diff --git a/src/Umbraco.Tests/Testing/UmbracoTestBase.cs b/src/Umbraco.Tests/Testing/UmbracoTestBase.cs
index 8b2977dab4..d1e2ab2f6d 100644
--- a/src/Umbraco.Tests/Testing/UmbracoTestBase.cs
+++ b/src/Umbraco.Tests/Testing/UmbracoTestBase.cs
@@ -228,7 +228,6 @@ namespace Umbraco.Tests.Testing
             Composition.RegisterUnique<IContentLastChanceFinder, TestLastChanceFinder>();
             Composition.RegisterUnique<IVariationContextAccessor, TestVariationContextAccessor>();
             Composition.RegisterUnique<IPublishedSnapshotAccessor, TestPublishedSnapshotAccessor>();
-            Composition.RegisterUnique<IIOHelper, IOHelper>();
 
             // register back office sections in the order we want them rendered
             Composition.WithCollectionBuilder<SectionCollectionBuilder>().Append<ContentSection>()