diff --git a/assignments/build.xml b/assignments/build.xml
index 0d34721a796d0f04a276f75c8b606601bd7ff1e1..a7d93fc88d00806f1ea2f28c79c6ce3102808f09 100644
--- a/assignments/build.xml
+++ b/assignments/build.xml
@@ -144,7 +144,7 @@ POSSIBILITY OF SUCH DAMAGE.
     <property name="javadoc.nonavbar"        value="false"/>
     <property name="javadoc.notree"          value="false"/>
     <property name="javadoc.private"         value="false"/>
-    <property name="javadoc.source"          value="${java.source}"/>
+<!--<property name="javadoc.source"          value="${java.source}"/>-->
     <property name="javadoc.splitindex"      value="true"/>
     <property name="javadoc.breakiterator"   value="true"/>
     <property name="javadoc.use"             value="true"/><!-- Create class and package usage pages -->
@@ -171,13 +171,13 @@ POSSIBILITY OF SUCH DAMAGE.
                      notree="${javadoc.notree}"
                      Overview="src/overview.html"
                      Private="${javadoc.private}"
-                     source="${java.source}"
                      Splitindex="${javadoc.splitindex}"
                      Use="${javadoc.use}" 
                      useexternalfile="yes"
                      verbose="true"
                      version="${javadoc.version}"
                      windowtitle="${javadoc.windowtitle}">
+                <!-- source="${java.source}" -->
             <classpath>
                 <pathelement location="../lib/opendis7-full.jar"/>
                 <pathelement location="../lib/open-dis_4.16.jar"/>
diff --git a/examples/build.xml b/examples/build.xml
index 31bdfd58879a38df1f4fb6905c378b780595ce27..c3edb7fd9fb2f56c7f074da12735b35b06b94bf2 100644
--- a/examples/build.xml
+++ b/examples/build.xml
@@ -148,7 +148,7 @@ POSSIBILITY OF SUCH DAMAGE.
     <property name="javadoc.nonavbar"        value="false"/>
     <property name="javadoc.notree"          value="false"/>
     <property name="javadoc.private"         value="false"/>
-    <property name="javadoc.source"          value="${java.source}"/>
+<!--<property name="javadoc.source"          value="${java.source}"/>-->
     <property name="javadoc.splitindex"      value="true"/>
     <property name="javadoc.breakiterator"   value="true"/>
     <property name="javadoc.use"             value="true"/><!-- Create class and package usage pages -->
@@ -176,13 +176,13 @@ POSSIBILITY OF SUCH DAMAGE.
                      notree="${javadoc.notree}"
                      Overview="src/overview.html"
                      Private="${javadoc.private}"
-                     source="${java.source}"
                      Splitindex="${javadoc.splitindex}"
                      Use="${javadoc.use}" 
                      useexternalfile="yes"
                      verbose="true"
                      version="${javadoc.version}"
                      windowtitle="${javadoc.windowtitle}">
+                <!-- source="${java.source}" -->
             <classpath>
                 <pathelement location="../lib/opendis7-full.jar"/>
                 <pathelement location="../lib/open-dis_4.16.jar"/>