diff --git a/subprojects/gst-devtools/validate/gst-libs/gst/video/gstvalidatessim.c b/subprojects/gst-devtools/validate/gst-libs/gst/video/gstvalidatessim.c
index 6a5a0f6c86..8c2943c42b 100644
--- a/subprojects/gst-devtools/validate/gst-libs/gst/video/gstvalidatessim.c
+++ b/subprojects/gst-devtools/validate/gst-libs/gst/video/gstvalidatessim.c
@@ -84,7 +84,7 @@ ssim_convert_info_free (SSimConverterInfo * info)
   if (info->converter)
     gst_video_converter_free (info->converter);
 
-  g_slice_free (SSimConverterInfo, info);
+  g_free (info);
 }
 
 static gboolean
@@ -256,7 +256,7 @@ gst_validate_ssim_configure_converter (GstValidateSsim * self, gint index,
   SSimConverterInfo *info = g_list_nth_data (self->priv->converters, index);
 
   if (!info) {
-    info = g_slice_new0 (SSimConverterInfo);
+    info = g_new0 (SSimConverterInfo, 1);
 
     self->priv->converters =
         g_list_insert (self->priv->converters, info, index);
diff --git a/subprojects/gst-devtools/validate/gst/validate/gst-validate-media-info.c b/subprojects/gst-devtools/validate/gst/validate/gst-validate-media-info.c
index c5fc3db6f5..dff0213682 100644
--- a/subprojects/gst-devtools/validate/gst/validate/gst-validate-media-info.c
+++ b/subprojects/gst-devtools/validate/gst/validate/gst-validate-media-info.c
@@ -682,7 +682,7 @@ setup_input_selector_counters (GstElement * element)
     switch (gst_iterator_next (iterator, &value)) {
       case GST_ITERATOR_OK:
         pad = g_value_dup_object (&value);
-        bcd = g_slice_new0 (BufferCountData);
+        bcd = g_new0 (BufferCountData, 1);
         g_object_set_data (G_OBJECT (pad), "buffer-count-data", bcd);
         bcd->probe_id = gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_BUFFER,
             (GstPadProbeCallback) input_selector_pad_probe, NULL, NULL);
@@ -791,7 +791,7 @@ check_and_remove_input_selector_counters (GstElement * element,
 
   for (id = 0; id < element->numpads; ++id) {
     gst_object_unref (bcds[id]->pad);
-    g_slice_free (BufferCountData, bcds[id]);
+    g_free (bcds[id]);
   }
   g_free (bcds);
   return ret;
diff --git a/subprojects/gst-devtools/validate/gst/validate/gst-validate-override-registry.c b/subprojects/gst-devtools/validate/gst/validate/gst-validate-override-registry.c
index 586854d6f0..7e1a825534 100644
--- a/subprojects/gst-devtools/validate/gst/validate/gst-validate-override-registry.c
+++ b/subprojects/gst-devtools/validate/gst/validate/gst-validate-override-registry.c
@@ -65,7 +65,7 @@ static void
   g_free (entry->name);
   g_object_unref (entry->override);
 
-  g_slice_free (GstValidateOverrideRegistryNameEntry, entry);
+  g_free (entry);
 }
 
 static void
@@ -74,13 +74,13 @@ static void
 {
   g_object_unref (entry->override);
 
-  g_slice_free (GstValidateOverrideRegistryGTypeEntry, entry);
+  g_free (entry);
 }
 
 static GstValidateOverrideRegistry *
 gst_validate_override_registry_new (void)
 {
-  GstValidateOverrideRegistry *reg = g_slice_new0 (GstValidateOverrideRegistry);
+  GstValidateOverrideRegistry *reg = g_new0 (GstValidateOverrideRegistry, 1);
 
   g_mutex_init (&reg->mutex);
   g_queue_init (&reg->name_overrides);
@@ -107,7 +107,7 @@ gst_validate_overide_registery_free (GstValidateOverrideRegistry * reg)
   g_queue_clear (&reg->klass_overrides);
   g_mutex_clear (&reg->mutex);
 
