diff --git a/res/eressea/items.xml b/res/eressea/items.xml
index a785691fe..3f5cc3d17 100644
--- a/res/eressea/items.xml
+++ b/res/eressea/items.xml
@@ -54,30 +54,22 @@
 <!-- museum items -->
   <resource name="questkey1" appearance="key">
     <!-- Key for an old quest. placeholder item -->
-    <item notlost="yes" weight="0" >
-      <function name="use" value="use_museumkey"/>
-    </item>
+    <item notlost="yes" weight="0" use="yes" />
   </resource>
 
   <resource name="questkey2" appearance="key">
     <!-- Key for an old quest. placeholder item -->
-    <item notlost="yes" weight="0" >
-      <function name="use" value="use_museumkey"/>
-    </item>
+    <item notlost="yes" weight="0" use="yes" />
   </resource>
 
   <resource name="museumexitticket">
     <!-- you get your stuff back when leaving the museum -->
-    <item notlost="yes" weight="0">
-      <function name="use" value="use_museumexitticket"/>
-    </item>
+    <item notlost="yes" weight="0" use="yes" />
   </resource>
 
   <resource name="museumticket">
     <!-- you get your stuff back when leaving the museum -->
-    <item weight="0">
-      <function name="use" value="use_museumticket"/>
-    </item>
+    <item weight="0" use="yes" />
   </resource>
 
 <!-- gimmicks, etc. -->
diff --git a/src/helpers.c b/src/helpers.c
index 5124ca0ae..e8e6521c4 100644
--- a/src/helpers.c
+++ b/src/helpers.c
@@ -529,9 +529,6 @@ use_item_lua(unit *u, const item_type *itype, int amount, struct order *ord)
     } else {
         log_error("no such callout: %s", fname);
     }
-    if (itype->use) {
-        return itype->use(u, itype, amount, ord);
-    }
     log_error("use(%s) calling '%s': not a function.\n", unitname(u), fname);
     lua_pop(L, 1);
 
diff --git a/src/kernel/item.h b/src/kernel/item.h
index b0bc10cd8..14196ab37 100644
--- a/src/kernel/item.h
+++ b/src/kernel/item.h
@@ -126,8 +126,6 @@ extern "C" {
         /* --- functions --- */
         bool(*canuse) (const struct unit * user,
             const struct item_type * itype);
-        int(*use) (struct unit * user, const struct item_type * itype, int amount,
-        struct order * ord);
         int(*give) (struct unit * src, struct unit * dest,
             const struct item_type * itm, int number, struct order * ord);
         int score;
@@ -310,8 +308,6 @@ extern "C" {
         const struct item_type *, int, struct order *), const char *name);
     void register_item_use(int(*foo) (struct unit *,
         const struct item_type *, int, struct order *), const char *name);
-    void register_item_useonother(int(*foo) (struct unit *, int,
-        const struct item_type *, int, struct order *), const char *name);
 
     void free_resources(void);
 
diff --git a/src/kernel/xmlreader.c b/src/kernel/xmlreader.c
index 69e9c22d0..af0a9dd23 100644
--- a/src/kernel/xmlreader.c
+++ b/src/kernel/xmlreader.c
@@ -854,13 +854,6 @@ static item_type *xml_readitem(xmlXPathContextPtr xpath, resource_type * rtype)
                 (int(*)(struct unit *, struct unit *, const struct item_type *, int,
             struct order *))fun;
         }
-        else if (strcmp((const char *)propValue, "use") == 0) {
-            log_error("%s has a use function", rtype->_name);
-            itype->flags |= ITF_CANUSE;
-            itype->use =
-                (int(*)(struct unit *, const struct item_type *, int,
-            struct order *))fun;
-        }
         else if (strcmp((const char *)propValue, "canuse") == 0) {
             itype->canuse =
                 (bool(*)(const struct unit *, const struct item_type *))fun;
diff --git a/src/modules/museum.c b/src/modules/museum.c
index af37019d0..1eee3529f 100644
--- a/src/modules/museum.c
+++ b/src/modules/museum.c
@@ -497,9 +497,10 @@ void register_museum(void)
     at_register(&at_museumgivebackcookie);
     at_register(&at_museumgiveback);
 
-    register_item_use(use_museumticket, "use_museumticket");
-    register_item_use(use_museumkey, "use_museumkey");
     register_item_use(use_museumexitticket, "use_museumexitticket");
+    register_item_use(use_museumticket, "use_museumticket");
+    register_item_use(use_museumkey, "use_questkey1");
+    register_item_use(use_museumkey, "use_questkey2");
 }
 
 #endif