diff --git a/subprojects/gstreamer/gst/gstcaps.c b/subprojects/gstreamer/gst/gstcaps.c
index 28a7dfe0ba..cee6e820c4 100644
--- a/subprojects/gstreamer/gst/gstcaps.c
+++ b/subprojects/gstreamer/gst/gstcaps.c
@@ -222,7 +222,7 @@ _gst_caps_free (GstCaps * caps)
   memset (caps, 0xff, sizeof (GstCapsImpl));
 #endif
 
-  g_slice_free1 (sizeof (GstCapsImpl), caps);
+  g_free (caps);
 }
 
 static void
@@ -255,7 +255,7 @@ gst_caps_new_empty (void)
 {
   GstCaps *caps;
 
-  caps = (GstCaps *) g_slice_new (GstCapsImpl);
+  caps = (GstCaps *) g_new (GstCapsImpl, 1);
 
   gst_caps_init (caps);
 
diff --git a/subprojects/gstreamer/gst/gstcapsfeatures.c b/subprojects/gstreamer/gst/gstcapsfeatures.c
index 243837f487..d81169c733 100644
--- a/subprojects/gstreamer/gst/gstcapsfeatures.c
+++ b/subprojects/gstreamer/gst/gstcapsfeatures.c
@@ -180,7 +180,7 @@ gst_caps_features_new_empty (void)
 {
   GstCapsFeatures *features;
 
-  features = g_slice_new (GstCapsFeatures);
+  features = g_new (GstCapsFeatures, 1);
   features->type = _gst_caps_features_type;
   features->parent_refcount = NULL;
   features->array = g_array_new (FALSE, FALSE, sizeof (GQuark));
@@ -431,7 +431,7 @@ gst_caps_features_free (GstCapsFeatures * features)
 #endif
   GST_TRACE ("free caps features %p", features);
 
-  g_slice_free (GstCapsFeatures, features);
+  g_free (features);
 }
 
 /**