-  g_slice_free (GstValidateOverrideRegistry, reg);
+  g_free (reg);
 }
 
 /**
@@ -131,7 +131,7 @@ gst_validate_override_register_by_name (const gchar * name,
 {
   GstValidateOverrideRegistry *registry = gst_validate_override_registry_get ();
   GstValidateOverrideRegistryNameEntry *entry =
-      g_slice_new (GstValidateOverrideRegistryNameEntry);
+      g_new (GstValidateOverrideRegistryNameEntry, 1);
 
   GST_VALIDATE_OVERRIDE_REGISTRY_LOCK (registry);
   entry->name = g_strdup (name);
@@ -146,7 +146,7 @@ gst_validate_override_register_by_type (GType gtype,
 {
   GstValidateOverrideRegistry *registry = gst_validate_override_registry_get ();
   GstValidateOverrideRegistryGTypeEntry *entry =
-      g_slice_new (GstValidateOverrideRegistryGTypeEntry);
+      g_new (GstValidateOverrideRegistryGTypeEntry, 1);
 
   GST_VALIDATE_OVERRIDE_REGISTRY_LOCK (registry);
   entry->gtype = gtype;
@@ -161,7 +161,7 @@ gst_validate_override_register_by_klass (const gchar * klass,
 {
   GstValidateOverrideRegistry *registry = gst_validate_override_registry_get ();
   GstValidateOverrideRegistryNameEntry *entry =
-      g_slice_new (GstValidateOverrideRegistryNameEntry);
+      g_new (GstValidateOverrideRegistryNameEntry, 1);
 
   GST_VALIDATE_OVERRIDE_REGISTRY_LOCK (registry);
   entry->name = g_strdup (klass);
diff --git a/subprojects/gst-devtools/validate/gst/validate/gst-validate-pad-monitor.c b/subprojects/gst-devtools/validate/gst/validate/gst-validate-pad-monitor.c
index e8ce22e151..0494c36b65 100644
--- a/subprojects/gst-devtools/validate/gst/validate/gst-validate-pad-monitor.c
+++ b/subprojects/gst-devtools/validate/gst/validate/gst-validate-pad-monitor.c
@@ -353,7 +353,7 @@ static void
 _serialized_event_data_free (SerializedEventData * serialized_event)
 {
   gst_event_unref (serialized_event->event);
-  g_slice_free (SerializedEventData, serialized_event);
+  g_free (serialized_event);
 }
 
 static gboolean gst_validate_pad_monitor_do_setup (GstValidateMonitor *
@@ -894,7 +894,7 @@ gst_validate_pad_monitor_check_late_serialized_events (GstValidatePadMonitor *
 static void
 seek_data_free (GstValidatePadSeekData * data)
 {
-  g_slice_free (GstValidatePadSeekData, data);
+  g_free (data);
 }
 
 static GstValidatePadSeekData *
@@ -1505,7 +1505,7 @@ static void
         otherpad = g_value_get_object (&value);
         othermonitor = _GET_PAD_MONITOR (otherpad);
         if (othermonitor) {
-          SerializedEventData *data = g_slice_new0 (SerializedEventData);
+          SerializedEventData *data = g_new0 (SerializedEventData, 1);
           data->timestamp = last_ts;
           data->event = gst_event_ref (event);
           GST_VALIDATE_MONITOR_LOCK (othermonitor);
@@ -2151,7 +2151,7 @@ gst_validate_pad_monitor_downstream_event_check (GstValidatePadMonitor *
 static GstValidatePadSeekData *
 _store_seek_event_data (GstValidatePadMonitor * pad_monitor, GstEvent * event)
 {
-  GstValidatePadSeekData *data = g_slice_new0 (GstValidatePadSeekData);
+  GstValidatePadSeekData *data = g_new0 (GstValidatePadSeekData, 1);
 
