diff --git a/pdfparanoia/parser.py b/pdfparanoia/parser.py
index 846008b..5fe2420 100644
--- a/pdfparanoia/parser.py
+++ b/pdfparanoia/parser.py
@@ -16,6 +16,7 @@ except ImportError: # py3k
 # from pdfquery import PDFQuery
 
 import pdfminer.pdfparser
+import pdfminer.pdfdocument
 
 from .eraser import replace_object_with
 
@@ -28,9 +29,7 @@ def parse_pdf(handler):
 
     # setup for parsing
     parser = pdfminer.pdfparser.PDFParser(handler)
-    doc = pdfminer.pdfparser.PDFDocument()
-    parser.set_document(doc)
-    doc.set_parser(parser)
+    doc = pdfminer.pdfdocument.PDFDocument(parser)
 
     # actual parsing
     doc.initialize()
@@ -58,8 +57,7 @@ def deflate(content):
     pdf = parse_content(content)
 
     # get a list of all object ids
-    xrefs = pdf._parser.read_xref()
-    xref = xrefs[0]
+    xref = pdf.xrefs[0]
     objids = xref.get_objids()
 
     # store new replacements
diff --git a/pdfparanoia/plugins/aip.py b/pdfparanoia/plugins/aip.py
index 9e93e71..e824b38 100644
--- a/pdfparanoia/plugins/aip.py
+++ b/pdfparanoia/plugins/aip.py
@@ -25,8 +25,7 @@ class AmericanInstituteOfPhysics(Plugin):
         pdf = parse_content(content)
 
         # get a list of all object ids
-        xrefs = pdf._parser.read_xref()
-        xref = xrefs[0]
+        xref = pdf.xrefs[0]
         objids = xref.get_objids()
 
         # check each object in the pdf
diff --git a/pdfparanoia/plugins/ieee.py b/pdfparanoia/plugins/ieee.py
index 4acb9d6..f8c22bf 100644
--- a/pdfparanoia/plugins/ieee.py
+++ b/pdfparanoia/plugins/ieee.py
@@ -22,8 +22,7 @@ class IEEEXplore(Plugin):
         pdf = parse_content(content)
 
         # get a list of all object ids
-        xrefs = pdf._parser.read_xref()
-        xref = xrefs[0]
+        xref = pdf.xrefs[0]
         objids = xref.get_objids()
 
         # check each object in the pdf
diff --git a/pdfparanoia/plugins/jstor.py b/pdfparanoia/plugins/jstor.py
index 0ca971d..abb2d28 100644
--- a/pdfparanoia/plugins/jstor.py
+++ b/pdfparanoia/plugins/jstor.py
@@ -44,8 +44,7 @@ class JSTOR(Plugin):
         pdf = parse_content(content)
 
         # get a list of all object ids
-        xrefs = pdf._parser.read_xref()
-        xref = xrefs[0]
+        xref = pdf.xrefs[0]
         objids = xref.get_objids()
 
         # check each object in the pdf
diff --git a/pdfparanoia/plugins/rsc.py b/pdfparanoia/plugins/rsc.py
index 524fc32..3125ae5 100644
--- a/pdfparanoia/plugins/rsc.py
+++ b/pdfparanoia/plugins/rsc.py
@@ -42,8 +42,7 @@ class RoyalSocietyOfChemistry(Plugin):
             pdf = parse_content(content)
 
             # get a list of all object ids
-            xrefs = pdf._parser.read_xref()
-            xref = xrefs[0]
+            xref = pdf.xrefs[0]
             objids = xref.get_objids()
 
             # check each object in the pdf
diff --git a/pdfparanoia/plugins/sciencemagazine.py b/pdfparanoia/plugins/sciencemagazine.py
index 32c25eb..b4e5c5c 100644
--- a/pdfparanoia/plugins/sciencemagazine.py
+++ b/pdfparanoia/plugins/sciencemagazine.py
@@ -27,8 +27,7 @@ class ScienceMagazine(Plugin):
         pdf = parse_content(content)
 
         # get a list of all object ids
-        xrefs = pdf._parser.read_xref()
-        xref = xrefs[0]
+        xref = pdf.xrefs[0]
         objids = xref.get_objids()
 
         # check each object in the pdf