diff --git a/core/src/main/scala-latest-js/scalameta_ast/RemoveNewFields.scala b/core/src/main/scala-latest-js/scalameta_ast/RemoveNewFields.scala
new file mode 100644
index 0000000..6086694
--- /dev/null
+++ b/core/src/main/scala-latest-js/scalameta_ast/RemoveNewFields.scala
@@ -0,0 +1,9 @@
+package scalameta_ast
+
+import scala.annotation.unused
+import scala.meta.Term
+import scala.meta.Tree
+
+object RemoveNewFields {
+  def remove(@unused tree: Tree, @unused parsed: Term, str: String): String = str
+}
diff --git a/core/src/main/scala-scalafix_compat-js/scalameta_ast/RemoveNewFields.scala b/core/src/main/scala-scalafix_compat-js/scalameta_ast/RemoveNewFields.scala
new file mode 100644
index 0000000..7dda8f3
--- /dev/null
+++ b/core/src/main/scala-scalafix_compat-js/scalameta_ast/RemoveNewFields.scala
@@ -0,0 +1,67 @@
+package scalameta_ast
+
+import scala.meta.Defn
+import scala.meta.Template
+import scala.meta.Term
+import scala.meta.Tree
+import scala.meta.contrib._
+import scala.meta.tokens.Token
+
+object RemoveNewFields {
+  def remove(tree: Tree, parsed: Term, str: String): String = {
+    if (
+      tree.collectFirst {
+        case _: Term.If => ()
+        case _: Term.Match => ()
+        case _: Defn.Type => ()
+        case _: Template => ()
+      }.nonEmpty
+    ) {
+      val positions = parsed.collect {
+        case x @ Term.Apply(
+              Term.Select(
+                Term.Name("Term"),
+                Term.Name("If")
+              ),
+              _ :: _ :: _ :: last :: Nil
+            ) =>
+          (x.tokens, last)
+        case x @ Term.Apply(
+              Term.Select(
+                Term.Name("Term"),
+                Term.Name("Match")
+              ),
+              _ :: _ :: last :: Nil
+            ) =>
+          (x.tokens, last)
+        case x @ Term.Apply(
+              Term.Select(
+                Term.Name("Defn"),
+                Term.Name("Type")
+              ),
+              _ :: _ :: _ :: _ :: last :: Nil
+            ) =>
+          (x.tokens, last)
+        case x @ Term.Apply(
+              Term.Name("Template"),
+              _ :: _ :: _ :: _ :: last :: Nil
+            ) =>
+          (x.tokens, last)
+      }.flatMap { case (tokens, toRemove) =>
+        val startOpt =
+          tokens.reverseIterator.filter(_.is[Token.Comma]).find(_.pos.start < toRemove.pos.start).map(_.start)
+        val endOpt =
+          tokens.reverseIterator.find(_.is[Token.RightParen]).map(_.pos.end - 1)
+        startOpt.zip(endOpt)
+      }
+
+      str.zipWithIndex.flatMap { case (char, pos) =>
+        Option.unless(positions.exists { case (start, end) => start <= pos && pos < end }) {
+          char
+        }
+      }.mkString
+    } else {
+      str
+    }
+  }
+}
diff --git a/core/src/main/scala/scalameta_ast/ScalametaAST.scala b/core/src/main/scala/scalameta_ast/ScalametaAST.scala
index 246cd21..c44762c 100644
--- a/core/src/main/scala/scalameta_ast/ScalametaAST.scala
+++ b/core/src/main/scala/scalameta_ast/ScalametaAST.scala
@@ -4,7 +4,6 @@ import java.util.Date
 import scala.annotation.tailrec
 import scala.meta._
 import scala.meta.common.Convert
-import scala.meta.contrib.XtensionTreeOps
 import scala.meta.tokens.Token
 import scala.meta.parsers.Parse
 import scala.meta.parsers.Parsed
@@ -186,63 +185,6 @@ class ScalametaAST {
     loop(Nil, str, 0, values).mkString
   }
 
-  private def removeModsFields(tree: Tree, parsed: Term, str: String): String = {
-    if (
-      tree.collectFirst {
-        case _: Term.If => ()
-        case _: Term.Match => ()
-        case _: Defn.Type => ()
-        case _: Template => ()
-      }.nonEmpty
-    ) {
-      val positions = parsed.collect {
-        case x @ Term.Apply(
-              Term.Select(
-                Term.Name("Term"),
-                Term.Name("If")
-              ),
-              _ :: _ :: _ :: last :: Nil
-            ) =>
-          (x.tokens, last)
-        case x @ Term.Apply(
-              Term.Select(
-                Term.Name("Term"),
-                Term.Name("Match")
-              ),
-              _ :: _ :: last :: Nil
-            ) =>
-          (x.tokens, last)
-        case x @ Term.Apply(
-              Term.Select(
-                Term.Name("Defn"),
-                Term.Name("Type")
-              ),
-              _ :: _ :: _ :: _ :: last :: Nil
-            ) =>
-          (x.tokens, last)
-        case x @ Term.Apply(
-              Term.Name("Template"),
-              _ :: _ :: _ :: _ :: last :: Nil
-            ) =>
-          (x.tokens, last)
-      }.flatMap { case (tokens, toRemove) =>
-        val startOpt =
-          tokens.reverseIterator.filter(_.is[Token.Comma]).find(_.pos.start < toRemove.pos.start).map(_.start)
-        val endOpt =
-          tokens.reverseIterator.find(_.is[Token.RightParen]).map(_.pos.end - 1)
-        startOpt.zip(endOpt)
-      }
-
-      str.zipWithIndex.flatMap { case (char, pos) =>
-        Option.unless(positions.exists { case (start, end) => start <= pos && pos < end }) {
-          char
-        }
-      }.mkString
-    } else {
-      str
-    }
-  }
-
   def convert(
     src: String,
     outputType: String,
@@ -371,7 +313,7 @@ class ScalametaAST {
             addExtractor(parsed = parsed, str = str, identity) -> parsedOpt
           } else {
             if (a.removeNewFields) {
-              val str2 = removeModsFields(tree = tree, parsed = parsed, str = str)
+              val str2 = RemoveNewFields.remove(tree = tree, parsed = parsed, str = str)
               if (a.initialExtractor) {
                 val parsed2 = implicitly[Parse[Term]].apply(Input.String(str2), scala.meta.dialects.Scala3).get
                 val parsedOpt2 = PartialFunction.condOpt(args) { case x: ScalafixRule =>
diff --git a/core/src/main/scalajvm/scalameta_ast/RemoveNewFields.scala b/core/src/main/scalajvm/scalameta_ast/RemoveNewFields.scala
new file mode 100644
index 0000000..6086694
--- /dev/null
+++ b/core/src/main/scalajvm/scalameta_ast/RemoveNewFields.scala
@@ -0,0 +1,9 @@
+package scalameta_ast
+
+import scala.annotation.unused
+import scala.meta.Term
+import scala.meta.Tree
+
+object RemoveNewFields {
+  def remove(@unused tree: Tree, @unused parsed: Term, str: String): String = str
+}