diff --git a/girepository/cmph-bdz-test.c b/girepository/cmph-bdz-test.c
index cf74f1a52006362338891d01e0e155d35a2bc56c..8a9accecb03c964c847c8cd7f13b8d6a904dc435 100644
--- a/girepository/cmph-bdz-test.c
+++ b/girepository/cmph-bdz-test.c
@@ -42,6 +42,10 @@ build (void)
   size = cmph_size (c);
   g_assert (size == g_strv_length (strings));
 
+  cmph_config_destroy (config);
+  cmph_io_vector_adapter_destroy (io);
+  g_strfreev (strings);
+
   return c;
 }
 
@@ -87,6 +91,8 @@ test_search (void)
   hashes[i++] = hash;
 
   assert_hashes_unique (G_N_ELEMENTS (hashes), &hashes[0]);
+
+  cmph_destroy (c);
 }
 
 static void
@@ -123,6 +129,8 @@ test_search_packed (void)
   hashes[i++] = hash;
 
   assert_hashes_unique (G_N_ELEMENTS (hashes), &hashes[0]);
+
+  g_free (buf);
 }
 
 int
diff --git a/glib/gutils.c b/glib/gutils.c
index dfe115843e1c5f28fa80cf2147d106543cb4f58e..ffc7d750c7fa45f389ec827a625e2256f8ca3a6a 100644
--- a/glib/gutils.c
+++ b/glib/gutils.c
@@ -1883,6 +1883,7 @@ g_build_user_data_dir (void)
   if (!data_dir || !data_dir[0])
     {
       gchar *home_dir = g_build_home_dir ();
+      g_free (data_dir);
       data_dir = g_build_filename (home_dir, ".local", "share", NULL);
       g_free (home_dir);
     }
diff --git a/tools/glib.supp b/tools/glib.supp
index aaf97dac08e187a63c7908dc4fb47601e73e0949..cb379e2f5a03e52a46d9bdc7ce78391835152020 100644
--- a/tools/glib.supp
+++ b/tools/glib.supp
@@ -867,7 +867,7 @@
 {
 	g_get_system_data_dirs
 	Memcheck:Leak
-	match-leak-kinds:reachable
+	match-leak-kinds:definite,reachable
 	fun:malloc
 	...
 	fun:g_build_system_data_dirs
@@ -878,7 +878,7 @@
 {
 	g_get_user_data_dir
 	Memcheck:Leak
-	match-leak-kinds:reachable
+	match-leak-kinds:definite,reachable
 	fun:realloc
 	...
 	fun:g_build_user_data_dir
@@ -889,7 +889,7 @@
 {
 	g_get_home_dir
 	Memcheck:Leak
-	match-leak-kinds:reachable
+	match-leak-kinds:definite,reachable
 	fun:malloc
 	...
 	fun:g_build_home_dir