diff --git a/pdf2xml.dtd b/pdf2xml.dtd
index d8a7e86..92c11ec 100644
--- a/pdf2xml.dtd
+++ b/pdf2xml.dtd
@@ -4,8 +4,6 @@
 <!ELEMENT text (#PCDATA)>
 
 <!ATTLIST page
-    top CDATA #REQUIRED
-    left CDATA #REQUIRED
     width CDATA #REQUIRED
     height CDATA #REQUIRED
     number CDATA #REQUIRED
diff --git a/src/org/crossref/pdf2xml/TextExtractor.java b/src/org/crossref/pdf2xml/TextExtractor.java
index 0f1b7e6..e36af4b 100644
--- a/src/org/crossref/pdf2xml/TextExtractor.java
+++ b/src/org/crossref/pdf2xml/TextExtractor.java
@@ -169,8 +169,6 @@ public String toXml() {
 			for (Page page : previousPages) {
 				Element pageEle = doc.createElement("page");
 				PDRectangle cb = page.getClipBox();
-				pageEle.setAttribute("top", String.valueOf(cb.getUpperRightY()));
-				pageEle.setAttribute("left", String.valueOf(cb.getLowerLeftX()));
 				pageEle.setAttribute("width", String.valueOf(cb.getWidth()));
 				pageEle.setAttribute("height", String.valueOf(cb.getHeight()));
 				pageEle.setAttribute("number", String.valueOf(page.getNumber()));