diff --git a/lib/base/dictionary.cpp b/lib/base/dictionary.cpp
index b8ec3a5e1..7199b212b 100644
--- a/lib/base/dictionary.cpp
+++ b/lib/base/dictionary.cpp
@@ -175,14 +175,12 @@ void Dictionary::Remove(const String& key)
 
 /**
  * Removes all dictionary items.
- *
- * @param overrideFrozen Whether to allow modifying frozen dictionaries.
  */
-void Dictionary::Clear(bool overrideFrozen)
+void Dictionary::Clear()
 {
 	ObjectLock olock(this);
 
-	if (m_Frozen && !overrideFrozen)
+	if (m_Frozen)
 		BOOST_THROW_EXCEPTION(std::invalid_argument("Dictionary must not be modified."));
 
 	m_Data.clear();
diff --git a/lib/base/dictionary.hpp b/lib/base/dictionary.hpp
index 298cdf22c..4e030ff92 100644
--- a/lib/base/dictionary.hpp
+++ b/lib/base/dictionary.hpp
@@ -53,7 +53,7 @@ public:
 
 	void Remove(Iterator it);
 
-	void Clear(bool overrideFrozen = false);
+	void Clear();
 
 	void CopyTo(const Dictionary::Ptr& dest) const;
 	Dictionary::Ptr ShallowClone() const;