   data->seqnum = gst_event_get_seqnum (event);
   gst_event_parse_seek (event, &data->rate, &data->format, &data->flags,
@@ -2190,7 +2190,7 @@ gst_validate_pad_monitor_src_event_check (GstValidatePadMonitor * pad_monitor,
       /* Remove failed seek from list */
       GST_LOG_OBJECT (pad, "Failed seek, removing stored seek data");
       pad_monitor->seeks = g_list_remove (pad_monitor->seeks, seekdata);
-      g_slice_free (GstValidatePadSeekData, seekdata);
+      g_free (seekdata);
     }
   }
 
diff --git a/subprojects/gst-devtools/validate/gst/validate/gst-validate-report.c b/subprojects/gst-devtools/validate/gst/validate/gst-validate-report.c
index 0ab9e25257..6017b17874 100644
--- a/subprojects/gst-devtools/validate/gst/validate/gst-validate-report.c
+++ b/subprojects/gst-devtools/validate/gst/validate/gst-validate-report.c
@@ -136,7 +136,7 @@ gst_validate_issue_unref (GstValidateIssue * issue)
     /* We are using an string array for area and name */
     g_strfreev (&issue->area);
 
-    g_slice_free (GstValidateIssue, issue);
+    g_free (issue);
   }
 }
 
@@ -250,7 +250,7 @@ gst_validate_issue_new_full (GstValidateIssueId issue_id, const gchar * summary,
     return NULL;
   }
 
-  issue = g_slice_new (GstValidateIssue);
+  issue = g_new (GstValidateIssue, 1);
   issue->issue_id = issue_id;
   issue->summary = g_strdup (summary);
   issue->description = g_strdup (description);
@@ -287,7 +287,7 @@ gst_validate_issue_new (GstValidateIssueId issue_id, const gchar * summary,
     return NULL;
   }
 
-  issue = g_slice_new (GstValidateIssue);
+  issue = g_new (GstValidateIssue, 1);
   issue->issue_id = issue_id;
   issue->summary = g_strdup (summary);
   issue->description = g_strdup (description);
@@ -854,7 +854,7 @@ _report_free (GstValidateReport * report)
   g_list_free_full (report->repeated_reports,
       (GDestroyNotify) gst_validate_report_unref);
   g_mutex_clear (&report->shadow_reports_lock);
-  g_slice_free (GstValidateReport, report);
+  g_free (report);
 }
 
 static gboolean
@@ -889,7 +889,7 @@ GstValidateReport *
 gst_validate_report_new (GstValidateIssue * issue,
     GstValidateReporter * reporter, const gchar * message)
 {
-  GstValidateReport *report = g_slice_new0 (GstValidateReport);
+  GstValidateReport *report = g_new0 (GstValidateReport, 1);
   GstValidateReportingDetails reporter_details, default_details,
       issue_type_details;
   GstValidateRunner *runner = gst_validate_reporter_get_runner (reporter);
diff --git a/subprojects/gst-devtools/validate/gst/validate/gst-validate-reporter.c b/subprojects/gst-devtools/validate/gst/validate/gst-validate-reporter.c
index e3a5360ee9..775bc87dc8 100644
--- a/subprojects/gst-devtools/validate/gst/validate/gst-validate-reporter.c
+++ b/subprojects/gst-devtools/validate/gst/validate/gst-validate-reporter.c
@@ -73,7 +73,7 @@ _free_priv (GstValidateReporterPrivate * priv)
   g_free (priv->name);
   g_mutex_clear (&priv->reports_lock);
   g_weak_ref_clear (&priv->runner);
-  g_slice_free (GstValidateReporterPrivate, priv);
+  g_free (priv);
 }
 
 static GstValidateReporterPrivate *
@@ -84,7 +84,7 @@ gst_validate_reporter_get_priv (GstValidateReporter * reporter)
   priv = g_object_get_data (G_OBJECT (reporter), REPORTER_PRIVATE);
 
