diff --git a/src/Features/CSharpTest/CodeActions/AbstractCSharpCodeActionTest_NoEditor.cs b/src/Features/CSharpTest/CodeActions/AbstractCSharpCodeActionTest_NoEditor.cs
index 3ef3fd37720e..dcdd145b663a 100644
--- a/src/Features/CSharpTest/CodeActions/AbstractCSharpCodeActionTest_NoEditor.cs
+++ b/src/Features/CSharpTest/CodeActions/AbstractCSharpCodeActionTest_NoEditor.cs
@@ -19,13 +19,4 @@ public abstract class AbstractCSharpCodeActionTest_NoEditor : AbstractCodeAction
     protected override ParseOptions GetScriptOptions() => TestOptions.Script;
 
     protected internal override string GetLanguage() => LanguageNames.CSharp;
-
-    internal new Task TestInRegularAndScript1Async(
-        [StringSyntax(PredefinedEmbeddedLanguageNames.CSharpTest)] string initialMarkup,
-        [StringSyntax(PredefinedEmbeddedLanguageNames.CSharpTest)] string expectedMarkup,
-        int index = 0,
-        TestParameters? parameters = null)
-    {
-        return base.TestInRegularAndScript1Async(initialMarkup, expectedMarkup, index, parameters);
-    }
 }
diff --git a/src/Features/CSharpTest/ConvertLocalFunctionToMethod/ConvertLocalFunctionToMethodTests.cs b/src/Features/CSharpTest/ConvertLocalFunctionToMethod/ConvertLocalFunctionToMethodTests.cs
index 879f42c3338d..3448d0322a16 100644
--- a/src/Features/CSharpTest/ConvertLocalFunctionToMethod/ConvertLocalFunctionToMethodTests.cs
+++ b/src/Features/CSharpTest/ConvertLocalFunctionToMethod/ConvertLocalFunctionToMethodTests.cs
@@ -1099,7 +1099,7 @@ private static void M2([A(nameof(b), P = nameof(b))] string b)
 
     [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/76562")]
     public Task TestOptionalParameters1()
-        => TestInRegularAndScript1Async(
+        => TestInRegularAndScriptAsync(
             """
             class C
             {
@@ -1135,7 +1135,7 @@ private static string GetFullString(string begin, bool exclamation = false)
 
     [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/76562")]
     public Task TestOptionalParameters2()
-        => TestInRegularAndScript1Async(
+        => TestInRegularAndScriptAsync(
             """
             class C
             {
@@ -1171,7 +1171,7 @@ private static string GetFullString(string begin, bool exclamation = false)
 
     [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/76562")]
     public Task TestOptionalParameters3()
-        => TestInRegularAndScript1Async(
+        => TestInRegularAndScriptAsync(
             """
             class C
             {
@@ -1207,7 +1207,7 @@ private static string GetFullString(string required, string begin, bool exclamat
 
     [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/76562")]
     public Task TestOptionalParameters4()
-        => TestInRegularAndScript1Async(
+        => TestInRegularAndScriptAsync(
             """
             class C
             {