diff --git a/ReactCommon/cxxreact/JSBigString.h b/ReactCommon/cxxreact/JSBigString.h
index 14ce3464c4d..bd7297e992c 100644
--- a/ReactCommon/cxxreact/JSBigString.h
+++ b/ReactCommon/cxxreact/JSBigString.h
@@ -82,7 +82,7 @@ class RN_EXPORT JSBigBufferString : public JSBigString {
     m_data[m_size] = '\0';
   }
 
-  ~JSBigBufferString() {
+  ~JSBigBufferString() override {
     delete[] m_data;
   }
 
@@ -111,7 +111,7 @@ class RN_EXPORT JSBigBufferString : public JSBigString {
 class RN_EXPORT JSBigFileString : public JSBigString {
  public:
   JSBigFileString(int fd, size_t size, off_t offset = 0);
-  ~JSBigFileString();
+  ~JSBigFileString() override;
 
   bool isAscii() const override {
     return true;
diff --git a/ReactCommon/hermes/inspector/RuntimeAdapter.h b/ReactCommon/hermes/inspector/RuntimeAdapter.h
index 361c54c62f7..c0788247023 100644
--- a/ReactCommon/hermes/inspector/RuntimeAdapter.h
+++ b/ReactCommon/hermes/inspector/RuntimeAdapter.h
@@ -66,7 +66,7 @@ class INSPECTOR_EXPORT SharedRuntimeAdapter : public RuntimeAdapter {
   SharedRuntimeAdapter(
       std::shared_ptr<jsi::Runtime> runtime,
       debugger::Debugger &debugger);
-  virtual ~SharedRuntimeAdapter();
+  ~SharedRuntimeAdapter() override;
 
   jsi::Runtime &getRuntime() override;
   debugger::Debugger &getDebugger() override;