diff --git a/ChangeLog b/ChangeLog
index 16dbefad12..f186a2c3a3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2005-11-30  Edward Hervey  <edward@fluendo.com>
+
+	* configure.ac:
+	* gst/Makefile.am:
+	gst-interfaces-0.9.pc is no more, update to new use
+	* testsuite/test_element.py:
+	Fix for queue modification
+
 2005-11-30  Edward Hervey  <edward@fluendo.com>
 
 	* gst/gst-types.defs:
diff --git a/common b/common
index 8db4c613eb..f9f5f06372 160000
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit 8db4c613eb1aa57dc21d25a4b83b36e3cdedc5ca
+Subproject commit f9f5f063728688cf455a1512d492b632c43963d7
diff --git a/configure.ac b/configure.ac
index 973e8ce99d..3d6252796d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -113,14 +113,6 @@ dnl PYGTK_CODEGEN="$PYTHON \$(top_srcdir)/codegen/codegen.py"
 AC_SUBST(PYGTK_CODEGEN)
 AC_MSG_RESULT($PYGTK_CODEGEN)
 
-dnl Interfaces
-AC_MSG_CHECKING(for GStreamer interfaces include dir)
-PKG_CHECK_MODULES(GST_INTERFACES, gstreamer-plugins-base-$GST_MAJORMINOR,
-                  HAVE_INTERFACES=yes,HAVE_INTERFACES=no)
-AM_CONDITIONAL(BUILD_INTERFACES, test "x$HAVE_INTERFACES" = "xyes")
-AC_SUBST(GST_INTERFACES_CFLAGS)
-AC_SUBST(GST_INTERFACES_LIBS)
-
 dnl decide on error flags
 dnl if we support -Wall, set it unconditionally
 AS_COMPILER_FLAG(-Wall,
diff --git a/gst/Makefile.am b/gst/Makefile.am
index b58f02a9b6..42247e9ff7 100644
--- a/gst/Makefile.am
+++ b/gst/Makefile.am
@@ -11,11 +11,7 @@ pygst_PYTHON = __init__.py
 pygstexecdir = $(pkgpyexecdir)
 pygstexec_LTLIBRARIES = _gst.la $(interface_lib)
 
-if BUILD_INTERFACES
 interface_lib = interfaces.la
-else
-interface_lib =
-endif
 
 defs_DATA = gst-types.defs \
 	gst-extrafuncs.defs \
@@ -67,9 +63,9 @@ EXTRA_DIST += $(GST_DEFS) $(GST_OVERRIDES)
 gst.c: $(GST_DEFS) $(GST_OVERRIDES) $(GEN_FILES)
 
 # GStreamer interfaces bindings
-interfaces_la_CFLAGS = $(common_cflags) $(GST_INTERFACES_CFLAGS) 
-interfaces_la_LIBADD = $(common_libadd) $(GST_INTERFACES_LIBS) -lgstinterfaces-0.9 
-interfaces_la_LDFLAGS = $(common_ldflags) -export-symbols-regex initinterface
+interfaces_la_CFLAGS = $(common_cflags) $(GST_BASE_CFLAGS)
+interfaces_la_LIBADD = $(common_libadd) -lgstinterfaces-0.9 
+interfaces_la_LDFLAGS = $(common_ldflags) -export-symbols-regex initinterface $(GST_BASE_LIBS)
 interfaces_la_SOURCES = interfacesmodule.c
 nodist_interfaces_la_SOURCES = interfaces.c
 INTERFACES_OVERRIDES = interfaces.override xoverlay.override
diff --git a/testsuite/test_element.py b/testsuite/test_element.py
index a1b882644b..a33fa525d8 100644
--- a/testsuite/test_element.py
+++ b/testsuite/test_element.py
@@ -204,7 +204,6 @@ class QueryTest(TestCase):
 class QueueTest(TestCase):
     def testConstruct(self):
         queue = gst.element_factory_make('queue')
-        assert isinstance(queue, gst.Queue)
         assert queue.get_name() == 'queue0'
         self.assertEquals(queue.__gstrefcount__, 1)