   if (priv == NULL) {
-    priv = g_slice_new0 (GstValidateReporterPrivate);
+    priv = g_new0 (GstValidateReporterPrivate, 1);
     priv->reports = g_hash_table_new_full (g_direct_hash,
         g_direct_equal, NULL, (GDestroyNotify) gst_validate_report_unref);
 
diff --git a/subprojects/gst-devtools/validate/gst/validate/gst-validate-runner.c b/subprojects/gst-devtools/validate/gst/validate/gst-validate-runner.c
index bf19cbf7df..f4af85e6a4 100644
--- a/subprojects/gst-devtools/validate/gst/validate/gst-validate-runner.c
+++ b/subprojects/gst-devtools/validate/gst/validate/gst-validate-runner.c
@@ -236,7 +236,7 @@ static void
 _set_reporting_level_for_name (GstValidateRunner * runner,
     const gchar * pattern, GstValidateReportingDetails level)
 {
-  PatternLevel *pattern_level = g_malloc (sizeof (PatternLevel));
+  PatternLevel *pattern_level = g_new (PatternLevel, 1);
   GPatternSpec *pattern_spec = g_pattern_spec_new (pattern);
 
   pattern_level->pattern = pattern_spec;
diff --git a/subprojects/gst-devtools/validate/gst/validate/gst-validate-scenario.c b/subprojects/gst-devtools/validate/gst/validate/gst-validate-scenario.c
index 107dde1229..b5fb928d89 100644
--- a/subprojects/gst-devtools/validate/gst/validate/gst-validate-scenario.c
+++ b/subprojects/gst-devtools/validate/gst/validate/gst-validate-scenario.c
@@ -499,8 +499,8 @@ _action_free (GstValidateAction * action)
   g_free (GST_VALIDATE_ACTION_FILENAME (action));
   g_free (GST_VALIDATE_ACTION_DEBUG (action));
 
-  g_slice_free (GstValidateActionPrivate, action->priv);
-  g_slice_free (GstValidateAction, action);
+  g_free (action->priv);
+  g_free (action);
 }
 
 static void
@@ -510,7 +510,7 @@ gst_validate_action_init (GstValidateAction * action)
       _gst_validate_action_type, (GstMiniObjectCopyFunction) _action_copy, NULL,
       (GstMiniObjectFreeFunction) _action_free);
 
-  action->priv = g_slice_new0 (GstValidateActionPrivate);
+  action->priv = g_new0 (GstValidateActionPrivate, 1);
 
   g_weak_ref_init (&action->priv->scenario, NULL);
 }
@@ -541,7 +541,7 @@ gst_validate_action_new (GstValidateScenario * scenario,
     GstValidateActionType * action_type, GstStructure * structure,
     gboolean add_to_lists)
 {
-  GstValidateAction *action = g_slice_new0 (GstValidateAction);
+  GstValidateAction *action = g_new0 (GstValidateAction, 1);
 
   g_assert (action_type);
 
@@ -616,7 +616,7 @@ _action_type_free (GstValidateActionType * type)
   if (type->overriden_type)
     gst_mini_object_unref (GST_MINI_OBJECT (type->overriden_type));
 
-  g_slice_free (GstValidateActionType, type);
+  g_free (type);
 }
 
 static void
@@ -632,7 +632,7 @@ gst_validate_action_type_init (GstValidateActionType * type)
 GstValidateActionType *
 gst_validate_action_type_new (void)
 {
-  GstValidateActionType *type = g_slice_new0 (GstValidateActionType);
+  GstValidateActionType *type = g_new0 (GstValidateActionType, 1);
 
   gst_validate_action_type_init (type);
 
