diff --git a/gtksourceview/gtksourcebindinggroup.c b/gtksourceview/gtksourcebindinggroup.c
index 4d1ccda2ed5a4cdf10e10957ff4f1ad18ed1c408..2d4f90b59217c672b4af1957028a1835c02aa019 100644
--- a/gtksourceview/gtksourcebindinggroup.c
+++ b/gtksourceview/gtksourcebindinggroup.c
@@ -116,7 +116,7 @@ gtk_source_binding_group_connect (GtkSourceBindingGroup *self,
 #ifdef DEBUG_BINDINGS
 	{
 		GFlagsClass *flags_class;
-		g_autofree gchar *flags_str = NULL;
+		gchar *flags_str = NULL;
 
 		flags_class = g_type_class_ref (G_TYPE_BINDING_FLAGS);
 		flags_str = _g_flags_to_string (flags_class, lazy_binding->binding_flags);
@@ -130,6 +130,7 @@ gtk_source_binding_group_connect (GtkSourceBindingGroup *self,
 		         lazy_binding->target_property,
 		         flags_str);
 
+		g_free (flags_str);
 		g_type_class_unref (flags_class);
 	}
 #endif
diff --git a/gtksourceview/gtksourcemap.c b/gtksourceview/gtksourcemap.c
index b741d9e5db787c83ca4a6aade2d1e59fc7c340dd..968f2c0f6af7a1496f8624918518e94e4a3c1d1f 100644
--- a/gtksourceview/gtksourcemap.c
+++ b/gtksourceview/gtksourcemap.c
@@ -1191,7 +1191,7 @@ gtk_source_map_constructed (GObject *object)
 {
 	G_OBJECT_CLASS (gtk_source_map_parent_class)->constructed (object);
 
-#ifdef ENABLE_FONT_CONFIG
+#if ENABLE_FONT_CONFIG
 	load_override_font (GTK_SOURCE_MAP (object));
 #endif
 }
diff --git a/gtksourceview/gtksourcescheduler.c b/gtksourceview/gtksourcescheduler.c
index c0d2f5edcc0d806136e1ce9e94f8a00b03a0d49e..c2ad5eb7aabafa6e26ea79399522dbb95258441b 100644
--- a/gtksourceview/gtksourcescheduler.c
+++ b/gtksourceview/gtksourcescheduler.c
@@ -117,11 +117,13 @@ get_interval (GtkSourceScheduler *self)
 
 		for (guint i = 0; i < n_items; i++)
 		{
-			g_autoptr(GdkMonitor) monitor = g_list_model_get_item (monitors, i);
+			GdkMonitor *monitor = g_list_model_get_item (monitors, i);
 			gint64 interval = gdk_monitor_get_refresh_rate (monitor);
 
 			if (interval != 0 && interval < lowest_interval)
 				lowest_interval = interval;
+
+			g_object_unref (monitor);
 		}
 
 		self->interval = (double)G_USEC_PER_SEC / (double)lowest_interval * 1000.0;
diff --git a/gtksourceview/gtksourcesnippetbundle-parser.c b/gtksourceview/gtksourcesnippetbundle-parser.c
index 62c02f7f80b40efecbea23d5f8f6ece1cae5c37c..3f7f6f0781bdbabe3160d46e6f61b07f08e33c96 100644
--- a/gtksourceview/gtksourcesnippetbundle-parser.c
+++ b/gtksourceview/gtksourcesnippetbundle-parser.c
@@ -20,6 +20,7 @@
 #include "config.h"
 
 #include <errno.h>
+#include <stdlib.h>
 
 #include "gtksourcesnippetbundle-private.h"
 #include "gtksourcesnippetchunk.h"
diff --git a/tests/test-load.c b/tests/test-load.c
index 033ec27487521b324ba8c89142f5728ea8146d63..2fe040c213f65958f98f0056472150db8d93ec1b 100644
--- a/tests/test-load.c
+++ b/tests/test-load.c
@@ -6,12 +6,13 @@ finished_cb (GObject      *object,
              GAsyncResult *result,
              gpointer      user_data)
 {
-  g_autoptr(GError) error = NULL;
+  GError *error = NULL;
   GMainLoop *loop = user_data;
 
   if (!gtk_source_file_loader_load_finish (GTK_SOURCE_FILE_LOADER (object), result, &error))
     g_printerr ("Error loading file: %s\n", error->message);
 
+  g_clear_error (&error);
   g_main_loop_quit (loop);
 }
 
@@ -19,11 +20,11 @@ int
 main (int argc,
       char *argv[])
 {
-  g_autoptr(GFile) file = NULL;
-  g_autoptr(GMainLoop) loop = NULL;
-  g_autoptr(GtkSourceBuffer) buffer = NULL;
-  g_autoptr(GtkSourceFile) sfile = NULL;
-  g_autoptr(GtkSourceFileLoader) loader = NULL;
+  GFile *file = NULL;
+  GMainLoop *loop = NULL;
+  GtkSourceBuffer *buffer = NULL;
+  GtkSourceFile *sfile = NULL;
+  GtkSourceFileLoader *loader = NULL;
 
   if (argc != 2)
     {
@@ -44,5 +45,10 @@ main (int argc,
 
   g_main_loop_run (loop);
 
+  g_object_unref (loader);
+  g_object_unref (sfile);
+  g_object_unref (buffer);
+  g_object_unref (file);
+  g_main_loop_unref (loop);
   return EXIT_SUCCESS;
 }
diff --git a/testsuite/test-regex.c b/testsuite/test-regex.c
index 55a3e8b05f9c5950f8d8b5dab5d13b2913b85ce9..c1add0e941f9d1c02ba0e9a064e8f3daa7027906 100644
--- a/testsuite/test-regex.c
+++ b/testsuite/test-regex.c
@@ -217,7 +217,7 @@ test_issue_198 (void)
   GError *error = NULL;
   ImplRegex *re = impl_regex_new ("(a)*", 0, 0, &error);
   ImplMatchInfo *mi = NULL;
-  g_autofree char *aaa = g_malloc (8192);
+  char *aaa = g_malloc (8192);
   gboolean r;
 
   g_assert_no_error (error);
@@ -230,6 +230,7 @@ test_issue_198 (void)
   g_assert_nonnull (mi);
   g_assert_true (r);
 
+  g_free (aaa);
   g_clear_pointer (&mi, impl_match_info_free);
   g_clear_pointer (&re, impl_regex_unref);
 }