diff --git a/subprojects/gst-plugins-good/gst/rtpmanager/gstrtpmux.c b/subprojects/gst-plugins-good/gst/rtpmanager/gstrtpmux.c
index 6387c655c3..5de47ae34e 100644
--- a/subprojects/gst-plugins-good/gst/rtpmanager/gstrtpmux.c
+++ b/subprojects/gst-plugins-good/gst/rtpmanager/gstrtpmux.c
@@ -277,7 +277,7 @@ gst_rtp_mux_init (GstRTPMux * rtp_mux)
 static void
 gst_rtp_mux_setup_sinkpad (GstRTPMux * rtp_mux, GstPad * sinkpad)
 {
-  GstRTPMuxPadPrivate *padpriv = g_slice_new0 (GstRTPMuxPadPrivate);
+  GstRTPMuxPadPrivate *padpriv = g_new0 (GstRTPMuxPadPrivate, 1);
 
   /* setup some pad functions */
   gst_pad_set_chain_function (sinkpad, GST_DEBUG_FUNCPTR (gst_rtp_mux_chain));
@@ -336,7 +336,7 @@ gst_rtp_mux_release_pad (GstElement * element, GstPad * pad)
   gst_element_remove_pad (element, pad);
 
   if (padpriv) {
-    g_slice_free (GstRTPMuxPadPrivate, padpriv);
+    g_free (padpriv);
   }
 }
 
diff --git a/subprojects/gst-plugins-good/gst/rtpmanager/gstrtpptdemux.c b/subprojects/gst-plugins-good/gst/rtpmanager/gstrtpptdemux.c
index 5cbbc7264d..20decc1de9 100644
--- a/subprojects/gst-plugins-good/gst/rtpmanager/gstrtpptdemux.c
+++ b/subprojects/gst-plugins-good/gst/rtpmanager/gstrtpptdemux.c
@@ -493,7 +493,7 @@ gst_rtp_pt_demux_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
     gst_pad_set_event_function (srcpad, gst_rtp_pt_demux_src_event);
 
     GST_DEBUG_OBJECT (rtpdemux, "Adding pt=%d to the list.", pt);
-    rtpdemuxpad = g_slice_new0 (GstRtpPtDemuxPad);
+    rtpdemuxpad = g_new0 (GstRtpPtDemuxPad, 1);
     rtpdemuxpad->pt = pt;
     rtpdemuxpad->newcaps = FALSE;
     rtpdemuxpad->pad = srcpad;
@@ -720,7 +720,7 @@ gst_rtp_pt_demux_release (GstRtpPtDemux * ptdemux)
 
     gst_pad_set_active (pad->pad, FALSE);
     gst_element_remove_pad (GST_ELEMENT_CAST (ptdemux), pad->pad);
-    g_slice_free (GstRtpPtDemuxPad, pad);
+    g_free (pad);
   }
   g_slist_free (tmppads);
 }
diff --git a/subprojects/gst-plugins-good/gst/rtpmanager/gstrtprtxreceive.c b/subprojects/gst-plugins-good/gst/rtpmanager/gstrtprtxreceive.c
index 274ceed226..5d74c23503 100644
--- a/subprojects/gst-plugins-good/gst/rtpmanager/gstrtprtxreceive.c
+++ b/subprojects/gst-plugins-good/gst/rtpmanager/gstrtprtxreceive.c
@@ -381,7 +381,7 @@ typedef struct
 static SsrcAssoc *
 ssrc_assoc_new (guint32 ssrc, GstClockTime time)
 {
-  SsrcAssoc *assoc = g_slice_new (SsrcAssoc);
+  SsrcAssoc *assoc = g_new (SsrcAssoc, 1);
 
   assoc->ssrc = ssrc;
   assoc->time = time;
@@ -392,7 +392,7 @@ ssrc_assoc_new (guint32 ssrc, GstClockTime time)
 static void
 ssrc_assoc_free (SsrcAssoc * assoc)
 {
-  g_slice_free (SsrcAssoc, assoc);
+  g_free (assoc);
 }
 
