diff --git a/configure.ac b/configure.ac
index a28ea9cbc7..2418dd5002 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,6 +53,7 @@ dnl decide on error flags
 AS_COMPILER_FLAG(-Wall,GST_ERROR="$GST_ERROR -Wall",GST_ERROR="$GST_ERROR")
 if test "x$GST_CVS" = "xyes"; then
   AS_COMPILER_FLAG(-Werror,GST_ERROR="$GST_ERROR -Werror",GST_ERROR="$GST_ERROR")
+  GST_ERROR="$GST_ERROR -DG_DISABLE_DEPRECATED"
 fi
 
 dnl We disable static building for development, for time savings
diff --git a/gst/elements/gsttee.c b/gst/elements/gsttee.c
index 4f0249f20c..363684edae 100644
--- a/gst/elements/gsttee.c
+++ b/gst/elements/gsttee.c
@@ -26,6 +26,8 @@
 
 #include "gsttee.h"
 
+#include <string.h>
+
 GST_DEBUG_CATEGORY_STATIC (gst_tee_debug);
 #define GST_CAT_DEFAULT gst_tee_debug
 
@@ -241,7 +243,7 @@ gint name_pad_compare (gconstpointer a, gconstpointer b)
   
   g_assert (GST_IS_PAD (pad));
 
-  return g_strcasecmp (name, gst_pad_get_name (pad)); /* returns 0 if match */
+  return strcmp (name, gst_pad_get_name (pad)); /* returns 0 if match */
 }
 
 static GstPad*
diff --git a/gst/gstutils.c b/gst/gstutils.c
index 6dd2e2d201..c59ab72eb0 100644
--- a/gst/gstutils.c
+++ b/gst/gstutils.c
@@ -209,7 +209,7 @@ gst_util_set_object_arg (GObject * object, const gchar * name, const gchar * val
 	case G_TYPE_BOOLEAN:{
 	  gboolean i = FALSE;
 
-	  if (!g_strncasecmp ("true", value, 4))
+	  if (!g_ascii_strncasecmp ("true", value, 4))
 	    i = TRUE;
 	  g_object_set (G_OBJECT (object), name, i, NULL);
 	  break;
diff --git a/plugins/elements/gsttee.c b/plugins/elements/gsttee.c
index 4f0249f20c..363684edae 100644
--- a/plugins/elements/gsttee.c
+++ b/plugins/elements/gsttee.c
@@ -26,6 +26,8 @@
 
 #include "gsttee.h"
 
+#include <string.h>
+
 GST_DEBUG_CATEGORY_STATIC (gst_tee_debug);
 #define GST_CAT_DEFAULT gst_tee_debug
 
@@ -241,7 +243,7 @@ gint name_pad_compare (gconstpointer a, gconstpointer b)
   
   g_assert (GST_IS_PAD (pad));
 
-  return g_strcasecmp (name, gst_pad_get_name (pad)); /* returns 0 if match */
+  return strcmp (name, gst_pad_get_name (pad)); /* returns 0 if match */
 }
 
 static GstPad*