diff --git a/README b/README
index 15d175d3..e8f2f4f5 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
 ModemManager.
-The porblem ModemManager tries to solve is to provide a unified high level API
+The problem ModemManager tries to solve is to provide a unified high level API
 for communicating with (mobile broadband) modems. While the basic commands are
 standardized, the more advanced operations (like signal quality monitoring 
 while connected) varies a lot.
diff --git a/introspection/mm-modem-gsm-mbm.xml b/introspection/mm-modem-gsm-mbm.xml
deleted file mode 100644
index 1d3de06e..00000000
--- a/introspection/mm-modem-gsm-mbm.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-
-<node name="/" xmlns:tp="http://telepathy.freedesktop.org/wiki/DbusSpec#extensions-v0">
-  <interface name="org.freedesktop.ModemManager.Modem.Gsm.Mbm">
-    <property name="NetworkDevice" type="s" access="read">
-      <tp:docstring>
-       The network device.
-      </tp:docstring>
-    </property>
-
-  </interface>
-</node>
diff --git a/org.freedesktop.ModemManager.conf b/org.freedesktop.ModemManager.conf
index a4af7a93..5d62d7a9 100644
--- a/org.freedesktop.ModemManager.conf
+++ b/org.freedesktop.ModemManager.conf
@@ -2,18 +2,13 @@
  "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
  "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
 <busconfig>
-	<policy user="root">
-		<allow own="org.freedesktop.ModemManager"/>
+  <policy context="default">
+    <allow send_destination="org.freedesktop.ModemManager"/>
+  </policy>
 
-		<allow send_destination="org.freedesktop.ModemManager"/>
-		<allow send_interface="org.freedesktop.ModemManager"/>
-	</policy>
-	<policy context="default">
-		<deny own="org.freedesktop.ModemManager"/>
+  <policy user="root">
+    <allow own="org.freedesktop.ModemManager"/>
+  </policy>
 
-		<allow send_destination="org.freedesktop.ModemManager"/>
-		<allow send_interface="org.freedesktop.ModemManager"/>
-	</policy>
-
-        <limit name="max_replies_per_connection">512</limit>
+  <limit name="max_replies_per_connection">512</limit>
 </busconfig>