diff --git a/mkedit.cpp b/mkedit.cpp
index 5d12e21..e558a24 100644
--- a/mkedit.cpp
+++ b/mkedit.cpp
@@ -57,8 +57,6 @@ void MkEdit::initialialCursorPosition()
     this->verticalScrollBar()->setSliderPosition(0);
 
     int savedBlockNumber = cursor.blockNumber();
-    selectRange.start = this->textCursor().selectionStart();
-    selectRange.end =  this->textCursor().selectionEnd();
 
     emit cursorPosChanged( textCursor().hasSelection(), savedBlockNumber , getVisibleRect(), &selectRange);
     connectSignals();
@@ -208,7 +206,7 @@ void MkEdit::showSelectionAfterUndo(){
         selectRange.hasSelection = false;
     }
 
-    disconnectSignals();
+    QObject::disconnect(this,&MkEdit::cursorPositionChanged,this,&MkEdit::cursorPositionChangedHandle);
     {
         //first show all the Markdown symbols in the editor
         emit cursorPosChanged( range.hasSelection, currentBlockNo, getVisibleRect(), &selectRange);
@@ -226,8 +224,8 @@ void MkEdit::showSelectionAfterUndo(){
 
         //highlight the selection
         this->setTextCursor(textCursor);
-        }
-    connectSignals();
+    }
+    QObject::connect(this,&MkEdit::cursorPositionChanged,this,&MkEdit::cursorPositionChangedHandle);
 }
 
 void MkEdit::quoteLeftKey()
diff --git a/mktextdocument.h b/mktextdocument.h
index 3231c48..2e7cb07 100644
--- a/mktextdocument.h
+++ b/mktextdocument.h
@@ -62,8 +62,6 @@ class FormatCollection{
 
 #define NO_SELECTION_POS -1
 struct SelectRange{
-    int start           = NO_SELECTION_POS;
-    int end             = NO_SELECTION_POS;
     int startBlock      = NO_SELECTION_POS;
     int endBlock        = NO_SELECTION_POS;
     bool hasSelection 	= false;