diff --git a/src/main/org/apache/tools/ant/taskdefs/defaults.properties b/src/main/org/apache/tools/ant/taskdefs/defaults.properties
index e48618843..a4b403387 100644
--- a/src/main/org/apache/tools/ant/taskdefs/defaults.properties
+++ b/src/main/org/apache/tools/ant/taskdefs/defaults.properties
@@ -81,7 +81,6 @@ macrodef=org.apache.tools.ant.taskdefs.MacroDef
 nice=org.apache.tools.ant.taskdefs.Nice
 libraries=org.apache.tools.ant.taskdefs.repository.Libraries
 length=org.apache.tools.ant.taskdefs.Length
-clone=org.apache.tools.ant.taskdefs.Clone
 diagnostics=org.apache.tools.ant.taskdefs.DiagnosticsTask
 
 # optional tasks