diff --git a/Runtime/CToken.cpp b/Runtime/CToken.cpp
index e30daf34f..38bfa24ed 100644
--- a/Runtime/CToken.cpp
+++ b/Runtime/CToken.cpp
@@ -112,7 +112,7 @@ CToken& CToken::operator=(const CToken& other) {
   }
   return *this;
 }
-CToken& CToken::operator=(CToken&& other) {
+CToken& CToken::operator=(CToken&& other) noexcept {
   Unlock();
   RemoveRef();
   x0_objRef = other.x0_objRef;
diff --git a/Runtime/CToken.hpp b/Runtime/CToken.hpp
index ba8722d2b..18b37779c 100644
--- a/Runtime/CToken.hpp
+++ b/Runtime/CToken.hpp
@@ -84,7 +84,7 @@ public:
   IObj* GetObj();
   const IObj* GetObj() const { return const_cast<CToken*>(this)->GetObj(); }
   CToken& operator=(const CToken& other);
-  CToken& operator=(CToken&& other);
+  CToken& operator=(CToken&& other) noexcept;
   CToken() = default;
   CToken(const CToken& other);
   CToken(CToken&& other) noexcept;
@@ -153,7 +153,7 @@ public:
     m_obj = nullptr;
     return *this;
   }
-  TCachedToken& operator=(const CToken& other) {
+  TCachedToken& operator=(const CToken& other) override {
     TToken<T>::operator=(other);
     m_obj = nullptr;
     return *this;
@@ -172,7 +172,7 @@ public:
     return *this;
   }
   TLockedToken(const CToken& other) : TCachedToken<T>(other) { CToken::Lock(); }
-  TLockedToken& operator=(const CToken& other) {
+  TLockedToken& operator=(const CToken& other) override {
     CToken oldTok = std::move(*this);
     TCachedToken<T>::operator=(other);
     CToken::Lock();