diff --git a/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/BackgroundCodeGenerationBenchmark.cs b/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/BackgroundCodeGenerationBenchmark.cs
index 40b903844b..db9c09aa4a 100644
--- a/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/BackgroundCodeGenerationBenchmark.cs
+++ b/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/BackgroundCodeGenerationBenchmark.cs
@@ -14,7 +14,7 @@ namespace Microsoft.AspNetCore.Razor.Performance
         public void Setup()
         {
             SnapshotManager = CreateProjectSnapshotManager();
-            SnapshotManager.HostProjectAdded(HostProject);
+            SnapshotManager.ProjectAdded(HostProject);
             SnapshotManager.Changed += SnapshotManager_Changed;
         }
 
diff --git a/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/ProjectLoadBenchmark.cs b/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/ProjectLoadBenchmark.cs
index 58baba8faf..73403ed515 100644
--- a/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/ProjectLoadBenchmark.cs
+++ b/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/ProjectLoadBenchmark.cs
@@ -19,7 +19,7 @@ namespace Microsoft.AspNetCore.Razor.Performance
         [Benchmark(Description = "Initializes a project and 100 files", OperationsPerInvoke = 100)]
         public void ProjectLoad_AddProjectAnd100Files()
         {
-            SnapshotManager.HostProjectAdded(HostProject);
+            SnapshotManager.ProjectAdded(HostProject);
 
             for (var i= 0; i < Documents.Length; i++)
             {
diff --git a/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/ProjectSnapshotManagerBenchmarkBase.cs b/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/ProjectSnapshotManagerBenchmarkBase.cs
index aab2fc4527..cd4251769c 100644
--- a/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/ProjectSnapshotManagerBenchmarkBase.cs
+++ b/src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/ProjectSnapshotManagerBenchmarkBase.cs
@@ -124,7 +124,7 @@ namespace Microsoft.AspNetCore.Razor.Performance
                 this._tagHelpers = tagHelpers;
             }
 
-            public override Task<TagHelperResolutionResult> GetTagHelpersAsync(ProjectSnapshot project, CancellationToken cancellationToken = default)
+            public override Task<TagHelperResolutionResult> GetTagHelpersAsync(Project project, ProjectSnapshot projectSnapshot, CancellationToken cancellationToken = default)
             {
                 return Task.FromResult(new TagHelperResolutionResult(_tagHelpers, Array.Empty<RazorDiagnostic>()));
             }