b/libraries/tools/kotlin-gradle-plugin/pom.xml
@@ -30,10 +30,16 @@
             <artifactId>kotlin-js-library</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.android.tools.build</groupId>
+            <artifactId>gradle</artifactId>
+            <version>0.4.2</version>
+            <scope>provided</scope>
+        </dependency>
         <dependency>
           <groupId>org.jetbrains.kotlin</groupId>
           <artifactId>gradle-api</artifactId>
-          <version>1.4</version>
+          <version>1.6</version>
           <scope>provided</scope>
         </dependency>
         <dependency>
@@ -78,6 +84,12 @@
                         <id>compile</id>
                         <phase>compile</phase>
                         <goals> <goal>compile</goal> </goals>
+                        <configuration>
+                            <sourceDirs>
+                                <sourceDir>${project.basedir}/src/main/kotlin</sourceDir>
+                                <sourceDir>${project.build.outputDirectory}/../groovyOutput</sourceDir>
+                            </sourceDirs>
+                        </configuration>
                     </execution>
 
                     <execution>
@@ -124,6 +136,32 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.codehaus.gmaven</groupId>
+                <artifactId>gmaven-plugin</artifactId>
+                <version>1.5</version>
+                <configuration>
+                    <providerSelection>2.0</providerSelection>
+                    <source/>
+                </configuration>
+                <executions>
+                    <execution>
+                        <phase>process-sources</phase>
+                        <goals> <goal>compile</goal></goals>
+                        <configuration>
+                            <sources>
+                                <fileset>
+                                    <directory>${project.basedir}/src/main/kotlin</directory>
+                                    <includes>
+                                        <include>**/*.groovy</include>
+                                    </includes>
+                                </fileset>
+                            </sources>
+                            <outputDirectory>${project.build.outputDirectory}/../groovyOutput</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>