diff --git a/csrc/buffer.h b/csrc/buffer.h
index 14e6c633..afea8de1 100644
--- a/csrc/buffer.h
+++ b/csrc/buffer.h
@@ -598,6 +598,12 @@ class JByteArrayCritical {
     ~JByteArrayCritical();
     unsigned char* get();
 
+#ifdef HAVE_CPP11
+    // deleting copy constructor and copy assignment to satisfy rule of three
+    JByteArrayCritical(const JByteArrayCritical&) = delete;
+    JByteArrayCritical& operator=(const JByteArrayCritical&) = delete;
+#endif
+
 private:
     void* ptr_;
     JNIEnv* env_;
@@ -610,6 +616,12 @@ class SimpleBuffer {
     ~SimpleBuffer();
     uint8_t* get_buffer();
 
+#ifdef HAVE_CPP11
+    // deleting copy constructor and copy assignment to satisfy rule of three
+    SimpleBuffer(const SimpleBuffer&) = delete;
+    SimpleBuffer& operator=(const SimpleBuffer&) = delete;
+#endif
+
 private:
     uint8_t* buffer_;
 };
@@ -623,6 +635,12 @@ class JBinaryBlob {
     ~JBinaryBlob();
     uint8_t* get();
 
+#ifdef HAVE_CPP11
+    // deleting copy constructor and copy assignment to satisfy rule of three
+    JBinaryBlob(const JBinaryBlob&) = delete;
+    JBinaryBlob& operator=(const JBinaryBlob&) = delete;
+#endif
+
 private:
     // The native pointer that is either backed by a direct ByteBuffer or a byte array.
     uint8_t* ptr_;
@@ -649,6 +667,12 @@ class JIOBlobs {
     uint8_t* get_input();
     uint8_t* get_output();
 
+#ifdef HAVE_CPP11
+    // deleting copy constructor and copy assignment to satisfy rule of three
+    JIOBlobs(const JIOBlobs&) = delete;
+    JIOBlobs& operator=(const JIOBlobs&) = delete;
+#endif
+
 private:
     // The native pointers that are either backed by a direct ByteBuffer or a byte array.
     uint8_t* input_ptr_;