diff --git a/src/primitives/block.h b/src/primitives/block.h
index dda9a9d609..4ec1cf75ca 100644
--- a/src/primitives/block.h
+++ b/src/primitives/block.h
@@ -130,10 +130,7 @@ struct CBlockLocator
 
     CBlockLocator() {}
 
-    CBlockLocator(const std::vector<uint256>& vHaveIn)
-    {
-        vHave = vHaveIn;
-    }
+    CBlockLocator(const std::vector<uint256>& vHaveIn) : vHave(vHaveIn) {}
 
     ADD_SERIALIZE_METHODS;
 
diff --git a/src/protocol.cpp b/src/protocol.cpp
index 48146ee8f9..3449b54f80 100644
--- a/src/protocol.cpp
+++ b/src/protocol.cpp
@@ -257,11 +257,7 @@ CInv::CInv()
     hash.SetNull();
 }
 
-CInv::CInv(int typeIn, const uint256& hashIn)
-{
-    type = typeIn;
-    hash = hashIn;
-}
+CInv::CInv(int typeIn, const uint256& hashIn) : type(typeIn), hash(hashIn) {}
 
 CInv::CInv(const std::string& strType, const uint256& hashIn)
 {
diff --git a/src/rpc/server.h b/src/rpc/server.h
index 98e2bddbe5..de3b74ead2 100644
--- a/src/rpc/server.h
+++ b/src/rpc/server.h
@@ -48,7 +48,7 @@ public:
     std::string URI;
     std::string authUser;
 
-    JSONRPCRequest() { id = NullUniValue; params = NullUniValue; fHelp = false; }
+    JSONRPCRequest() : id(NullUniValue), params(NullUniValue), fHelp(false) {}
     void parse(const UniValue& valRequest);
 };
 
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 0dc655672a..7eb94c2cdc 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -159,10 +159,7 @@ public:
     std::string name;
     std::string purpose;
 
-    CAddressBookData()
-    {
-        purpose = "unknown";
-    }
+    CAddressBookData() : purpose("unknown") {}
 
     typedef std::map<std::string, std::string> StringMap;
     StringMap destdata;