diff -uNr freecol-1.1.0.orig/build.xml freecol-1.1.0/build.xml
--- freecol-1.1.0.orig/build.xml	2023-05-07 12:51:32.000000000 +0200
+++ freecol-1.1.0/build.xml	2023-10-01 12:51:58.468000000 +0200
@@ -165,14 +165,9 @@
 
     <target name="manifest" depends="git-revision"
             description="Creates the Manifest file.">
-        <manifestclasspath property="jar.classpath"
-                           jarfile="Freecol.jar">
-            <classpath refid="libraries.classpath" />
-        </manifestclasspath>
         <manifest file="${basedir}/src/MANIFEST.MF">
             <attribute name="Created-By" value="FreeCol Team"/>
             <attribute name="Main-Class" value="${freecol.main.class}"/>
-            <attribute name="Class-Path" value="${jar.classpath}"/>
             <attribute name="Product-Name" value="FreeCol"/>
             <attribute name="Package-Title" value="FreeCol"/>
             <attribute name="Package-Version" value="${FreeCol.Revision}"/>