diff --git a/src/backend.cpp b/src/backend.cpp
index d34c478..45cd64f 100644
--- a/src/backend.cpp
+++ b/src/backend.cpp
@@ -40,6 +40,7 @@
 #include "cryptonote_basic/cryptonote_format_utils.h" // monero/src
 #include "error.h"
 #include "hex.h"               // monero/src
+#include "int-util.h"          // monero/contrib/epee/include
 #include "lwsf_config.h"
 #include "net/websocket.h"
 #include "ringct/rctOps.h"
diff --git a/src/wallet.h b/src/wallet.h
index ae7ed85..572c293 100644
--- a/src/wallet.h
+++ b/src/wallet.h
@@ -229,6 +229,14 @@ namespace internal
      */
     virtual bool init(const std::string &daemon_address, uint64_t, const std::string &daemon_username = "", const std::string &daemon_password = "", bool use_ssl = false, bool lightWallet = false, const std::string &proxy_address = "") override;
 
+#ifdef LWSF_MASTER_ENABLE
+    virtual void allowMismatchedDaemonVersion(bool allow_mismatch) override
+    {}
+
+    virtual void setRingDatabase(const std::string &path) override
+    { throw std::logic_error{"lwsf does not support ring database"}; }
+#endif
+
    /*!
     * \brief createWatchOnly - Creates a watch only wallet
     * \param path - where to store the wallet