diff --git a/plugins/org.eclipse.actf.ai.screenreader.jaws/src/org/eclipse/actf/ai/screenreader/jaws/Jaws.java b/plugins/org.eclipse.actf.ai.screenreader.jaws/src/org/eclipse/actf/ai/screenreader/jaws/Jaws.java
index 6740f4f..8a89823 100644
--- a/plugins/org.eclipse.actf.ai.screenreader.jaws/src/org/eclipse/actf/ai/screenreader/jaws/Jaws.java
+++ b/plugins/org.eclipse.actf.ai.screenreader.jaws/src/org/eclipse/actf/ai/screenreader/jaws/Jaws.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2007, 2008 IBM Corporation and Others
+ * Copyright (c) 2007, 2012 IBM Corporation and Others
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -12,10 +12,11 @@
 
 package org.eclipse.actf.ai.screenreader.jaws;
 
+import java.io.File;
+
 import org.eclipse.actf.ai.navigator.IScreenReaderControl;
 import org.eclipse.actf.ai.tts.ITTSEngine;
 import org.eclipse.actf.ai.voice.IVoiceEventListener;
-import org.eclipse.actf.model.ui.editor.browser.IWebBrowserACTF;
 
 /**
  * The implementation of ITTSEngine to use JAWS as voice engine.
@@ -167,5 +168,13 @@
 			return false;
 		return jaws.isAvailable();
 	}
+
+	public boolean canSpeakToFile() {
+		return false;
+	}
+
+	public boolean speakToFile(String text, File file) {
+		return false;
+	}
 	
 }
diff --git a/plugins/org.eclipse.actf.ai.screenreader.windoweyes/src/org/eclipse/actf/ai/screenreader/windoweyes/engine/GWSpeak.java b/plugins/org.eclipse.actf.ai.screenreader.windoweyes/src/org/eclipse/actf/ai/screenreader/windoweyes/engine/GWSpeak.java
index 623f039..0bfde57 100644
--- a/plugins/org.eclipse.actf.ai.screenreader.windoweyes/src/org/eclipse/actf/ai/screenreader/windoweyes/engine/GWSpeak.java
+++ b/plugins/org.eclipse.actf.ai.screenreader.windoweyes/src/org/eclipse/actf/ai/screenreader/windoweyes/engine/GWSpeak.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2007, 2008 IBM Corporation and Others
+ * Copyright (c) 2007, 2012 IBM Corporation and Others
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -12,6 +12,8 @@
 
 package org.eclipse.actf.ai.screenreader.windoweyes.engine;
 
+import java.io.File;
+
 import org.eclipse.actf.ai.tts.ITTSEngine;
 import org.eclipse.actf.ai.voice.IVoiceEventListener;
 import org.eclipse.actf.util.win32.COMUtil;
@@ -200,4 +202,12 @@
 		return isDisposed;
 	}
 
+	public boolean canSpeakToFile() {
+		return false;
+	}
+
+	public boolean speakToFile(String text, File file) {
+		return false;
+	}
+
 }
diff --git a/plugins/org.eclipse.actf.ai.tts.msp/src/org/eclipse/actf/ai/tts/msp/engine/MspVoice.java b/plugins/org.eclipse.actf.ai.tts.msp/src/org/eclipse/actf/ai/tts/msp/engine/MspVoice.java
index 92c9d98..f34d3b4 100644
--- a/plugins/org.eclipse.actf.ai.tts.msp/src/org/eclipse/actf/ai/tts/msp/engine/MspVoice.java
+++ b/plugins/org.eclipse.actf.ai.tts.msp/src/org/eclipse/actf/ai/tts/msp/engine/MspVoice.java
@@ -397,12 +397,10 @@
 		return isDisposed;
 	}
 
-	@Override
 	public boolean canSpeakToFile() {
 		return true;
 	}
 
-	@Override
 	public boolean speakToFile(String text, File file) {
 		int pv = COMUtil.createDispatch(IID_SpFileStream);
 		OleAutomation autoSpFileStream = null;
diff --git a/plugins/org.eclipse.actf.ai.tts.sapi/src/org/eclipse/actf/ai/tts/sapi/engine/SapiVoice.java b/plugins/org.eclipse.actf.ai.tts.sapi/src/org/eclipse/actf/ai/tts/sapi/engine/SapiVoice.java
index a08eebe..c009707 100644
--- a/plugins/org.eclipse.actf.ai.tts.sapi/src/org/eclipse/actf/ai/tts/sapi/engine/SapiVoice.java
+++ b/plugins/org.eclipse.actf.ai.tts.sapi/src/org/eclipse/actf/ai/tts/sapi/engine/SapiVoice.java
@@ -397,12 +397,10 @@
 		return isDisposed;
 	}
 
-	@Override
 	public boolean canSpeakToFile() {
 		return true;
 	}
 
-	@Override
 	public boolean speakToFile(String text, File file) {
 		int pv = COMUtil.createDispatch(IID_SpFileStream);
 		OleAutomation autoSpFileStream = null;