diff --git a/src/coins.h b/src/coins.h
index b10c7ea9a..833e066c3 100644
--- a/src/coins.h
+++ b/src/coins.h
@@ -207,12 +207,12 @@ public:
     CCoinsViewCache(CCoinsView *baseIn);
 
     // Standard CCoinsView methods
-    bool GetCoin(const COutPoint &outpoint, Coin &coin) const;
-    bool HaveCoin(const COutPoint &outpoint) const;
-    uint256 GetBestBlock() const;
+    bool GetCoin(const COutPoint &outpoint, Coin &coin) const override;
+    bool HaveCoin(const COutPoint &outpoint) const override;
+    uint256 GetBestBlock() const override;
     void SetBestBlock(const uint256 &hashBlock);
-    bool BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock);
-    CCoinsViewCursor* Cursor() const {
+    bool BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) override;
+    CCoinsViewCursor* Cursor() const override {
         throw std::logic_error("CCoinsViewCache cursor iteration not supported.");
     }
 
diff --git a/src/test/coins_tests.cpp b/src/test/coins_tests.cpp
index 0ed71b96f..40801ab16 100644
--- a/src/test/coins_tests.cpp
+++ b/src/test/coins_tests.cpp
@@ -37,7 +37,7 @@ class CCoinsViewTest : public CCoinsView
     std::map<COutPoint, Coin> map_;
 
 public:
-    bool GetCoin(const COutPoint& outpoint, Coin& coin) const
+    bool GetCoin(const COutPoint& outpoint, Coin& coin) const override
     {
         std::map<COutPoint, Coin>::const_iterator it = map_.find(outpoint);
         if (it == map_.end()) {
@@ -51,15 +51,15 @@ public:
         return true;
     }
 
-    bool HaveCoin(const COutPoint& outpoint) const
+    bool HaveCoin(const COutPoint& outpoint) const override
     {
         Coin coin;
         return GetCoin(outpoint, coin);
     }
 
-    uint256 GetBestBlock() const { return hashBestBlock_; }
+    uint256 GetBestBlock() const override { return hashBestBlock_; }
 
-    bool BatchWrite(CCoinsMap& mapCoins, const uint256& hashBlock)
+    bool BatchWrite(CCoinsMap& mapCoins, const uint256& hashBlock) override
     {
         for (CCoinsMap::iterator it = mapCoins.begin(); it != mapCoins.end(); ) {
             if (it->second.flags & CCoinsCacheEntry::DIRTY) {