diff --git a/gdk/gdkcontentproviderimpl.c b/gdk/gdkcontentproviderimpl.c
index aeeca742ba..f987d05abf 100644
--- a/gdk/gdkcontentproviderimpl.c
+++ b/gdk/gdkcontentproviderimpl.c
@@ -27,6 +27,8 @@
 #include "gdkintl.h"
 #include "gdkcontentproviderimpl.h"
 
+#include "gdk-private.h"
+
 #define GDK_TYPE_CONTENT_PROVIDER_VALUE            (gdk_content_provider_value_get_type ())
 #define GDK_CONTENT_PROVIDER_VALUE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_CONTENT_PROVIDER_VALUE, GdkContentProviderValue))
 #define GDK_IS_CONTENT_PROVIDER_VALUE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_CONTENT_PROVIDER_VALUE))
@@ -426,7 +428,7 @@ gdk_content_provider_new_union (GdkContentProvider **providers,
   result = g_object_new (GDK_TYPE_CONTENT_PROVIDER_UNION, NULL);
 
   result->n_providers = n_providers;
-  result->providers = g_memdup (providers, sizeof (GdkContentProvider *) * n_providers);
+  result->providers = g_memdup2 (providers, sizeof (GdkContentProvider *) * n_providers);
 
   for (i = 0; i < n_providers; i++)
     {
diff --git a/gdk/gdkevents.c b/gdk/gdkevents.c
index 177f06d494..2ce34f80ec 100644
--- a/gdk/gdkevents.c
+++ b/gdk/gdkevents.c
@@ -332,7 +332,7 @@ gdk_event_type_register_static (const char             *type_name,
   info.base_finalize = NULL;
   info.class_init = gdk_event_generic_class_init;
   info.class_finalize = NULL;
-  info.class_data = g_memdup (type_info, sizeof (GdkEventTypeInfo));
+  info.class_data = g_memdup2 (type_info, sizeof (GdkEventTypeInfo));
 
   info.instance_size = type_info->instance_size;
   info.n_preallocs = 0;
@@ -1146,7 +1146,7 @@ gdk_event_dup_axes (GdkEvent *event)
 
   if (gdk_event_get_axes (event, &axes, &n_axes))
     {
-      double *axes_copy = g_memdup (axes, n_axes * sizeof (double));
+      double *axes_copy = g_memdup2 (axes, n_axes * sizeof (double));
 
       return axes_copy;
     }