diff --git a/subprojects/gst-devtools/validate/gst/validate/media-descriptor-parser.c b/subprojects/gst-devtools/validate/gst/validate/media-descriptor-parser.c
index daaeb8277c..0719d52554 100644
--- a/subprojects/gst-devtools/validate/gst/validate/media-descriptor-parser.c
+++ b/subprojects/gst-devtools/validate/gst/validate/media-descriptor-parser.c
@@ -85,7 +85,7 @@ deserialize_streamnode (const gchar ** names, const gchar ** values)
 {
   gint i;
   GstValidateMediaStreamNode
-      * streamnode = g_slice_new0 (GstValidateMediaStreamNode);
+      * streamnode = g_new0 (GstValidateMediaStreamNode, 1);
 
   for (i = 0; names[i] != NULL; i++) {
     if (g_strcmp0 (names[i], "id") == 0)
@@ -104,7 +104,7 @@ static GstValidateSegmentNode *
 deserialize_segmentnode (const gchar ** names, const gchar ** values)
 {
   gint i;
-  GstValidateSegmentNode *node = g_slice_new0 (GstValidateSegmentNode);
+  GstValidateSegmentNode *node = g_new0 (GstValidateSegmentNode, 1);
 
   for (i = 0; names[i] != NULL; i++) {
     if (!g_strcmp0 (names[i], "next-frame-id"))
@@ -139,7 +139,7 @@ deserialize_segmentnode (const gchar ** names, const gchar ** values)
 static GstValidateMediaTagsNode *
 deserialize_tagsnode (const gchar ** names, const gchar ** values)
 {
-  GstValidateMediaTagsNode *tagsnode = g_slice_new0 (GstValidateMediaTagsNode);
+  GstValidateMediaTagsNode *tagsnode = g_new0 (GstValidateMediaTagsNode, 1);
 
   return tagsnode;
 }
@@ -148,7 +148,7 @@ static GstValidateMediaTagNode *
 deserialize_tagnode (const gchar ** names, const gchar ** values)
 {
   gint i;
-  GstValidateMediaTagNode *tagnode = g_slice_new0 (GstValidateMediaTagNode);
+  GstValidateMediaTagNode *tagnode = g_new0 (GstValidateMediaTagNode, 1);
 
   for (i = 0; names[i] != NULL; i++) {
     if (g_strcmp0 (names[i], "content") == 0)
@@ -163,8 +163,7 @@ deserialize_framenode (const gchar ** names, const gchar ** values)
 {
   gint i;
 
-  GstValidateMediaFrameNode *framenode =
-      g_slice_new0 (GstValidateMediaFrameNode);
+  GstValidateMediaFrameNode *framenode = g_new0 (GstValidateMediaFrameNode, 1);
 
 /* *INDENT-OFF* */
 #define IF_SET_UINT64_FIELD(name,fieldname) \
diff --git a/subprojects/gst-devtools/validate/gst/validate/media-descriptor-writer.c b/subprojects/gst-devtools/validate/gst/validate/media-descriptor-writer.c
index a96c3a0bee..e49fc4f452 100644
--- a/subprojects/gst-devtools/validate/gst/validate/media-descriptor-writer.c
+++ b/subprojects/gst-devtools/validate/gst/validate/media-descriptor-writer.c
@@ -282,7 +282,7 @@ static gboolean
   g_return_val_if_fail (gst_validate_media_descriptor_get_file_node (
           (GstValidateMediaDescriptor *) writer), FALSE);
 
-  snode = g_slice_new0 (GstValidateMediaStreamNode);
+  snode = g_new0 (GstValidateMediaStreamNode, 1);
   snode->frames = NULL;
   snode->cframe = NULL;
 
@@ -291,7 +291,7 @@ static gboolean
     caps = gst_discoverer_stream_info_get_caps (info);
     capsstr = gst_caps_to_string (caps);
 
