diff --git a/compiler/src/dotty/tools/dotc/ast/tpd.scala b/compiler/src/dotty/tools/dotc/ast/tpd.scala
index 396d85a8c58a..5845773fe65b 100644
--- a/compiler/src/dotty/tools/dotc/ast/tpd.scala
+++ b/compiler/src/dotty/tools/dotc/ast/tpd.scala
@@ -345,7 +345,7 @@ object tpd extends Trees.Instance[Type] with TypedTreeInfo {
       }
       else parents
     val cls = newNormalizedClassSymbol(owner, tpnme.ANON_CLASS, Synthetic | Final, parents1,
-        newScope, coord = fns.map(_.span).reduceLeft(_ union _))
+        coord = fns.map(_.span).reduceLeft(_ union _))
     val constr = newConstructor(cls, Synthetic, Nil, Nil).entered
     def forwarder(fn: TermSymbol, name: TermName) = {
       val fwdMeth = fn.copy(cls, name, Synthetic | Method | Final).entered.asTerm
diff --git a/compiler/src/dotty/tools/dotc/core/Symbols.scala b/compiler/src/dotty/tools/dotc/core/Symbols.scala
index 7f0969d55f07..4fb481dfe2a9 100644
--- a/compiler/src/dotty/tools/dotc/core/Symbols.scala
+++ b/compiler/src/dotty/tools/dotc/core/Symbols.scala
@@ -564,7 +564,6 @@ object Symbols {
       name: TypeName,
       flags: FlagSet,
       parentTypes: List[Type],
-      decls: Scope,
       selfInfo: Type = NoType,
       privateWithin: Symbol = NoSymbol,
       coord: Coord = NoCoord,
diff --git a/compiler/src/dotty/tools/dotc/transform/ExpandSAMs.scala b/compiler/src/dotty/tools/dotc/transform/ExpandSAMs.scala
index 0a2e49501278..250da980cfd0 100644
--- a/compiler/src/dotty/tools/dotc/transform/ExpandSAMs.scala
+++ b/compiler/src/dotty/tools/dotc/transform/ExpandSAMs.scala
@@ -127,7 +127,7 @@ class ExpandSAMs extends MiniPhase:
     val parents = List(
       defn.AbstractPartialFunctionClass.typeRef.appliedTo(anonTpe.firstParamTypes.head, anonTpe.resultType),
       defn.SerializableType)
-    val pfSym = newNormalizedClassSymbol(anonSym.owner, tpnme.ANON_CLASS, Synthetic | Final, parents, newScope, coord = tree.span)
+    val pfSym = newNormalizedClassSymbol(anonSym.owner, tpnme.ANON_CLASS, Synthetic | Final, parents, coord = tree.span)
 
     def overrideSym(sym: Symbol) = sym.copy(
       owner = pfSym,
diff --git a/compiler/src/dotty/tools/dotc/typer/Implicits.scala b/compiler/src/dotty/tools/dotc/typer/Implicits.scala
index 4824031f12bc..90e0eae4afe8 100644
--- a/compiler/src/dotty/tools/dotc/typer/Implicits.scala
+++ b/compiler/src/dotty/tools/dotc/typer/Implicits.scala
@@ -1799,7 +1799,7 @@ final class SearchRoot extends SearchHistory:
             // }
 
             val parents = List(defn.ObjectType, defn.SerializableType)
-            val classSym = newNormalizedClassSymbol(ctx.owner, LazyImplicitName.fresh().toTypeName, Synthetic | Final, parents, newScope, coord = span)
+            val classSym = newNormalizedClassSymbol(ctx.owner, LazyImplicitName.fresh().toTypeName, Synthetic | Final, parents, coord = span)
             val vsyms = pruned.map(_._1.symbol)
             val nsyms = vsyms.map(vsym => newSymbol(classSym, vsym.name, EmptyFlags, vsym.info, coord = span).entered)
             val vsymMap = (vsyms zip nsyms).toMap
diff --git a/compiler/src/dotty/tools/dotc/typer/Inliner.scala b/compiler/src/dotty/tools/dotc/typer/Inliner.scala
index c99ccbd24428..7749f4f0c0b7 100644
--- a/compiler/src/dotty/tools/dotc/typer/Inliner.scala
+++ b/compiler/src/dotty/tools/dotc/typer/Inliner.scala
@@ -199,7 +199,7 @@ object Inliner {
 
     val UnApply(fun, implicits, patterns) = unapp
     val sym = unapp.symbol
-    val cls = newNormalizedClassSymbol(ctx.owner, tpnme.ANON_CLASS, Synthetic | Final, List(defn.ObjectType), newScope, coord = sym.coord)
+    val cls = newNormalizedClassSymbol(ctx.owner, tpnme.ANON_CLASS, Synthetic | Final, List(defn.ObjectType), coord = sym.coord)
     val constr = newConstructor(cls, Synthetic, Nil, Nil, coord = sym.coord).entered
 
     val targs = fun match