 static void
diff --git a/subprojects/gst-plugins-good/gst/rtpmanager/gstrtprtxsend.c b/subprojects/gst-plugins-good/gst/rtpmanager/gstrtprtxsend.c
index 349bb169be..1c36e5272f 100644
--- a/subprojects/gst-plugins-good/gst/rtpmanager/gstrtprtxsend.c
+++ b/subprojects/gst-plugins-good/gst/rtpmanager/gstrtprtxsend.c
@@ -169,7 +169,7 @@ static void
 buffer_queue_item_free (BufferQueueItem * item)
 {
   gst_buffer_unref (item->buffer);
-  g_slice_free (BufferQueueItem, item);
+  g_free (item);
 }
 
 typedef struct
@@ -185,7 +185,7 @@ typedef struct
 static SSRCRtxData *
 ssrc_rtx_data_new (guint32 rtx_ssrc)
 {
-  SSRCRtxData *data = g_slice_new0 (SSRCRtxData);
+  SSRCRtxData *data = g_new0 (SSRCRtxData, 1);
 
   data->rtx_ssrc = rtx_ssrc;
   data->next_seqnum = data->seqnum_base = g_random_int_range (0, G_MAXUINT16);
@@ -198,7 +198,7 @@ static void
 ssrc_rtx_data_free (SSRCRtxData * data)
 {
   g_sequence_free (data->queue);
-  g_slice_free (SSRCRtxData, data);
+  g_free (data);
 }
 
 typedef enum
@@ -442,7 +442,7 @@ gst_rtp_rtx_data_queue_item_free (gpointer item)
   GstDataQueueItem *data = item;
   if (data->object)
     gst_mini_object_unref (data->object);
-  g_slice_free (GstDataQueueItem, data);
+  g_free (data);
 }
 
 static gboolean
@@ -451,7 +451,7 @@ gst_rtp_rtx_send_push_out (GstRtpRtxSend * rtx, gpointer object)
   GstDataQueueItem *data;
   gboolean success;
 
-  data = g_slice_new0 (GstDataQueueItem);
+  data = g_new0 (GstDataQueueItem, 1);
   data->object = GST_MINI_OBJECT (object);
   data->size = 1;
   data->duration = 1;
@@ -1042,7 +1042,7 @@ process_buffer (GstRtpRtxSend * rtx, GstBuffer * buffer)
     }
 
     /* add current rtp buffer to queue history */
-    item = g_slice_new0 (BufferQueueItem);
+    item = g_new0 (BufferQueueItem, 1);
     item->seqnum = seqnum;
     item->timestamp = rtptime;
     item->buffer = gst_buffer_ref (buffer);
diff --git a/subprojects/gst-plugins-good/gst/rtpmanager/rtpjitterbuffer.c b/subprojects/gst-plugins-good/gst/rtpmanager/rtpjitterbuffer.c
index 1ab0aaf600..c709769710 100644
--- a/subprojects/gst-plugins-good/gst/rtpmanager/rtpjitterbuffer.c
+++ b/subprojects/gst-plugins-good/gst/rtpmanager/rtpjitterbuffer.c
@@ -112,9 +112,6 @@ rtp_jitter_buffer_finalize (GObject * object)
   if (jbuf->pipeline_clock)
     gst_object_unref (jbuf->pipeline_clock);
 
-  /* We cannot use g_queue_clear() as it would pass the wrong size to
-   * g_slice_free() which may lead to data corruption in the slice allocator.
-   */
   rtp_jitter_buffer_flush (jbuf, NULL, NULL);
 
   g_mutex_clear (&jbuf->clock_lock);
@@ -1177,7 +1174,7 @@ rtp_jitter_buffer_alloc_item (gpointer data, guint type, GstClockTime dts,
 {
   RTPJitterBufferItem *item;
 
