diff --git a/src/kernel/config.c b/src/kernel/config.c
index 1de8c8c5f..0e3d9802e 100644
--- a/src/kernel/config.c
+++ b/src/kernel/config.c
@@ -1144,6 +1144,7 @@ void kernel_done(void)
      * calling it is optional, e.g. a release server will most likely not do it.
      */
     translation_done();
+    free_attribs();
 }
 
 attrib_type at_germs = {
diff --git a/src/util/attrib.c b/src/util/attrib.c
index d344cdc07..5cf9957c6 100644
--- a/src/util/attrib.c
+++ b/src/util/attrib.c
@@ -355,3 +355,7 @@ void a_write(struct storage *store, const attrib * attribs, const void *owner)
     }
     WRITE_TOK(store, "end");
 }
+
+void free_attribs(void) {
+    cb_clear(&cb_deprecated);
+}
diff --git a/src/util/attrib.h b/src/util/attrib.h
index 7dc3e1a3d..4c71f36f6 100644
--- a/src/util/attrib.h
+++ b/src/util/attrib.h
@@ -79,6 +79,8 @@ extern "C" {
     extern void a_write(struct storage *store, const attrib * attribs,
         const void *owner);
 
+    void free_attribs(void);
+
 #define DEFAULT_AGE NULL
 #define DEFAULT_INIT NULL
 #define DEFAULT_FINALIZE NULL