diff --git a/macbuild/Resources/Info.plist.template b/macbuild/Resources/Info.plist.template
index 65fa6d47a..98a281edb 100644
--- a/macbuild/Resources/Info.plist.template
+++ b/macbuild/Resources/Info.plist.template
@@ -26,6 +26,8 @@
         <key>CFBundleTypeExtensions</key>
         <array>
           <string>gds</string>
+          <string>gds2</string>
+          <string>oas</string>
         </array>
         <key>CFBundleTypeRole</key>
         <string>Editor</string>
diff --git a/macbuild/build4mac_env.pyc b/macbuild/build4mac_env.pyc
deleted file mode 100644
index 906f510e1..000000000
Binary files a/macbuild/build4mac_env.pyc and /dev/null differ
diff --git a/macbuild/build4mac_util.pyc b/macbuild/build4mac_util.pyc
deleted file mode 100644
index e1194a0e0..000000000
Binary files a/macbuild/build4mac_util.pyc and /dev/null differ