-  item = g_slice_new (RTPJitterBufferItem);
+  item = g_new (RTPJitterBufferItem, 1);
   item->data = data;
   item->next = NULL;
   item->prev = NULL;
@@ -1629,5 +1626,5 @@ rtp_jitter_buffer_free_item (RTPJitterBufferItem * item)
 
   if (item->data && item->free_data)
     item->free_data (item->data);
-  g_slice_free (RTPJitterBufferItem, item);
+  g_free (item);
 }
diff --git a/subprojects/gst-plugins-good/gst/rtpmanager/rtpsession.c b/subprojects/gst-plugins-good/gst/rtpmanager/rtpsession.c
index 294bcf0c17..269059a2f3 100644
--- a/subprojects/gst-plugins-good/gst/rtpmanager/rtpsession.c
+++ b/subprojects/gst-plugins-good/gst/rtpmanager/rtpsession.c
@@ -4482,7 +4482,7 @@ generate_twcc (const gchar * key, RTPSource * source, ReportData * data)
   GST_DEBUG ("generating TWCC feedback for source %08x", source->ssrc);
 
   while ((buf = rtp_twcc_manager_get_feedback (sess->twcc, source->ssrc))) {
-    ReportOutput *output = g_slice_new (ReportOutput);
+    ReportOutput *output = g_new (ReportOutput, 1);
     output->source = g_object_ref (source);
     output->is_bye = FALSE;
     output->buffer = buf;
@@ -4546,7 +4546,7 @@ generate_rtcp (const gchar * key, RTPSource * source, ReportData * data)
 
   gst_rtcp_buffer_unmap (&data->rtcpbuf);
 
-  output = g_slice_new (ReportOutput);
+  output = g_new (ReportOutput, 1);
   output->source = g_object_ref (source);
   output->is_bye = is_bye;
   output->buffer = data->rtcp;
@@ -4796,7 +4796,7 @@ done:
       gst_buffer_unref (buffer);
     }
     g_object_unref (source);
-    g_slice_free (ReportOutput, output);
+    g_free (output);
   }
 
   if (all_empty)
diff --git a/subprojects/gst-plugins-good/gst/rtpmanager/rtpsource.c b/subprojects/gst-plugins-good/gst/rtpmanager/rtpsource.c
index c221c1f229..04d0ff32f8 100644
--- a/subprojects/gst-plugins-good/gst/rtpmanager/rtpsource.c
+++ b/subprojects/gst-plugins-good/gst/rtpmanager/rtpsource.c
@@ -328,7 +328,7 @@ void
 rtp_conflicting_address_free (RTPConflictingAddress * addr)
 {
   g_object_unref (addr->address);
-  g_slice_free (RTPConflictingAddress, addr);
+  g_free (addr);
 }
 
 static void
@@ -1872,7 +1872,7 @@ add_conflicting_address (GList * conflicting_addresses,
 {
   RTPConflictingAddress *new_conflict;
 
-  new_conflict = g_slice_new (RTPConflictingAddress);
+  new_conflict = g_new (RTPConflictingAddress, 1);
 
   new_conflict->address = G_SOCKET_ADDRESS (g_object_ref (address));
   new_conflict->time = time;
diff --git a/subprojects/gst-plugins-good/gst/rtpmanager/rtptimerqueue.c b/subprojects/gst-plugins-good/gst/rtpmanager/rtptimerqueue.c
index 6cee0266e3..f4e20bea78 100644
--- a/subprojects/gst-plugins-good/gst/rtpmanager/rtptimerqueue.c
+++ b/subprojects/gst-plugins-good/gst/rtpmanager/rtptimerqueue.c
@@ -39,7 +39,7 @@ G_DEFINE_TYPE (RtpTimerQueue, rtp_timer_queue, G_TYPE_OBJECT);
 static RtpTimer *
 rtp_timer_new (void)
 {
-  return g_slice_new0 (RtpTimer);
+  return g_new0 (RtpTimer, 1);
 }
 
 static inline void
@@ -329,7 +329,7 @@ rtp_timer_free (RtpTimer * timer)
   g_return_if_fail (timer->list.next == NULL);
   g_return_if_fail (timer->list.prev == NULL);
 
-  g_slice_free (RtpTimer, timer);
+  g_free (timer);
 }
 
 /**
@@ -343,7 +343,7 @@ rtp_timer_free (RtpTimer * timer)
 RtpTimer *
 rtp_timer_dup (const RtpTimer * timer)
 {
-  RtpTimer *copy = g_slice_new (RtpTimer);
+  RtpTimer *copy = g_new (RtpTimer, 1);
   memcpy (copy, timer, sizeof (RtpTimer));
   memset (&copy->list, 0, sizeof (GList));
   copy->queued = FALSE;