diff --git a/CvGameCoreDLL_Expansion2/CvDllDealAI.cpp b/CvGameCoreDLL_Expansion2/CvDllDealAI.cpp
index ae7e6440db..4dfa7ac8f9 100644
--- a/CvGameCoreDLL_Expansion2/CvDllDealAI.cpp
+++ b/CvGameCoreDLL_Expansion2/CvDllDealAI.cpp
@@ -83,7 +83,7 @@ CvDealAI* CvDllDealAI::GetInstance()
 //------------------------------------------------------------------------------
 ICvPlayer1* CvDllDealAI::GetPlayer()
 {
-	CvPlayerAI* pkPlayer = (CvPlayerAI*)m_pDealAI->GetPlayer();
+	CvPlayerAI* pkPlayer = static_cast<CvPlayerAI*>(m_pDealAI->GetPlayer());
 	return (NULL != pkPlayer)? new CvDllPlayer(pkPlayer) : NULL;
 }
 //------------------------------------------------------------------------------
diff --git a/CvGameCoreDLL_Expansion2/CvDllGame.cpp b/CvGameCoreDLL_Expansion2/CvDllGame.cpp
index e7fd7f44bc..141a92aa6e 100644
--- a/CvGameCoreDLL_Expansion2/CvDllGame.cpp
+++ b/CvGameCoreDLL_Expansion2/CvDllGame.cpp
@@ -289,12 +289,12 @@ bool CvDllGame::HasTurnTimerExpired(PlayerTypes playerID)
 //------------------------------------------------------------------------------
 void CvDllGame::TurnTimerSync(float fCurTurnTime, float fTurnStartTime)
 {
-	return m_pGame->TurnTimerSync(fCurTurnTime, fTurnStartTime);
+	m_pGame->TurnTimerSync(fCurTurnTime, fTurnStartTime);
 }
 //------------------------------------------------------------------------------
 void CvDllGame::GetTurnTimerData(float& fCurTurnTime, float& fTurnStartTime)
 {
-	return m_pGame->GetTurnTimerData(fCurTurnTime, fTurnStartTime);
+	m_pGame->GetTurnTimerData(fCurTurnTime, fTurnStartTime);
 }
 //------------------------------------------------------------------------------
 void CvDllGame::Init(HandicapTypes eHandicap)
diff --git a/CvGameCoreDLL_Expansion2/CvDllPlot.cpp b/CvGameCoreDLL_Expansion2/CvDllPlot.cpp
index 955dedf3b2..7bfd8315a8 100644
--- a/CvGameCoreDLL_Expansion2/CvDllPlot.cpp
+++ b/CvGameCoreDLL_Expansion2/CvDllPlot.cpp
@@ -304,7 +304,7 @@ bool CvDllPlot::GetAnyBuildProgress() const
 //------------------------------------------------------------------------------
 void CvDllPlot::UpdateLayout(bool bDebug)
 {
-	return m_pPlot->updateLayout(bDebug);
+	m_pPlot->updateLayout(bDebug);
 }
 //------------------------------------------------------------------------------
 ICvUnit1* CvDllPlot::GetCenterUnit()
@@ -327,13 +327,13 @@ ICvUnit1* CvDllPlot::GetUnitByIndex(int iIndex) const
 void CvDllPlot::AddUnit(ICvUnit1* pUnit, bool bUpdate)
 {
 	CvUnit* pkUnit = (NULL != pUnit)? static_cast<CvDllUnit*>(pUnit)->GetInstance() : NULL;
-	return m_pPlot->addUnit(pkUnit, bUpdate);
+	m_pPlot->addUnit(pkUnit, bUpdate);
 }
 //------------------------------------------------------------------------------
 void CvDllPlot::RemoveUnit(ICvUnit1* pUnit, bool bUpdate)
 {
 	CvUnit* pkUnit = (NULL != pUnit)? static_cast<CvDllUnit*>(pUnit)->GetInstance() : NULL;
-	return m_pPlot->removeUnit(pkUnit, bUpdate);
+	m_pPlot->removeUnit(pkUnit, bUpdate);
 }
 //------------------------------------------------------------------------------
 const IDInfo* CvDllPlot::NextUnitNode(const IDInfo* pNode) const