diff --git a/appveyor.yml b/appveyor.yml
index ea06295..5350e80 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -12,8 +12,8 @@ init:
         $env:Path += '\nC:\Rext\lib'
         $env:LIB_GSL = 'C:\Rext\lib'
 
-environment:
-  PATH: $PATH:C:\Rext\lib
+#environment:
+#  PATH: $PATH:C:\Rext\lib
 
 install:
   ps: Bootstrap
diff --git a/src/graphm/doc/graphm_doc.pdf b/src/graphm/doc/graphm_doc.pdf
deleted file mode 100644
index 8ed6a5e..0000000
Binary files a/src/graphm/doc/graphm_doc.pdf and /dev/null differ