-    g_slice_free (GstValidateMediaStreamNode, snode);
+    g_free (snode);
     GST_VALIDATE_REPORT (writer, FILE_NO_STREAM_ID,
         "Stream with caps: %s has no stream ID", capsstr);
     gst_caps_unref (caps);
@@ -363,7 +363,7 @@ _uridecodebin_probe (GstPad * pad, GstPadProbeInfo * info,
             writer, pad);
         if (streamnode) {
           GstValidateSegmentNode *segment_node =
-              g_slice_new0 (GstValidateSegmentNode);
+              g_new0 (GstValidateSegmentNode, 1);
 
           gst_event_parse_segment (event, &segment);
           gst_segment_copy_into (segment, &segment_node->segment);
@@ -821,7 +821,7 @@ gst_validate_media_descriptor_writer_add_tags (GstValidateMediaDescriptorWriter
   }
 
   if (snode->tags == NULL) {
-    tagsnode = g_slice_new0 (GstValidateMediaTagsNode);
+    tagsnode = g_new0 (GstValidateMediaTagsNode, 1);
     tagsnode->str_open = g_markup_printf_escaped ("<tags>");
     tagsnode->str_close = g_markup_printf_escaped ("</tags>");
     snode->tags = tagsnode;
@@ -838,7 +838,7 @@ gst_validate_media_descriptor_writer_add_tags (GstValidateMediaDescriptorWriter
     }
   }
 
-  tagnode = g_slice_new0 (GstValidateMediaTagNode);
+  tagnode = g_new0 (GstValidateMediaTagNode, 1);
   tagnode->taglist = gst_tag_list_copy (taglist);
   str_str = gst_tag_list_to_string (tagnode->taglist);
   tagnode->str_open =
@@ -877,7 +877,7 @@ gst_validate_media_descriptor_writer_add_pad (GstValidateMediaDescriptorWriter *
     }
   }
 
-  snode = g_slice_new0 (GstValidateMediaStreamNode);
+  snode = g_new0 (GstValidateMediaStreamNode, 1);
   snode->frames = NULL;
   snode->cframe = NULL;
 
@@ -921,7 +921,7 @@ gboolean
 
   if (gst_validate_media_descriptor_get_file_node ((GstValidateMediaDescriptor
               *) writer)->tags == NULL) {
-    tagsnode = g_slice_new0 (GstValidateMediaTagsNode);
+    tagsnode = g_new0 (GstValidateMediaTagsNode, 1);
     tagsnode->str_open = g_markup_printf_escaped ("<tags>");
     tagsnode->str_close = g_markup_printf_escaped ("</tags>");
     gst_validate_media_descriptor_get_file_node ((GstValidateMediaDescriptor *)
@@ -940,7 +940,7 @@ gboolean
     }
   }
 
-  tagnode = g_slice_new0 (GstValidateMediaTagNode);
+  tagnode = g_new0 (GstValidateMediaTagNode, 1);
   tagnode->taglist = gst_tag_list_copy (taglist);
   str_str = gst_tag_list_to_string (tagnode->taglist);
   tagnode->str_open =
@@ -987,7 +987,7 @@ gst_validate_media_descriptor_writer_add_frame (GstValidateMediaDescriptorWriter
   }
 
   id = g_list_length (streamnode->frames);
-  fnode = g_slice_new0 (GstValidateMediaFrameNode);
+  fnode = g_new0 (GstValidateMediaFrameNode, 1);
 
   g_assert (gst_buffer_map (buf, &map, GST_MAP_READ));
   checksum = g_compute_checksum_for_data (G_CHECKSUM_MD5,
diff --git a/subprojects/gst-devtools/validate/gst/validate/media-descriptor.c b/subprojects/gst-devtools/validate/gst/validate/media-descriptor.c
index d1231061dd..f2abbf56ac 100644
--- a/subprojects/gst-devtools/validate/gst/validate/media-descriptor.c
+++ b/subprojects/gst-devtools/validate/gst/validate/media-descriptor.c
@@ -46,7 +46,7 @@ free_tagnode (GstValidateMediaTagNode * tagnode)
   if (tagnode->taglist)
     gst_tag_list_unref (tagnode->taglist);
 
