diff --git a/silkworm/db/kv/grpc/client/remote_cursor.cpp b/silkworm/db/kv/grpc/client/remote_cursor.cpp
index 6931d435c0..6f966ec4ac 100644
--- a/silkworm/db/kv/grpc/client/remote_cursor.cpp
+++ b/silkworm/db/kv/grpc/client/remote_cursor.cpp
@@ -49,10 +49,10 @@ Task<api::KeyValue> RemoteCursor::seek(ByteView key) {
     seek_message.set_cursor(cursor_id_);
     seek_message.set_k(key.data(), key.length());
     auto seek_pair = co_await tx_rpc_.write_and_read(seek_message);
-    const auto k = string_to_bytes(seek_pair.k());
-    const auto v = string_to_bytes(seek_pair.v());
+    auto k = string_to_bytes(seek_pair.k());
+    auto v = string_to_bytes(seek_pair.v());
     SILK_DEBUG << "RemoteCursor::seek k: " << k << " v: " << v << " c=" << cursor_id_ << " t=" << clock_time::since(start_time);
-    co_return api::KeyValue{k, v};
+    co_return api::KeyValue{std::move(k), std::move(v)};
 }
 
 Task<api::KeyValue> RemoteCursor::seek_exact(ByteView key) {
@@ -63,10 +63,10 @@ Task<api::KeyValue> RemoteCursor::seek_exact(ByteView key) {
     seek_message.set_cursor(cursor_id_);
     seek_message.set_k(key.data(), key.length());
     auto seek_pair = co_await tx_rpc_.write_and_read(seek_message);
-    const auto k = string_to_bytes(seek_pair.k());
-    const auto v = string_to_bytes(seek_pair.v());
+    auto k = string_to_bytes(seek_pair.k());
+    auto v = string_to_bytes(seek_pair.v());
     SILK_DEBUG << "RemoteCursor::seek_exact k: " << k << " v: " << v << " c=" << cursor_id_ << " t=" << clock_time::since(start_time);
-    co_return api::KeyValue{k, v};
+    co_return api::KeyValue{std::move(k), std::move(v)};
 }
 
 Task<api::KeyValue> RemoteCursor::next() {
@@ -75,10 +75,10 @@ Task<api::KeyValue> RemoteCursor::next() {
     next_message.set_op(remote::Op::NEXT);
     next_message.set_cursor(cursor_id_);
     auto next_pair = co_await tx_rpc_.write_and_read(next_message);
-    const auto k = string_to_bytes(next_pair.k());
-    const auto v = string_to_bytes(next_pair.v());
+    auto k = string_to_bytes(next_pair.k());
+    auto v = string_to_bytes(next_pair.v());
     SILK_DEBUG << "RemoteCursor::next k: " << k << " v: " << v << " c=" << cursor_id_ << " t=" << clock_time::since(start_time);
-    co_return api::KeyValue{k, v};
+    co_return api::KeyValue{std::move(k), std::move(v)};
 }
 
 Task<api::KeyValue> RemoteCursor::previous() {
@@ -87,10 +87,10 @@ Task<api::KeyValue> RemoteCursor::previous() {
     next_message.set_op(remote::Op::PREV);
     next_message.set_cursor(cursor_id_);
     auto next_pair = co_await tx_rpc_.write_and_read(next_message);
-    const auto k = string_to_bytes(next_pair.k());
-    const auto v = string_to_bytes(next_pair.v());
+    auto k = string_to_bytes(next_pair.k());
+    auto v = string_to_bytes(next_pair.v());
     SILK_DEBUG << "RemoteCursor::previous k: " << k << " v: " << v << " c=" << cursor_id_ << " t=" << clock_time::since(start_time);
-    co_return api::KeyValue{k, v};
+    co_return api::KeyValue{std::move(k), std::move(v)};
 }
 
 Task<api::KeyValue> RemoteCursor::next_dup() {
@@ -99,10 +99,10 @@ Task<api::KeyValue> RemoteCursor::next_dup() {
     next_message.set_op(remote::Op::NEXT_DUP);
     next_message.set_cursor(cursor_id_);
     auto next_pair = co_await tx_rpc_.write_and_read(next_message);
-    const auto k = string_to_bytes(next_pair.k());
-    const auto v = string_to_bytes(next_pair.v());
+    auto k = string_to_bytes(next_pair.k());
+    auto v = string_to_bytes(next_pair.v());
     SILK_DEBUG << "RemoteCursor::next k: " << k << " v: " << v << " c=" << cursor_id_ << " t=" << clock_time::since(start_time);
-    co_return api::KeyValue{k, v};
+    co_return api::KeyValue{std::move(k), std::move(v)};
 }
 
 Task<Bytes> RemoteCursor::seek_both(ByteView key, ByteView value) {
@@ -129,10 +129,10 @@ Task<api::KeyValue> RemoteCursor::seek_both_exact(ByteView key, ByteView value)
     seek_message.set_k(key.data(), key.length());
     seek_message.set_v(value.data(), value.length());
     auto seek_pair = co_await tx_rpc_.write_and_read(seek_message);
-    const auto k = string_to_bytes(seek_pair.k());
-    const auto v = string_to_bytes(seek_pair.v());
+    auto k = string_to_bytes(seek_pair.k());
+    auto v = string_to_bytes(seek_pair.v());
     SILK_DEBUG << "RemoteCursor::seek_both_exact k: " << k << " v: " << v << " c=" << cursor_id_ << " t=" << clock_time::since(start_time);
-    co_return api::KeyValue{k, v};
+    co_return api::KeyValue{std::move(k), std::move(v)};
 }
 
 Task<void> RemoteCursor::close_cursor() {