diff --git a/notebooks/visualization/src/com/intellij/notebooks/visualization/ui/ClickModifiers.kt b/notebooks/visualization/src/com/intellij/notebooks/visualization/ui/ClickModifiers.kt
deleted file mode 100644
index 27a6af01ae99..000000000000
--- a/notebooks/visualization/src/com/intellij/notebooks/visualization/ui/ClickModifiers.kt
+++ /dev/null
@@ -1,31 +0,0 @@
-// Copyright 2000-2026 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-package com.intellij.notebooks.visualization.ui
-
-import com.intellij.openapi.client.ClientSystemInfo
-import java.awt.event.InputEvent
-import java.awt.event.MouseEvent
-
-data class ClickModifiers(
-  val isCtrlPressed: Boolean = false,
-  val isShiftPressed: Boolean = false,
-  val isAltPressed: Boolean = false,
-  val mouseButton: Int = MouseEvent.BUTTON1
-) {
-  companion object {
-    fun fromEvent(e: MouseEvent) = ClickModifiers(
-      isCtrlPressed = e.isCtrlPressed(),
-      isShiftPressed = e.isShiftPressed(),
-      isAltPressed = e.isAltPressed(),
-      mouseButton = e.button
-    )
-  }
-}
-
-private fun MouseEvent.isCtrlPressed(): Boolean =
-  (modifiersEx and if (ClientSystemInfo.isMac()) InputEvent.META_DOWN_MASK else InputEvent.CTRL_DOWN_MASK) != 0
-
-private fun MouseEvent.isShiftPressed(): Boolean =
-  (modifiersEx and InputEvent.SHIFT_DOWN_MASK) != 0
-
-private fun MouseEvent.isAltPressed(): Boolean =
-  (modifiersEx and InputEvent.ALT_DOWN_MASK) != 0
\ No newline at end of file
diff --git a/notebooks/visualization/src/com/intellij/notebooks/visualization/ui/DecoratedEditor.kt b/notebooks/visualization/src/com/intellij/notebooks/visualization/ui/DecoratedEditor.kt
index ac65040ccc7f..e869829f9724 100644
--- a/notebooks/visualization/src/com/intellij/notebooks/visualization/ui/DecoratedEditor.kt
+++ b/notebooks/visualization/src/com/intellij/notebooks/visualization/ui/DecoratedEditor.kt
@@ -67,7 +67,13 @@ class DecoratedEditor private constructor(
           editorImpl.setMode(NotebookEditorMode.COMMAND)
         }
 
-        updateSelectionAfterClick(hoveredCell.interval, ClickModifiers.fromEvent(event))
+        updateSelectionAfterClick(
+          hoveredCell.interval,
+          event.button,
+          event.isControlDown,
+          event.isShiftDown,
+          event.isAltDown
+        )
       }
 
       private fun sendMouseEventToNestedScroll(event: MouseEvent) {
@@ -82,18 +88,28 @@ class DecoratedEditor private constructor(
     editorComponentWrapper.addEditorMouseWheelEvent { nestedScrollingSupport.processMouseWheelEvent(it) }
   }
 
-  override fun inlayClicked(clickedCell: NotebookCellLines.Interval, clickModifiers: ClickModifiers) {
+  override fun inlayClicked(clickedCell: NotebookCellLines.Interval, event: MouseEvent) {
     editorImpl.setMode(NotebookEditorMode.COMMAND)
-    updateSelectionAfterClick(clickedCell, clickModifiers)
+
+    updateSelectionAfterClick(
+      clickedCell,
+      event.button,
+      event.isControlDown,
+      event.isShiftDown,
+      event.isAltDown
+    )
   }
 
   fun updateSelectionAfterClick(
     clickedCell: NotebookCellLines.Interval,
-    clickModifiers: ClickModifiers
+    mouseButton: Int,
+    isCtrlPressed: Boolean,
+    isShiftPressed: Boolean,
+    isAltPressed: Boolean,
   ) {
     val model = editorImpl.cellSelectionModel!!
     when {
-      clickModifiers.isCtrlPressed -> {
+      isCtrlPressed -> {
         if (model.isSelectedCell(clickedCell)) {
           model.removeSelection(clickedCell)
         }
@@ -101,7 +117,7 @@ class DecoratedEditor private constructor(
           model.selectCell(clickedCell, makePrimary = true)
         }
       }
-      clickModifiers.isShiftPressed -> {
+      isShiftPressed -> {
         // select or deselect all cells from primary to the selected one
         val primaryCell = model.primarySelectedCell
         val line1 = primaryCell.lines.first
@@ -125,10 +141,10 @@ class DecoratedEditor private constructor(
           }
         }
       }
-      clickModifiers.isAltPressed -> {
+      isAltPressed -> {
         // don't change selection in this case
       }
-      clickModifiers.mouseButton == MouseEvent.BUTTON1 && !model.isSelectedCell(clickedCell) -> {
+      mouseButton == MouseEvent.BUTTON1 && !model.isSelectedCell(clickedCell) -> {
         model.selectSingleCell(clickedCell)
       }
     }
diff --git a/notebooks/visualization/src/com/intellij/notebooks/visualization/ui/NotebookEditor.kt b/notebooks/visualization/src/com/intellij/notebooks/visualization/ui/NotebookEditor.kt
index c7b80d6c42ef..64cc0884fea7 100644
--- a/notebooks/visualization/src/com/intellij/notebooks/visualization/ui/NotebookEditor.kt
+++ b/notebooks/visualization/src/com/intellij/notebooks/visualization/ui/NotebookEditor.kt
@@ -4,9 +4,10 @@ import com.intellij.notebooks.visualization.NotebookCellLines
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.observable.properties.AtomicProperty
 import com.intellij.openapi.util.Key
+import java.awt.event.MouseEvent
 
 interface NotebookEditor {
-  fun inlayClicked(clickedCell: NotebookCellLines.Interval, clickModifiers: ClickModifiers)
+  fun inlayClicked(clickedCell: NotebookCellLines.Interval, event: MouseEvent)
   val editorPositionKeeper: NotebookPositionKeeper
 
   /** Updated by JupyterAboveCellToolbarManager. When set, we are hiding the cell action toolbar in the top right corner. */