diff --git a/src/App/PropertyExpressionEngine.cpp b/src/App/PropertyExpressionEngine.cpp
index c0e5dafec..841fe32a8 100644
--- a/src/App/PropertyExpressionEngine.cpp
+++ b/src/App/PropertyExpressionEngine.cpp
@@ -722,24 +722,6 @@ void PropertyExpressionEngine::renameObjectIdentifiers(const std::map<ObjectIden
     }
 }
 
-/**
- * @brief Get set of registered object identifiers.
- * @return Set of object identifiers.
- */
-
-std::set<ObjectIdentifier> PropertyExpressionEngine::getPaths() const
-{
-    ExpressionMap::const_iterator i = expressions.begin();
-    std::set<ObjectIdentifier> result;
-
-    while (i != expressions.end()) {
-        result.insert(i->first);
-        ++i;
-    }
-
-    return result;
-}
-
 PyObject *PropertyExpressionEngine::getPyObject(void)
 {
     Py_Return;
diff --git a/src/App/PropertyExpressionEngine.h b/src/App/PropertyExpressionEngine.h
index 078725b0d..5b222bb41 100644
--- a/src/App/PropertyExpressionEngine.h
+++ b/src/App/PropertyExpressionEngine.h
@@ -112,8 +112,6 @@ public:
 
     void renameObjectIdentifiers(const std::map<App::ObjectIdentifier, App::ObjectIdentifier> & paths);
 
-    std::set<App::ObjectIdentifier> getPaths() const;
-
     const App::ObjectIdentifier canonicalPath(const App::ObjectIdentifier &p) const;
 
     size_t numExpressions() const;