diff --git a/src/keystore.h b/src/keystore.h
--- a/src/keystore.h
+++ b/src/keystore.h
@@ -68,16 +68,16 @@
     bool HaveKey(const CKeyID &address) const override;
     std::set<CKeyID> GetKeys() const override;
     bool GetKey(const CKeyID &address, CKey &keyOut) const override;
-    virtual bool AddCScript(const CScript &redeemScript) override;
-    virtual bool HaveCScript(const CScriptID &hash) const override;
+    bool AddCScript(const CScript &redeemScript) override;
+    bool HaveCScript(const CScriptID &hash) const override;
     std::set<CScriptID> GetCScripts() const override;
-    virtual bool GetCScript(const CScriptID &hash,
-                            CScript &redeemScriptOut) const override;
+    bool GetCScript(const CScriptID &hash,
+                    CScript &redeemScriptOut) const override;
 
-    virtual bool AddWatchOnly(const CScript &dest) override;
-    virtual bool RemoveWatchOnly(const CScript &dest) override;
-    virtual bool HaveWatchOnly(const CScript &dest) const override;
-    virtual bool HaveWatchOnly() const override;
+    bool AddWatchOnly(const CScript &dest) override;
+    bool RemoveWatchOnly(const CScript &dest) override;
+    bool HaveWatchOnly(const CScript &dest) const override;
+    bool HaveWatchOnly() const override;
 };
 
 typedef std::vector<uint8_t, secure_allocator<uint8_t>> CKeyingMaterial;