diff --git a/introspection.patch b/introspection.patch
new file mode 100644
index 0000000..fe9f121
--- /dev/null
+++ b/introspection.patch
@@ -0,0 +1,42 @@
+diff -up polkit-0.98/src/polkit/polkitcheckauthorizationflags.h.introspection polkit-0.98/src/polkit/polkitcheckauthorizationflags.h
+--- polkit-0.98/src/polkit/polkitcheckauthorizationflags.h.introspection	2010-11-12 23:07:10.037719001 -0500
++++ polkit-0.98/src/polkit/polkitcheckauthorizationflags.h	2010-11-12 23:07:18.055719011 -0500
+@@ -30,10 +30,6 @@
+ 
+ G_BEGIN_DECLS
+ 
+-GType polkit_check_authorization_flags_get_type (void) G_GNUC_CONST;
+-
+-#define POLKIT_TYPE_CHECK_AUTHORIZATION_FLAGS (polkit_check_authorization_flags_get_type ())
+-
+ /**
+  * PolkitCheckAuthorizationFlags:
+  * @POLKIT_CHECK_AUTHORIZATION_FLAGS_NONE: No flags set.
+diff -up polkit-0.98/src/polkit/polkiterror.h.introspection polkit-0.98/src/polkit/polkiterror.h
+--- polkit-0.98/src/polkit/polkiterror.h.introspection	2010-11-12 23:06:47.342719007 -0500
++++ polkit-0.98/src/polkit/polkiterror.h	2010-11-12 23:06:57.050719001 -0500
+@@ -40,10 +40,6 @@ G_BEGIN_DECLS
+ 
+ GQuark polkit_error_quark (void);
+ 
+-GType polkit_error_get_type (void) G_GNUC_CONST;
+-
+-#define POLKIT_TYPE_ERROR (polkit_error_get_type ())
+-
+ /**
+  * PolkitError:
+  * @POLKIT_ERROR_FAILED: The operation failed.
+diff -up polkit-0.98/src/polkit/polkitimplicitauthorization.h.introspection polkit-0.98/src/polkit/polkitimplicitauthorization.h
+--- polkit-0.98/src/polkit/polkitimplicitauthorization.h.introspection	2010-11-12 23:06:31.200718998 -0500
++++ polkit-0.98/src/polkit/polkitimplicitauthorization.h	2010-11-12 23:06:38.136719001 -0500
+@@ -30,10 +30,6 @@
+ 
+ G_BEGIN_DECLS
+ 
+-GType polkit_implicit_authorization_get_type (void) G_GNUC_CONST;
+-
+-#define POLKIT_TYPE_IMPLICIT_AUTHORIZATION (polkit_implicit_authorization_get_type ())
+-
+ /**
+  * PolkitImplicitAuthorization:
+  * @POLKIT_IMPLICIT_AUTHORIZATION_UNKNOWN: Unknown whether the subject is authorized, never returned in any public API.