diff --git a/src/net.cpp b/src/net.cpp
index ced7fad161..d122c09e85 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -3090,7 +3090,6 @@ int CConnman::GetBestHeight() const
 }
 
 unsigned int CConnman::GetReceiveFloodSize() const { return nReceiveFloodSize; }
-unsigned int CConnman::GetSendBufferSize() const{ return nSendBufferMaxSize; }
 
 CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress& addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const CAddress &addrBindIn, const std::string& addrNameIn, bool fInboundIn) :
     nTimeConnected(GetSystemTimeInSeconds()),
diff --git a/src/net.h b/src/net.h
index aec925247f..2de5192b43 100644
--- a/src/net.h
+++ b/src/net.h
@@ -398,8 +398,6 @@ public:
     bool DisconnectNode(const std::string& node);
     bool DisconnectNode(NodeId id);
 
-    unsigned int GetSendBufferSize() const;
-
     ServiceFlags GetLocalServices() const;
 
     //!set the max outbound target in bytes
diff --git a/src/warnings.cpp b/src/warnings.cpp
index 148f1dd8f7..f097d09beb 100644
--- a/src/warnings.cpp
+++ b/src/warnings.cpp
@@ -38,12 +38,6 @@ void SetfLargeWorkInvalidChainFound(bool flag)
     fLargeWorkInvalidChainFound = flag;
 }
 
-bool GetfLargeWorkInvalidChainFound()
-{
-    LOCK(cs_warnings);
-    return fLargeWorkInvalidChainFound;
-}
-
 std::string GetWarnings(const std::string& strFor)
 {
     std::string strStatusBar;
diff --git a/src/warnings.h b/src/warnings.h
index fd0ca53942..e8e982c0e3 100644
--- a/src/warnings.h
+++ b/src/warnings.h
@@ -13,7 +13,6 @@ void SetMiscWarning(const std::string& strWarning);
 void SetfLargeWorkForkFound(bool flag);
 bool GetfLargeWorkForkFound();
 void SetfLargeWorkInvalidChainFound(bool flag);
-bool GetfLargeWorkInvalidChainFound();
 /** Format a string that describes several potential problems detected by the core.
  * strFor can have three values:
  * - "rpc": get critical warnings, which should put the client in safe mode if non-empty