diff --git a/shared/src/main/scala-3/org/scalamock/clazz/Utils.scala b/shared/src/main/scala-3/org/scalamock/clazz/Utils.scala
index a966a499..52a5cf21 100644
--- a/shared/src/main/scala-3/org/scalamock/clazz/Utils.scala
+++ b/shared/src/main/scala-3/org/scalamock/clazz/Utils.scala
@@ -128,10 +128,11 @@ private[clazz] class Utils(using val quotes: Quotes):
 
     def apply(tpe: TypeRepr): List[MockableDefinition] =
       val methods = (tpe.typeSymbol.methodMembers.toSet -- TypeRepr.of[Object].typeSymbol.methodMembers).toList
-        .filter(sym => !sym.flags.is(Flags.Private) && !sym.flags.is(Flags.Final) && !sym.flags.is(Flags.Mutable))
-        .filterNot(sym => tpe.memberType(sym) match
-          case defaultParam @ ByNameType(AnnotatedType(_, Apply(Select(New(Inferred()), "<init>"), Nil))) => true
-          case _ => false
+        .filter(sym => 
+          !sym.flags.is(Flags.Private) &&
+          !sym.flags.is(Flags.Final) && 
+          !sym.flags.is(Flags.Mutable) &&
+          !sym.name.contains("$default$")
         )
         .zipWithIndex
         .map((sym, idx) => MockableDefinition(idx, sym, tpe))
diff --git a/shared/src/test/scala/com/paulbutcher/test/mock/MethodsWithDefaultParamsTest.scala b/shared/src/test/scala/com/paulbutcher/test/mock/MethodsWithDefaultParamsTest.scala
index 67d6e479..b9693513 100644
--- a/shared/src/test/scala/com/paulbutcher/test/mock/MethodsWithDefaultParamsTest.scala
+++ b/shared/src/test/scala/com/paulbutcher/test/mock/MethodsWithDefaultParamsTest.scala
@@ -34,6 +34,8 @@ class MethodsWithDefaultParamsTest extends IsolatedSpec {
 
   trait TraitHavingMethodsWithDefaultParams {
     def withAllDefaultParams(a: String = "default", b: CaseClass = CaseClass(42)): String
+
+    def withDefaultParamAndTypeParam[T](a: String = "default", b: Int = 5): T
   }
 
   behavior of "Mocks"
@@ -84,5 +86,13 @@ class MethodsWithDefaultParamsTest extends IsolatedSpec {
     m.withAllDefaultParams("other", CaseClass(99))
   }
 
+  they should "mock trait methods with type param and default parameters" in {
+    val m = mock[TraitHavingMethodsWithDefaultParams]
+
+    (m.withDefaultParamAndTypeParam[Int] _).expects("default", 5).returns(5)
+
+    m.withDefaultParamAndTypeParam[Int]("default", 5) shouldBe 5
+  }
+
   override def newInstance = new MethodsWithDefaultParamsTest
 }
diff --git a/shared/src/test/scala/org/scalamock/test/scalatest/AsyncSyncMixinTest.scala b/shared/src/test/scala/org/scalamock/test/scalatest/AsyncSyncMixinTest.scala
index 87d8030a..d9c3ae02 100644
--- a/shared/src/test/scala/org/scalamock/test/scalatest/AsyncSyncMixinTest.scala
+++ b/shared/src/test/scala/org/scalamock/test/scalatest/AsyncSyncMixinTest.scala
@@ -20,13 +20,12 @@
 
 package org.scalamock.test.scalatest
 
-import org.scalatest.flatspec.AnyFlatSpec
-import org.scalatest._
+import org.scalatest.flatspec.{AnyFlatSpec, AsyncFlatSpec}
+import org.scalamock.scalatest.{MockFactory, AsyncMockFactory}
 
 /**
  *  Tests for issue #371
  */
-@Ignore
 class AsyncSyncMixinTest extends AnyFlatSpec {
 
   "MockFactory" should "be mixed only with Any*Spec and not Async*Spec traits" in {