diff --git a/subprojects/gst-plugins-base/gst-libs/gst/gl/gbm/gstgl_gbm_utils.c b/subprojects/gst-plugins-base/gst-libs/gst/gl/gbm/gstgl_gbm_utils.c
index 5f667b8d4f..5d4a9dbcd7 100644
--- a/subprojects/gst-plugins-base/gst-libs/gst/gl/gbm/gstgl_gbm_utils.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/gl/gbm/gstgl_gbm_utils.c
@@ -363,7 +363,7 @@ gst_gl_gbm_drm_fb_destroy_callback (struct gbm_bo *bo, void *data)
   if (fb->fb_id)
     drmModeRmFB (drm_fd, fb->fb_id);
 
-  g_slice_free1 (sizeof (GstGLDRMFramebuffer), fb);
+  g_free (fb);
 }
 
 
@@ -400,7 +400,7 @@ gst_gl_gbm_drm_fb_get_from_bo (struct gbm_bo *bo)
 
   drm_fd = gbm_device_get_fd (gbm_bo_get_device (bo));
 
-  fb = g_slice_alloc0 (sizeof (GstGLDRMFramebuffer));
+  fb = g_new0 (GstGLDRMFramebuffer, 1);
   fb->bo = bo;
 
   width = gbm_bo_get_width (bo);
@@ -423,7 +423,7 @@ gst_gl_gbm_drm_fb_get_from_bo (struct gbm_bo *bo)
   if (ret != 0) {
     GST_ERROR ("Failed to add GBM BO as scanout framebuffer: %s (%d)",
         g_strerror (errno), errno);
-    g_slice_free1 (sizeof (GstGLDRMFramebuffer), fb);
+    g_free (fb);
     return NULL;
   }
 
diff --git a/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglcontext.c b/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglcontext.c
index 4eac6b23d1..95d3458f90 100644
--- a/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglcontext.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglcontext.c
@@ -289,7 +289,7 @@ gst_gl_context_init (GstGLContext * context)
   context->priv = gst_gl_context_get_instance_private (context);
 
   context->window = NULL;
-  context->gl_vtable = g_slice_alloc0 (sizeof (GstGLFuncs));
+  context->gl_vtable = g_new0 (GstGLFuncs, 1);
 
   g_mutex_init (&context->priv->render_lock);
 
@@ -727,7 +727,7 @@ gst_gl_context_finalize (GObject * object)
   }
 
   if (context->gl_vtable) {
-    g_slice_free (GstGLFuncs, context->gl_vtable);
+    g_free (context->gl_vtable);
     context->gl_vtable = NULL;
   }
 
diff --git a/subprojects/gst-plugins-base/gst-libs/gst/gl/gstgloverlaycompositor.c b/subprojects/gst-plugins-base/gst-libs/gst/gl/gstgloverlaycompositor.c
index 2645f417bc..73bb31b51e 100644
--- a/subprojects/gst-plugins-base/gst-libs/gst/gl/gstgloverlaycompositor.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/gl/gstgloverlaycompositor.c
@@ -333,7 +333,7 @@ _video_frame_unmap_and_free (gpointer user_data)
   GstVideoFrame *frame = user_data;
 
   gst_video_frame_unmap (frame);
-  g_slice_free (GstVideoFrame, frame);
+  g_free (frame);
 }
 
 static void
@@ -367,7 +367,7 @@ gst_gl_composition_overlay_upload (GstGLCompositionOverlay * overlay,
       gst_video_overlay_rectangle_get_pixels_unscaled_argb (overlay->rectangle,
       alpha_flags);
 
-  comp_frame = g_slice_new (GstVideoFrame);
+  comp_frame = g_new (GstVideoFrame, 1);
 
   vmeta = gst_buffer_get_video_meta (comp_buffer);
   gst_video_info_set_format (&vinfo, vmeta->format, vmeta->width,
@@ -417,7 +417,7 @@ gst_gl_composition_overlay_upload (GstGLCompositionOverlay * overlay,
 
     GST_DEBUG ("uploaded overlay texture %d", overlay->texture_id);
   } else {
-    g_slice_free (GstVideoFrame, comp_frame);
+    g_free (comp_frame);
   }
 }
 
diff --git a/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglupload.c b/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglupload.c
index 22272405a3..b37d5fee31 100644
--- a/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglupload.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglupload.c
@@ -1252,12 +1252,12 @@ _raw_upload_frame_new (struct RawUpload *raw, GstBuffer * buffer)
   if (!buffer)
     return NULL;
 
-  frame = g_slice_new (struct RawUploadFrame);
+  frame = g_new (struct RawUploadFrame, 1);
   frame->ref_count = 1;
 
   if (!gst_video_frame_map (&frame->frame, &raw->upload->priv->in_info,
           buffer, GST_MAP_READ)) {
-    g_slice_free (struct RawUploadFrame, frame);
+    g_free (frame);
     return NULL;
   }
 
@@ -1285,7 +1285,7 @@ _raw_upload_frame_unref (struct RawUploadFrame *frame)
 {
   if (g_atomic_int_dec_and_test (&frame->ref_count)) {
     gst_video_frame_unmap (&frame->frame);
-    g_slice_free (struct RawUploadFrame, frame);
+    g_free (frame);
   }
 }
 
diff --git a/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglwindow.c b/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglwindow.c
index 6d4e3fb383..91c1ae0513 100644
--- a/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglwindow.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/gl/gstglwindow.c
@@ -418,7 +418,7 @@ static void
 _free_swh_cb (GstSetWindowHandleCb * data)
 {
   gst_object_unref (data->window);
-  g_slice_free (GstSetWindowHandleCb, data);
+  g_free (data);
 }
 
 /**
@@ -442,7 +442,7 @@ gst_gl_window_set_window_handle (GstGLWindow * window, guintptr handle)
   window_class = GST_GL_WINDOW_GET_CLASS (window);
   g_return_if_fail (window_class->set_window_handle != NULL);
 
-  data = g_slice_new (GstSetWindowHandleCb);
+  data = g_new (GstSetWindowHandleCb, 1);
   data->window = gst_object_ref (window);
   data->handle = handle;
 
@@ -704,7 +704,7 @@ _run_message_async (GstGLAsyncMessage * message)
   if (message->destroy)
     message->destroy (message->data);
 
-  g_slice_free (GstGLAsyncMessage, message);
+  g_free (message);
 
   return FALSE;
 }
@@ -713,7 +713,7 @@ static void
 gst_gl_window_default_send_message_async (GstGLWindow * window,
     GstGLWindowCB callback, gpointer data, GDestroyNotify destroy)
 {
-  GstGLAsyncMessage *message = g_slice_new (GstGLAsyncMessage);
+  GstGLAsyncMessage *message = g_new (GstGLAsyncMessage, 1);
 
   message->callback = callback;
   message->data = data;