-  g_slice_free (GstValidateMediaTagNode, tagnode);
+  g_free (tagnode);
 }
 
 static inline void
@@ -55,7 +55,7 @@ free_tagsnode (GstValidateMediaTagsNode * tagsnode)
   g_free (tagsnode->str_open);
   g_free (tagsnode->str_close);
   g_list_free_full (tagsnode->tags, (GDestroyNotify) free_tagnode);
-  g_slice_free (GstValidateMediaTagsNode, tagsnode);
+  g_free (tagsnode);
 }
 
 static inline void
@@ -67,7 +67,7 @@ free_framenode (GstValidateMediaFrameNode * framenode)
   if (framenode->buf)
     gst_buffer_unref (framenode->buf);
 
-  g_slice_free (GstValidateMediaFrameNode, framenode);
+  g_free (framenode);
 }
 
 static inline void
@@ -76,7 +76,7 @@ free_segmentnode (GstValidateSegmentNode * segmentnode)
   g_free (segmentnode->str_open);
   g_free (segmentnode->str_close);
 
-  g_slice_free (GstValidateSegmentNode, segmentnode);
+  g_free (segmentnode);
 }
 
 static inline void
@@ -98,7 +98,7 @@ free_streamnode (GstValidateMediaStreamNode * streamnode)
   g_free (streamnode->id);
   g_free (streamnode->str_open);
   g_free (streamnode->str_close);
-  g_slice_free (GstValidateMediaStreamNode, streamnode);
+  g_free (streamnode);
 }
 
 void
@@ -116,7 +116,7 @@ gst_validate_filenode_free (GstValidateMediaFileNode * filenode)
   g_free (filenode->str_open);
   g_free (filenode->str_close);
 
-  g_slice_free (GstValidateMediaFileNode, filenode);
+  g_free (filenode);
 }
 
 gboolean
@@ -162,7 +162,7 @@ static void
 gst_validate_media_descriptor_init (GstValidateMediaDescriptor * self)
 {
   self->priv = gst_validate_media_descriptor_get_instance_private (self);
-  self->priv->filenode = g_slice_new0 (GstValidateMediaFileNode);
+  self->priv->filenode = g_new0 (GstValidateMediaFileNode, 1);
 }
 
 static void
diff --git a/subprojects/gst-devtools/validate/tests/check/validate/test-utils.c b/subprojects/gst-devtools/validate/tests/check/validate/test-utils.c
index 31d0e50816..27a8775463 100644
--- a/subprojects/gst-devtools/validate/tests/check/validate/test-utils.c
+++ b/subprojects/gst-devtools/validate/tests/check/validate/test-utils.c
@@ -37,7 +37,7 @@ check_destroyed (gpointer object_to_unref, gpointer first_object, ...)
   gint i = 0;
   GObject *object;
   GList *objs = NULL, *tmp;
-  DestroyedObjectStruct *destroyed = g_slice_new0 (DestroyedObjectStruct);
+  DestroyedObjectStruct *destroyed = g_new0 (DestroyedObjectStruct, 1);
 
   destroyed->object = G_OBJECT (object_to_unref);
   g_object_weak_ref (G_OBJECT (object_to_unref), (GWeakNotify) weak_notify,
@@ -51,7 +51,7 @@ check_destroyed (gpointer object_to_unref, gpointer first_object, ...)
 
     va_start (varargs, first_object);
     while (object) {
-      destroyed = g_slice_new0 (DestroyedObjectStruct);
+      destroyed = g_new0 (DestroyedObjectStruct, 1);
       destroyed->object = object;
       g_object_weak_ref (object, (GWeakNotify) weak_notify, destroyed);
       objs = g_list_append (objs, destroyed);
@@ -65,7 +65,7 @@ check_destroyed (gpointer object_to_unref, gpointer first_object, ...)
     fail_unless (((DestroyedObjectStruct *) tmp->data)->destroyed == TRUE,
         "%p is not destroyed (object nb %i)",
         ((DestroyedObjectStruct *) tmp->data)->object, i);
-    g_slice_free (DestroyedObjectStruct, tmp->data);
+    g_free (tmp->data);
     i++;
   }
   g_list_free (objs);