diff --git a/compiler/src/dotty/tools/dotc/ast/Desugar.scala b/compiler/src/dotty/tools/dotc/ast/Desugar.scala
index 399215420e65..f837ec233bb6 100644
--- a/compiler/src/dotty/tools/dotc/ast/Desugar.scala
+++ b/compiler/src/dotty/tools/dotc/ast/Desugar.scala
@@ -811,12 +811,13 @@ object desugar {
                     // TODO: drop this once we do not silently insert empty class parameters anymore
           case paramss => paramss
         }
+        val finalFlag = if ctx.settings.Yscala2Stdlib.value then EmptyFlags else Final
         // implicit wrapper is typechecked in same scope as constructor, so
         // we can reuse the constructor parameters; no derived params are needed.
         DefDef(
           className.toTermName, joinParams(constrTparams, defParamss),
           classTypeRef, creatorExpr)
-          .withMods(companionMods | mods.flags.toTermFlags & (GivenOrImplicit | Inline) | Final)
+          .withMods(companionMods | mods.flags.toTermFlags & (GivenOrImplicit | Inline) | finalFlag)
           .withSpan(cdef.span) :: Nil
       }
 
diff --git a/project/TastyMiMaFilters.scala b/project/TastyMiMaFilters.scala
index 14a835ce375f..68a4570070df 100644
--- a/project/TastyMiMaFilters.scala
+++ b/project/TastyMiMaFilters.scala
@@ -118,9 +118,6 @@ object TastyMiMaFilters {
     ProblemMatcher.make(ProblemKind.MissingTermMember, "scala.collection.convert.JavaCollectionWrappers.IterableWrapperTrait.iterator"),
     ProblemMatcher.make(ProblemKind.IncompatibleTypeChange, "scala.util.matching.Regex.MatchIterator.replacementData"),
 
-    // Problem: implicit class (method should not be final)
-    ProblemMatcher.make(ProblemKind.FinalMember, "scala.collection.convert.*.*"),
-
     // Problem: implicit class
     ProblemMatcher.make(ProblemKind.MissingTermMember, "scala.collection.generic.IsIterableLowPriority.is*LikeIsIterable"),
     ProblemMatcher.make(ProblemKind.MissingTermMember, "scala.collection.generic.IsIterableOnce.iterableOnceIsIterableOnce"),