diff --git a/module-client/src/main/java/org/apache/http/client/params/HttpClientParams.java b/module-client/src/main/java/org/apache/http/client/params/HttpClientParams.java
index 39be0b4ef..d1ce16cd3 100644
--- a/module-client/src/main/java/org/apache/http/client/params/HttpClientParams.java
+++ b/module-client/src/main/java/org/apache/http/client/params/HttpClientParams.java
@@ -43,126 +43,6 @@ import org.apache.http.params.HttpParams;
  */
 public class HttpClientParams {
 
-    /**
-     * Defines the timeout in milliseconds used when retrieving an instance of 
-     * {@link org.apache.http.conn.ManagedClientConnection} from the
-     * {@link org.apache.http.conn.ClientConnectionManager}.
-     * <p>
-     * This parameter expects a value of type {@link Long}.
-     * </p>
-     */ 
-    public static final String xxxCONNECTION_MANAGER_TIMEOUT = "http.connection-manager.timeout"; 
-
-    /**
-     * Defines the class name of the default {@link org.apache.http.conn.ClientConnectionManager}
-     * <p>
-     * This parameter expects a value of type {@link String}.
-     * </p>
-     */ 
-    public static final String xxxCONNECTION_MANAGER_FACTORY = "http.connection-manager.factory"; 
-
-    /** 
-     * Defines whether redirects should be handled automatically
-     * <p>
-     * This parameter expects a value of type {@link Boolean}.
-     * </p>
-     */
-    public static final String xxxHANDLE_REDIRECTS = "http.protocol.handle-redirects";
-
-    /**
-     * Defines whether relative redirects should be rejected.
-     * <p>
-     * This parameter expects a value of type {@link Boolean}.
-     * </p>
-     */
-    public static final String xxxREJECT_RELATIVE_REDIRECT = "http.protocol.reject-relative-redirect"; 
-
-    /** 
-     * Defines the maximum number of redirects to be followed. 
-     * The limit on number of redirects is intended to prevent infinite loops. 
-     * <p>
-     * This parameter expects a value of type {@link Integer}.
-     * </p>
-     */
-    public static final String xxxMAX_REDIRECTS = "http.protocol.max-redirects";
-
-    /** 
-     * Defines whether circular redirects (redirects to the same location) should be allowed. 
-     * The HTTP spec is not sufficiently clear whether circular redirects are permitted, 
-     * therefore optionally they can be enabled
-     * <p>
-     * This parameter expects a value of type {@link Boolean}.
-     * </p>
-     */
-    public static final String xxxALLOW_CIRCULAR_REDIRECTS = "http.protocol.allow-circular-redirects";
-
-    /**
-     * Defines whether authentication should be handled automatically.
-     * <p>
-     * This parameter expects a value of type {@link Boolean}.
-     * </p>
-     */
-    public static final String xxxHANDLE_AUTHENTICATION = "http.protocol.handle-authentication";
-
-    /**
-     * Defines whether authentication should be attempted preemptively.
-     * <p>
-     * This parameter expects a value of type {@link Boolean}.
-     * </p>
-     */
-    public static final String xxxPREEMPTIVE_AUTHENTICATION = "http.protocol.authentication-preemptive";
-
-    /**
-     * The key used to look up the list of IDs of supported
-     * {@link AuthPolicy authentication schemes} in their order of preference.
-     * The scheme IDs are stored in a {@link java.util.Collection} as
-     * instances of {@link java.lang.String}.
-     * 
-     * <p>
-     * If several schemes are returned in the <tt>WWW-Authenticate</tt> 
-     * or <tt>Proxy-Authenticate</tt> header, this parameter defines which
-     * {@link AuthPolicy authentication schemes} takes precedence over others.
-     * The first item in the collection represents the most preferred 
-     * {@link AuthPolicy authentication scheme}, the last item represents
-     * the ID of the least preferred one.
-     * </p>
-     */
-    public static final String xxxAUTH_SCHEME_PRIORITY = "http.protocol-auth-scheme-priority";
-
-    /**
-     * Defines the name of the cookie specification to be used for HTTP state management.
-     * <p>
-     * This parameter expects a value of type {@link String}.
-     * </p>
-     */
-    public static final String xxxCOOKIE_POLICY = "http.protocol.cookie-policy";
-    
-    /**
-     * Defines the virtual host name.
-     * <p>
-     * This parameter expects a value of type {@link org.apache.http.HttpHost}. 
-     * </p>
-     */
-    public static final String xxxVIRTUAL_HOST = "http.virtual-host"; 
-
-    /**
-     * Defines the request headers to be sent per default with each request.
-     * <p>
-     * This parameter expects a value of type {@link java.util.Collection}. The 
-     * collection is expected to contain {@link org.apache.http.Header}s. 
-     * </p>
-     */
-    public static final String xxxDEFAULT_HEADERS = "http.default-headers"; 
-    
-    /**
-     * Defines the default host. The default value will be used if the target host is
-     * not explicitly specified in the request URI.
-     * <p>
-     * This parameter expects a value of type {@link org.apache.http.HttpHost}.
-     * </p>
-     */
-    public static final String xxxDEFAULT_HOST = "http.default-host";
-
     private HttpClientParams() {
         super();
     }