diff --git a/PowerEditor/src/ScintillaComponent/ScintillaEditView.cpp b/PowerEditor/src/ScintillaComponent/ScintillaEditView.cpp
index 358b2f1a8..2d5100f14 100644
--- a/PowerEditor/src/ScintillaComponent/ScintillaEditView.cpp
+++ b/PowerEditor/src/ScintillaComponent/ScintillaEditView.cpp
@@ -227,7 +227,7 @@ void ScintillaEditView::init(HINSTANCE hInst, HWND hPere)
 	execute(SCI_SETMARGINMASKN, _SC_MARGE_FOLDER, SC_MASK_FOLDERS);
 	showMargin(_SC_MARGE_FOLDER, true);
 
-	execute(SCI_SETMARGINMASKN, _SC_MARGE_SYMBOL, (1 << MARK_BOOKMARK) | (1 << MARK_HIDELINESBEGIN) | (1 << MARK_HIDELINESEND) | (1 << MARK_HIDELINESUNDERLINE));
+	execute(SCI_SETMARGINMASKN, _SC_MARGE_SYMBOL, (1 << MARK_BOOKMARK) | (1 << MARK_HIDELINESBEGIN) | (1 << MARK_HIDELINESEND));
 
 	execute(SCI_SETMARGINMASKN, _SC_MARGE_CHANGEHISTORY, (1 << SC_MARKNUM_HISTORY_REVERTED_TO_ORIGIN) | (1 << SC_MARKNUM_HISTORY_SAVED) | (1 << SC_MARKNUM_HISTORY_MODIFIED) | (1 << SC_MARKNUM_HISTORY_REVERTED_TO_MODIFIED));
 	COLORREF modifiedColor = RGB(255, 128, 0);
@@ -241,8 +241,9 @@ void ScintillaEditView::init(HINSTANCE hInst, HWND hPere)
 
 	execute(SCI_MARKERSETALPHA, MARK_BOOKMARK, 70);
 
-	execute(SCI_MARKERDEFINE, MARK_HIDELINESUNDERLINE, SC_MARK_UNDERLINE);
-	execute(SCI_MARKERSETBACK, MARK_HIDELINESUNDERLINE, 0x77CC77);
+	const COLORREF hiddenLinesGreen = RGB(0x77, 0xCC, 0x77);
+	long hiddenLinesGreenWithAlpha = hiddenLinesGreen | 0xFF000000;
+	execute(SCI_SETELEMENTCOLOUR, SC_ELEMENT_HIDDEN_LINE, hiddenLinesGreenWithAlpha);
 
 	if (NppParameters::getInstance()._dpiManager.scaleX(100) >= 150)
 	{
@@ -3521,8 +3522,8 @@ void ScintillaEditView::hideLines()
 	auto removeMarker = [this, &scope, &recentMarkerWasOpen](size_t line)
 	{
 		auto state = execute(SCI_MARKERGET, line);
-		bool closePresent = ((state & (1 << MARK_HIDELINESEND)) != 0);
-		bool openPresent = ((state & (1 << MARK_HIDELINESBEGIN | 1 << MARK_HIDELINESUNDERLINE)) != 0);
+		bool closePresent = (state & (1 << MARK_HIDELINESEND)) != 0;
+		bool openPresent = (state & (1 << MARK_HIDELINESBEGIN)) != 0;
 
 		if (closePresent)
 		{
@@ -3534,7 +3535,6 @@ void ScintillaEditView::hideLines()
 		if (openPresent)
 		{
 			execute(SCI_MARKERDELETE, line, MARK_HIDELINESBEGIN);
-			execute(SCI_MARKERDELETE, line, MARK_HIDELINESUNDERLINE);
 			recentMarkerWasOpen = true;
 			++scope;
 		}
@@ -3574,7 +3574,6 @@ void ScintillaEditView::hideLines()
 	}
 
 	execute(SCI_MARKERADD, startMarker, MARK_HIDELINESBEGIN);
-	execute(SCI_MARKERADD, startMarker, MARK_HIDELINESUNDERLINE);
 	execute(SCI_MARKERADD, endMarker, MARK_HIDELINESEND);
 
 	_currentBuffer->setHideLineChanged(true, startMarker);
@@ -3583,8 +3582,8 @@ void ScintillaEditView::hideLines()
 bool ScintillaEditView::markerMarginClick(intptr_t lineNumber)
 {
 	auto state = execute(SCI_MARKERGET, lineNumber);
-	bool openPresent = ((state & (1 << MARK_HIDELINESBEGIN | 1 << MARK_HIDELINESUNDERLINE)) != 0);
-	bool closePresent = ((state & (1 << MARK_HIDELINESEND)) != 0);
+	bool openPresent = (state & (1 << MARK_HIDELINESBEGIN)) != 0;
+	bool closePresent = (state & (1 << MARK_HIDELINESEND)) != 0;
 
 	if (!openPresent && !closePresent)
 		return false;
@@ -3601,7 +3600,7 @@ bool ScintillaEditView::markerMarginClick(intptr_t lineNumber)
 		for (lineNumber--; lineNumber >= 0 && !openPresent; lineNumber--)
 		{
 			state = execute(SCI_MARKERGET, lineNumber);
-			openPresent = ((state & (1 << MARK_HIDELINESBEGIN | 1 << MARK_HIDELINESUNDERLINE)) != 0);
+			openPresent = (state & (1 << MARK_HIDELINESBEGIN)) != 0;
 		}
 
 		if (openPresent)
@@ -3670,7 +3669,7 @@ void ScintillaEditView::runMarkers(bool doHide, size_t searchStart, bool endOfDo
 				}
 				isInSection = false;
 			}
-			if ( ((state & (1 << MARK_HIDELINESBEGIN | 1 << MARK_HIDELINESUNDERLINE)) != 0) )
+			if ((state & (1 << MARK_HIDELINESBEGIN)) != 0)
 			{
 				isInSection = true;
 				startHiding = i+1;
@@ -3716,12 +3715,11 @@ void ScintillaEditView::runMarkers(bool doHide, size_t searchStart, bool endOfDo
 					isInSection = false;
 				}
 			}
-			if ( ((state & (1 << MARK_HIDELINESBEGIN | 1 << MARK_HIDELINESUNDERLINE)) != 0) )
+			if ((state & (1 << MARK_HIDELINESBEGIN)) != 0)
 			{
 				if (doDelete)
 				{
 					execute(SCI_MARKERDELETE, i, MARK_HIDELINESBEGIN);
-					execute(SCI_MARKERDELETE, i, MARK_HIDELINESUNDERLINE);
 				}
 				else
 				{
diff --git a/PowerEditor/src/ScintillaComponent/ScintillaEditView.h b/PowerEditor/src/ScintillaComponent/ScintillaEditView.h
index 1a8fefe06..060017d53 100644
--- a/PowerEditor/src/ScintillaComponent/ScintillaEditView.h
+++ b/PowerEditor/src/ScintillaComponent/ScintillaEditView.h
@@ -116,9 +116,8 @@ const UCHAR BASE_02 = 0x03; // Bin
 const int MARK_BOOKMARK = 20;
 const int MARK_HIDELINESBEGIN = 19;
 const int MARK_HIDELINESEND = 18;
-const int MARK_HIDELINESUNDERLINE = 17;
-// 20 - 17 reserved for Notepad++ internal used
-// 16 - 0  are free to use for plugins
+// 20 - 18 reserved for Notepad++ internal used
+// 17 - 0  are free to use for plugins
 
 const std::vector<std::vector<const char*>> g_nonPrintingChars =
 {