diff --git a/Pcap++/header/KniDevice.h b/Pcap++/header/KniDevice.h
index 4af1dbb41..f1102f087 100644
--- a/Pcap++/header/KniDevice.h
+++ b/Pcap++/header/KniDevice.h
@@ -232,10 +232,10 @@ namespace pcpp
 	private:
 		/// All instances of this class MUST be produced by KniDeviceList class
 		KniDevice(const KniDeviceConfiguration& conf, size_t mempoolSize, int unique);
-		/// This class is not copyable
-		KniDevice(const KniDevice&);
-		/// This class is not copyable
-		KniDevice& operator=(const KniDevice&);
+		
+		KniDevice(const KniDevice&) = delete;
+		KniDevice& operator=(const KniDevice&) = delete;
+		
 		/// All instances of this class MUST be destroyed by KniDeviceList class
 		~KniDevice();
 
diff --git a/Pcap++/header/LinuxNicInformationSocket.h b/Pcap++/header/LinuxNicInformationSocket.h
index 8d29e22f9..484f8b201 100644
--- a/Pcap++/header/LinuxNicInformationSocket.h
+++ b/Pcap++/header/LinuxNicInformationSocket.h
@@ -29,6 +29,10 @@ namespace pcpp
 		/// Tries to open handled socket on construction.
 		/// If fails prints the debug message
 		LinuxNicInformationSocket();
+		
+		LinuxNicInformationSocket(const LinuxNicInformationSocket&) = delete;
+		LinuxNicInformationSocket operator=(const LinuxNicInformationSocket&) = delete;
+
 		/// Closes handled socket on destruction.
 		/// If no socket was opened prints the debug message
 		~LinuxNicInformationSocket();
@@ -50,10 +54,6 @@ namespace pcpp
 		bool makeRequest(const char* nicName, const IoctlType ioctlType, ifreq* request);
 
 	private:
-		/// Hidden copy constructor. This structure is not copyable
-		LinuxNicInformationSocket(const LinuxNicInformationSocket&);
-		/// Hidden copy assignment operator. This structure is not copyable
-		LinuxNicInformationSocket operator=(const LinuxNicInformationSocket&);
 		LinuxSocket m_Socket;
 	};
 }  // namespace pcpp