diff --git a/subprojects/gstreamer/gst/gsttaglist.c b/subprojects/gstreamer/gst/gsttaglist.c
index 07519fe1d2..14fd397d13 100644
--- a/subprojects/gstreamer/gst/gsttaglist.c
+++ b/subprojects/gstreamer/gst/gsttaglist.c
@@ -549,7 +549,7 @@ gst_tag_register_static (const gchar * name, GstTagFlag flag, GType type,
     return;
   }
 
-  info = g_slice_new (GstTagInfo);
+  info = g_new (GstTagInfo, 1);
   info->flag = flag;
   info->type = type;
   info->name_quark = g_quark_from_static_string (name);
@@ -693,7 +693,7 @@ gst_tag_list_new_internal (GstStructure * s, GstTagScope scope)
 
   g_assert (s != NULL);
 
-  tag_list = (GstTagList *) g_slice_new (GstTagListImpl);
+  tag_list = (GstTagList *) g_new (GstTagListImpl, 1);
 
   gst_mini_object_init (GST_MINI_OBJECT_CAST (tag_list), 0, GST_TYPE_TAG_LIST,
       (GstMiniObjectCopyFunction) __gst_tag_list_copy, NULL,
@@ -724,7 +724,7 @@ __gst_tag_list_free (GstTagList * list)
   memset (list, 0xff, sizeof (GstTagListImpl));
 #endif
 
-  g_slice_free1 (sizeof (GstTagListImpl), list);
+  g_free (list);
 }
 
 static GstTagList *
diff --git a/subprojects/gstreamer/gst/gsttagsetter.c b/subprojects/gstreamer/gst/gsttagsetter.c
index ea54c3574e..71c73d20a4 100644
--- a/subprojects/gstreamer/gst/gsttagsetter.c
+++ b/subprojects/gstreamer/gst/gsttagsetter.c
@@ -108,7 +108,7 @@ gst_tag_data_free (gpointer p)
 
   g_mutex_clear (&data->lock);
 
-  g_slice_free (GstTagData, data);
+  g_free (data);
 }
 
 static GstTagData *
@@ -125,7 +125,7 @@ gst_tag_setter_get_data (GstTagSetter * setter)
 
     data = g_object_get_qdata (G_OBJECT (setter), gst_tag_key);
     if (!data) {
-      data = g_slice_new (GstTagData);
+      data = g_new (GstTagData, 1);
       g_mutex_init (&data->lock);
       data->list = NULL;
       data->mode = GST_TAG_MERGE_KEEP;