diff --git a/src/inference/src/dev/core_impl.hpp b/src/inference/src/dev/core_impl.hpp
index 2d13d56cd9a80c..7bbab14e4d8c14 100644
--- a/src/inference/src/dev/core_impl.hpp
+++ b/src/inference/src/dev/core_impl.hpp
@@ -26,6 +26,7 @@ class CoreConfig final {
 public:
     CoreConfig() = default;
     CoreConfig(const CoreConfig& other);
+    CoreConfig& operator=(const CoreConfig&) = delete;
 
     struct CacheConfig {
         std::string _cacheDir;