Index: /FCKeditor.Java/branches/2.6.x/java-core/src/main/java/net/fckeditor/connector/Dispatcher.java
===================================================================
--- /FCKeditor.Java/branches/2.6.x/java-core/src/main/java/net/fckeditor/connector/Dispatcher.java	(revision 4153)
+++ /FCKeditor.Java/branches/2.6.x/java-core/src/main/java/net/fckeditor/connector/Dispatcher.java	(revision 4154)
@@ -259,6 +259,5 @@
 				logger.debug("Parameter NewFile: {}", fileName);
 				// check the extension
-				if (type.isNotAllowedExtension(FilenameUtils
-						.getExtension(fileName)))
+				if (type.isDeniedExtension(FilenameUtils.getExtension(fileName)))
 					uploadResponse = UploadResponse.getInvalidFileTypeError();
 				// Secure image check (can't be done if QuickUpload)
Index: /FCKeditor.Java/branches/2.6.x/java-core/src/main/java/net/fckeditor/handlers/ResourceType.java
===================================================================
--- /FCKeditor.Java/branches/2.6.x/java-core/src/main/java/net/fckeditor/handlers/ResourceType.java	(revision 4153)
+++ /FCKeditor.Java/branches/2.6.x/java-core/src/main/java/net/fckeditor/handlers/ResourceType.java	(revision 4154)
@@ -258,21 +258,4 @@
 
 	/**
-	 * This method wraps {@link #isAllowedExtension(String)}. It simply negates
-	 * the return value.
-	 * 
-	 * @deprecated Method will be removed in FCKeditor.Java 2.6, use
-	 *             {@link #isDeniedExtension(String)}.
-	 * @see #isDeniedExtension(String)
-	 * @param extension
-	 *            Extension string.
-	 * @return <code>true</code> if extension is not fails, else
-	 *         <code>false</code>.
-	 */
-	@Deprecated
-	public boolean isNotAllowedExtension(final String extension) {
-		return !isAllowedExtension(extension);
-	}
-
-	/**
 	 * Returns <code>true</code> if extension is denied. This method simply
 	 * negates {@link #isAllowedExtension(String)}.