diff --git a/src/prosemirror/commands/applyMark.ts b/src/prosemirror/commands/applyMark.ts
deleted file mode 100644
index 1f45fbf9..00000000
--- a/src/prosemirror/commands/applyMark.ts
+++ /dev/null
@@ -1,43 +0,0 @@
-import { MarkType } from 'prosemirror-model'
-import { SelectionRange, Transaction, TextSelection } from 'prosemirror-state'
-
-const markApplies = (tr: Transaction, ranges: SelectionRange[], type: MarkType) => {
-  for (let i = 0; i < ranges.length; i++) {
-    let {$from, $to} = ranges[i]
-    let can = $from.depth == 0 ? tr.doc.type.allowsMarkType(type) : false
-    tr.doc.nodesBetween($from.pos, $to.pos, node => {
-      if (can) return false
-      can = node.inlineContent && node.type.allowsMarkType(type)
-    })
-    if (can) return true
-  }
-  return false
-}
-
-export const applyMark = (tr: Transaction, markType: MarkType, attrs: { [key: string]: string; } | undefined) => {
-  if(!tr.selection || !tr.doc || !markType) return tr
-  
-  const empty = tr.selection.empty
-  const ranges = tr.selection.ranges
-  const $cursor = (tr.selection as TextSelection).$cursor
-
-  if(empty && !$cursor || !markApplies(tr, ranges, markType)) return tr
-
-  if($cursor) {
-    tr = tr.removeStoredMark(markType)
-    return attrs ? tr.addStoredMark(markType.create(attrs)) : tr
-  }
-
-  let has = false
-  for(let i = 0; !has && i < ranges.length; i++) {
-    const { $from, $to } = ranges[i]
-    has = tr.doc.rangeHasMark($from.pos, $to.pos, markType)
-  }
-  for(let j = 0; j < ranges.length; j++) {
-    const { $from, $to } = ranges[j]
-    if(has) tr = tr.removeMark($from.pos, $to.pos, markType)
-    if(attrs) tr = tr.addMark($from.pos, $to.pos, markType.create(attrs))
-  }
-
-  return tr
-}
\ No newline at end of file