diff --git a/data/pptx/docProps/thumbnail.jpeg b/data/pptx/docProps/thumbnail.jpeg
deleted file mode 100644
index 07aa48f19..000000000
Binary files a/data/pptx/docProps/thumbnail.jpeg and /dev/null differ
diff --git a/pandoc.cabal b/pandoc.cabal
index 874dddbc7..e656e451c 100644
--- a/pandoc.cabal
+++ b/pandoc.cabal
@@ -102,7 +102,6 @@ data-files:
                  data/odt/META-INF/manifest.xml
                  -- source files for reference.pptx
                  data/pptx/_rels/.rels
-                 data/pptx/docProps/thumbnail.jpeg
                  data/pptx/docProps/app.xml
                  data/pptx/docProps/core.xml
                  data/pptx/ppt/slideLayouts/_rels/slideLayout1.xml.rels