diff --git a/sakura_core/dlg/CDlgJump.cpp b/sakura_core/dlg/CDlgJump.cpp
index 330e26b0c3..6dbef20c92 100644
--- a/sakura_core/dlg/CDlgJump.cpp
+++ b/sakura_core/dlg/CDlgJump.cpp
@@ -249,9 +249,6 @@ void CDlgJump::SetData( void )
 	nIndex = 0;
 	nPLSQLBlockNum = 0;
 	for( i = 0; i < cFuncInfoArr.GetNum(); ++i ){
-		if( 31 == cFuncInfoArr.GetAt( i )->m_nInfo ||
-			41 == cFuncInfoArr.GetAt( i )->m_nInfo ){
-		}
 		if( 31 == cFuncInfoArr.GetAt( i )->m_nInfo ){
 			if( m_pShareData->m_bLineNumIsCRLF_ForJump ){	/* 行番号の表示 false=折り返し単位／true=改行単位 */
 				auto_sprintf( szText, LS(STR_DLGJUMP_PSLQL),
diff --git a/sakura_core/prop/CPropComKeyword.cpp b/sakura_core/prop/CPropComKeyword.cpp
index fcee37aa07..d94a2a4803 100644
--- a/sakura_core/prop/CPropComKeyword.cpp
+++ b/sakura_core/prop/CPropComKeyword.cpp
@@ -576,8 +576,7 @@ void CPropKeyword::Clean_List_KeyWord( HWND hwndDlg, HWND hwndLIST_KEYWORD )
 {
 	if( IDYES == ::MessageBox( hwndDlg, LS(STR_PROPCOMKEYWORD_DEL),
 			GSTR_APPNAME, MB_YESNO | MB_ICONQUESTION ) ){	// 2009.03.26 ryoji MB_ICONSTOP->MB_ICONQUESTION
-		if( m_Common.m_sSpecialKeyword.m_CKeyWordSetMgr.CleanKeyWords( m_Common.m_sSpecialKeyword.m_CKeyWordSetMgr.m_nCurrentKeyWordSetIdx ) ){
-		}
+		m_Common.m_sSpecialKeyword.m_CKeyWordSetMgr.CleanKeyWords( m_Common.m_sSpecialKeyword.m_CKeyWordSetMgr.m_nCurrentKeyWordSetIdx );
 		SetKeyWordSet( hwndDlg, m_Common.m_sSpecialKeyword.m_CKeyWordSetMgr.m_nCurrentKeyWordSetIdx );
 	}
 }
diff --git a/sakura_core/view/CEditView.cpp b/sakura_core/view/CEditView.cpp
index 5e73ac9406..6dd8ed1916 100644
--- a/sakura_core/view/CEditView.cpp
+++ b/sakura_core/view/CEditView.cpp
@@ -289,8 +289,11 @@ BOOL CEditView::Create(
 	wc.hbrBackground	= (HBRUSH)NULL/*(COLOR_WINDOW + 1)*/;
 	wc.lpszMenuName		= NULL;
 	wc.lpszClassName	= GSTR_VIEWNAME;
-	if( 0 == ::RegisterClass( &wc ) ){
-	}
+
+	// TODO: 実装を改善する余地があります。
+	// RegisterClassは既に登録された状態で呼ぶと失敗するため、
+	// 単純に成否チェックして抜けたらマズいです。
+	::RegisterClass( &wc );
 
 	/* エディタウィンドウの作成 */
 	SetHwnd(
diff --git a/sakura_core/view/CEditView_Mouse.cpp b/sakura_core/view/CEditView_Mouse.cpp
index a7f1ae3f51..374b8b2225 100644
--- a/sakura_core/view/CEditView_Mouse.cpp
+++ b/sakura_core/view/CEditView_Mouse.cpp
@@ -422,8 +422,6 @@ normal_action:;
 					}
 				}
 
-				if( 0 < nWorkRel ){
-				}
 				/* 選択領域描画 */
 				GetSelectionInfo().DrawSelectArea();
 			}