diff --git a/libethereum/State.cpp b/libethereum/State.cpp
index 955646f04..8329ff485 100644
--- a/libethereum/State.cpp
+++ b/libethereum/State.cpp
@@ -47,8 +47,6 @@ namespace fs = boost::filesystem;
 #define ctrace clog(StateTrace)
 #define ETH_TIMED_ENACTMENTS 0
 
-static const unsigned c_maxSyncTransactions = 256;
-
 const char* StateSafeExceptions::name() { return EthViolet "⚙" EthBlue " ℹ"; }
 const char* StateDetail::name() { return EthViolet "⚙" EthWhite " ◌"; }
 const char* StateTrace::name() { return EthViolet "⚙" EthGray " ◎"; }
diff --git a/libnatspec/NatspecExpressionEvaluator.h b/libnatspec/NatspecExpressionEvaluator.h
index f7984f6e8..91d12399c 100644
--- a/libnatspec/NatspecExpressionEvaluator.h
+++ b/libnatspec/NatspecExpressionEvaluator.h
@@ -20,9 +20,11 @@
  */
 
 #pragma once
-
+#pragma warning(push)
+#pragma clang diagnostic ignored "-Winconsistent-missing-override"
 #include <QtCore/QtCore>
 #include <QtQml/QJSEngine>
+#pragma warning(pop)
 
 /**
  * Should be used to evaluate natspec expression.