diff --git a/src/protocol/http/org/apache/jmeter/protocol/http/sampler/HTTPHC4Impl.java b/src/protocol/http/org/apache/jmeter/protocol/http/sampler/HTTPHC4Impl.java
index 1eb4e8681f..eaeee55a8a 100644
--- a/src/protocol/http/org/apache/jmeter/protocol/http/sampler/HTTPHC4Impl.java
+++ b/src/protocol/http/org/apache/jmeter/protocol/http/sampler/HTTPHC4Impl.java
@@ -23,6 +23,7 @@ import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.io.UnsupportedEncodingException;
 import java.net.InetAddress;
 import java.net.URI;
 import java.net.URL;
@@ -52,7 +53,6 @@ import org.apache.http.auth.NTCredentials;
 import org.apache.http.auth.UsernamePasswordCredentials;
 import org.apache.http.client.CredentialsProvider;
 import org.apache.http.client.HttpClient;
-import org.apache.http.client.HttpRequestRetryHandler;
 import org.apache.http.client.entity.UrlEncodedFormEntity;
 import org.apache.http.client.methods.HttpDelete;
 import org.apache.http.client.methods.HttpEntityEnclosingRequestBase;
@@ -81,8 +81,6 @@ import org.apache.http.entity.mime.content.FileBody;
 import org.apache.http.entity.mime.content.StringBody;
 import org.apache.http.impl.client.AbstractHttpClient;
 import org.apache.http.impl.client.DefaultHttpClient;
-import org.apache.http.impl.client.DefaultHttpRequestRetryHandler;
-import org.apache.http.impl.client.RequestWrapper;
 import org.apache.http.message.BasicNameValuePair;
 import org.apache.http.params.BasicHttpParams;
 import org.apache.http.params.CoreConnectionPNames;