diff --git a/src/Response.cpp b/src/Response.cpp
index 41e2a49..4565dc0 100644
--- a/src/Response.cpp
+++ b/src/Response.cpp
@@ -41,7 +41,8 @@ etcd::Response::Response(const etcdv3::V3Response& reply)
     _value = Value(reply.values[0]);
   }
   
-  _prev_value = Value(reply.prev_value);
+  if(reply.prev_values.size() == 1)
+    _prev_value = Value(reply.prev_values[0]);
 }
 
 
diff --git a/v3/include/V3Response.hpp b/v3/include/V3Response.hpp
index eae7617..de17bbb 100644
--- a/v3/include/V3Response.hpp
+++ b/v3/include/V3Response.hpp
@@ -9,19 +9,13 @@ namespace etcdv3
   class V3Response
   {
     public:
-    V3Response(): error_code(0), index(00) 
-    {
-        prev_value.set_key("");
-        prev_value.set_create_revision(0);
-        prev_value.set_mod_revision(0);
-        prev_value.set_value("");
-    };
+    V3Response(): error_code(0), index(0) {};
     int error_code;
     std::string error_message;
     int index;
     std::string action;
     std::vector<mvccpb::KeyValue> values;
-    mvccpb::KeyValue prev_value;
+    std::vector<mvccpb::KeyValue> prev_values;
   };
 }
 #endif
diff --git a/v3/src/AsyncRangeResponse.cpp b/v3/src/AsyncRangeResponse.cpp
index f306956..682c7a2 100644
--- a/v3/src/AsyncRangeResponse.cpp
+++ b/v3/src/AsyncRangeResponse.cpp
@@ -7,10 +7,7 @@ etcdv3::AsyncRangeResponse::AsyncRangeResponse(const etcdv3::AsyncRangeResponse&
   index = other.index;
   action = other.action;
   values = other.values;
-  prev_value.set_key(other.prev_value.key());
-  prev_value.set_value(other.prev_value.value());
-  prev_value.set_create_revision(other.prev_value.create_revision());
-  prev_value.set_mod_revision(other.prev_value.mod_revision());
+  prev_values = other.prev_values;
 
 }
 
@@ -21,10 +18,7 @@ etcdv3::AsyncRangeResponse& etcdv3::AsyncRangeResponse::operator=(const etcdv3::
   index = other.index;
   action = other.action;
   values = other.values;
-  prev_value.set_key(other.prev_value.key());
-  prev_value.set_value(other.prev_value.value());
-  prev_value.set_create_revision(other.prev_value.create_revision());
-  prev_value.set_mod_revision(other.prev_value.mod_revision());
+  prev_values = other.prev_values;
   return *this;
 }
 
@@ -47,8 +41,6 @@ etcdv3::AsyncRangeResponse& etcdv3::AsyncRangeResponse::ParseResponse()
 
     for(int index=0; index < reply.kvs_size(); index++)
     {
-      std::cout << "key: " << reply.kvs(index).key() << std::endl;
-      std::cout << "value: " << reply.kvs(index).value()<< std::endl;
       values.push_back(reply.kvs(index)); 
     }
   }
diff --git a/v3/src/AsyncTxnResponse.cpp b/v3/src/AsyncTxnResponse.cpp
index 9ca4626..f0a5c11 100644
--- a/v3/src/AsyncTxnResponse.cpp
+++ b/v3/src/AsyncTxnResponse.cpp
@@ -11,10 +11,7 @@ etcdv3::AsyncTxnResponse::AsyncTxnResponse(const etcdv3::AsyncTxnResponse& other
   index = other.index;
   action = other.action;
   values = other.values;
-  prev_value.set_key(other.prev_value.key());
-  prev_value.set_value(other.prev_value.value());
-  prev_value.set_create_revision(other.prev_value.create_revision());
-  prev_value.set_mod_revision(other.prev_value.mod_revision());
+  prev_values = other.prev_values;
 
 }
 
@@ -25,10 +22,7 @@ etcdv3::AsyncTxnResponse& etcdv3::AsyncTxnResponse::operator=(const etcdv3::Asyn
   index = other.index;
   action = other.action;
   values = other.values;
-  prev_value.set_key(other.prev_value.key());
-  prev_value.set_value(other.prev_value.value());
-  prev_value.set_create_revision(other.prev_value.create_revision());
-  prev_value.set_mod_revision(other.prev_value.mod_revision());
+  prev_values = other.prev_values;
   return *this;
 }
 
@@ -44,6 +38,7 @@ etcdv3::AsyncTxnResponse& etcdv3::AsyncTxnResponse::ParseResponse()
   else
   {
     std::vector<mvccpb::KeyValue> range_kvs;
+    std::vector<mvccpb::KeyValue> prev_range_kvs;
     for(int index=0; index < reply.responses_size(); index++)
     {
       auto resp = reply.responses(index);
@@ -58,7 +53,8 @@ etcdv3::AsyncTxnResponse& etcdv3::AsyncTxnResponse::ParseResponse()
 
         if(!v3resp.values.empty())
         {
-          range_kvs.insert(range_kvs.end(), v3resp.values.begin(), v3resp.values.end());
+          prev_range_kvs=range_kvs;
+          range_kvs = v3resp.values;
         }
       }
       else if(ResponseOp::ResponseCase::kResponseDeleteRange == resp.response_case())
@@ -81,26 +77,15 @@ etcdv3::AsyncTxnResponse& etcdv3::AsyncTxnResponse::ParseResponse()
       }
     }
 
-    //find previous value of key
-    //retain only the last value gotten as the final value.
-     if(action == "set" || action == "create" || action == "compareAndSwap" || action == "update")
-     {
-       if(range_kvs.size() > 1)
-       {
-         prev_value = range_kvs.front();
-         values.push_back(range_kvs.back());
-       }
-       else
-       {
-         values = range_kvs;
-       }
-     }
-     else
-     {
-       values = range_kvs;
-     }
-     
-  }
-        
+    prev_values = prev_range_kvs;
+
+    values = range_kvs;    
+
+    if(action == "delete")
+    {
+      prev_values = values;
+    }
+
+  }       
   return *this;
 }