diff --git a/src/EditorFeatures/CSharpTest/Completion/CompletionProviders/TypeImportCompletionProviderTests.cs b/src/EditorFeatures/CSharpTest/Completion/CompletionProviders/TypeImportCompletionProviderTests.cs
index 09fe4c889aa8317905f5e7a5779511865283a763..a8f84ec837daae3a519c7e90a0a90fc68bdb0aab 100644
--- a/src/EditorFeatures/CSharpTest/Completion/CompletionProviders/TypeImportCompletionProviderTests.cs
+++ b/src/EditorFeatures/CSharpTest/Completion/CompletionProviders/TypeImportCompletionProviderTests.cs
@@ -928,7 +928,7 @@ class Program { }
             var markup = CreateMarkupForSingleProject(file2, file1, LanguageNames.CSharp);
 
             await VerifyTypeImportItemExistsAsync(markup, "My", glyph: (int)Glyph.ClassPublic, inlineDescription: "Foo", expectedDescriptionOrNull: "class Foo.MyAttribute");
-            await VerifyTypeImportItemExistsAsync(markup, "MyAttributeWithoutSuffix", glyph: (int)Glyph.ClassPublic, inlineDescription: "Foo", expectedDescriptionOrNull: "class Foo.MyAttributeWithoutSuffix");
+            await VerifyTypeImportItemIsAbsentAsync(markup, "MyAttributeWithoutSuffix", inlineDescription: "Foo");  // We intentionally ignore attribute types without proper suffix for perf reason
             await VerifyTypeImportItemIsAbsentAsync(markup, "MyAttribute", inlineDescription: "Foo");
             await VerifyTypeImportItemIsAbsentAsync(markup, "MyClass", inlineDescription: "Foo");
         }
diff --git a/src/EditorFeatures/VisualBasicTest/Completion/CompletionProviders/TypeImportCompletionProviderTests.vb b/src/EditorFeatures/VisualBasicTest/Completion/CompletionProviders/TypeImportCompletionProviderTests.vb
index 6e30bedef1a11e51e934f2df216953c90f6641fc..9c740339289959a15ce96e9c66e7da37e230a248 100644
--- a/src/EditorFeatures/VisualBasicTest/Completion/CompletionProviders/TypeImportCompletionProviderTests.vb
+++ b/src/EditorFeatures/VisualBasicTest/Completion/CompletionProviders/TypeImportCompletionProviderTests.vb
@@ -59,7 +59,7 @@ End Class]]></Text>.Value
 
             Dim markup = CreateMarkupForSingleProject(file2, file1, LanguageNames.VisualBasic)
             Await VerifyItemExistsAsync(markup, "My", glyph:=Glyph.ClassPublic, inlineDescription:="Foo", expectedDescriptionOrNull:="Class Foo.MyAttribute")
-            Await VerifyItemExistsAsync(markup, "MyAttributeWithoutSuffix", glyph:=Glyph.ClassPublic, inlineDescription:="Foo", expectedDescriptionOrNull:="Class Foo.MyAttributeWithoutSuffix")
+            Await VerifyItemIsAbsentAsync(markup, "MyAttributeWithoutSuffix", inlineDescription:="Foo") ' We intentionally ignore attribute types without proper suffix for perf reason
             Await VerifyItemIsAbsentAsync(markup, "MyAttribute", inlineDescription:="Foo")
             Await VerifyItemIsAbsentAsync(markup, "MyVBClass", inlineDescription:="Foo")
         End Function