diff --git a/src/wallet/bdb.cpp b/src/wallet/bdb.cpp
index a3a56aa51c8..267b147f38a 100644
--- a/src/wallet/bdb.cpp
+++ b/src/wallet/bdb.cpp
@@ -804,7 +804,7 @@ std::string BerkeleyDatabaseVersion()
     return DbEnv::version(nullptr, nullptr, nullptr);
 }
 
-bool BerkeleyBatch::ReadKey(CDataStream& key, CDataStream& value)
+bool BerkeleyBatch::ReadKey(CDataStream&& key, CDataStream& value)
 {
     if (!pdb)
         return false;
@@ -820,7 +820,7 @@ bool BerkeleyBatch::ReadKey(CDataStream& key, CDataStream& value)
     return false;
 }
 
-bool BerkeleyBatch::WriteKey(CDataStream& key, CDataStream& value, bool overwrite)
+bool BerkeleyBatch::WriteKey(CDataStream&& key, CDataStream&& value, bool overwrite)
 {
     if (!pdb)
         return true;
@@ -835,7 +835,7 @@ bool BerkeleyBatch::WriteKey(CDataStream& key, CDataStream& value, bool overwrit
     return (ret == 0);
 }
 
-bool BerkeleyBatch::EraseKey(CDataStream& key)
+bool BerkeleyBatch::EraseKey(CDataStream&& key)
 {
     if (!pdb)
         return false;
@@ -848,7 +848,7 @@ bool BerkeleyBatch::EraseKey(CDataStream& key)
     return (ret == 0 || ret == DB_NOTFOUND);
 }
 
-bool BerkeleyBatch::HasKey(CDataStream& key)
+bool BerkeleyBatch::HasKey(CDataStream&& key)
 {
     if (!pdb)
         return false;
diff --git a/src/wallet/bdb.h b/src/wallet/bdb.h
index a2eaf950012..91116afd019 100644
--- a/src/wallet/bdb.h
+++ b/src/wallet/bdb.h
@@ -189,10 +189,10 @@ class BerkeleyBatch
     };
 
 private:
-    bool ReadKey(CDataStream& key, CDataStream& value);
-    bool WriteKey(CDataStream& key, CDataStream& value, bool overwrite=true);
-    bool EraseKey(CDataStream& key);
-    bool HasKey(CDataStream& key);
+    bool ReadKey(CDataStream&& key, CDataStream& value);
+    bool WriteKey(CDataStream&& key, CDataStream&& value, bool overwrite = true);
+    bool EraseKey(CDataStream&& key);
+    bool HasKey(CDataStream&& key);
 
 protected:
     Db* pdb;
@@ -228,7 +228,7 @@ public:
         ssKey << key;
 
         CDataStream ssValue(SER_DISK, CLIENT_VERSION);
-        if (!ReadKey(ssKey, ssValue)) return false;
+        if (!ReadKey(std::move(ssKey), ssValue)) return false;
         try {
             ssValue >> value;
             return true;
@@ -248,7 +248,7 @@ public:
         ssValue.reserve(10000);
         ssValue << value;
 
-        return WriteKey(ssKey, ssValue, fOverwrite);
+        return WriteKey(std::move(ssKey), std::move(ssValue), fOverwrite);
     }
 
     template <typename K>
@@ -258,7 +258,7 @@ public:
         ssKey.reserve(1000);
         ssKey << key;
 
-        return EraseKey(ssKey);
+        return EraseKey(std::move(ssKey));
     }
 
     template <typename K>
@@ -268,7 +268,7 @@ public:
         ssKey.reserve(1000);
         ssKey << key;
 
-        return HasKey(ssKey);
+        return HasKey(std::move(ssKey));
     }
 
     Dbc* GetCursor();