diff --git a/src/dotnet/Rider.Plugins.EfCore/Compatibility/SupportedStartupProjectsProvider.cs b/src/dotnet/Rider.Plugins.EfCore/Compatibility/SupportedStartupProjectsProvider.cs
index 864f2c5..9a22d81 100644
--- a/src/dotnet/Rider.Plugins.EfCore/Compatibility/SupportedStartupProjectsProvider.cs
+++ b/src/dotnet/Rider.Plugins.EfCore/Compatibility/SupportedStartupProjectsProvider.cs
@@ -45,8 +45,8 @@ public IEnumerable<IProject> GetSupportedStartupProjects()
     }
 
     private bool StartupProjectPackagesInstalled(IProject project) =>
-      _nugetTracker.HasPackage(project, EfCoreRequiredPackages.EfCoreToolsNugetId)
-      || _nugetTracker.HasPackage(project, EfCoreRequiredPackages.EfCoreDesignNugetId);
+      _nugetTracker.HasInstalledPackage(project, EfCoreRequiredPackages.EfCoreToolsNugetId)
+      || _nugetTracker.HasInstalledPackage(project, EfCoreRequiredPackages.EfCoreDesignNugetId);
 
     private IEnumerable<IProject> GetReferencingProjects(IProject project) =>
       project.TargetFrameworkIds
diff --git a/src/dotnet/Rider.Plugins.EfCore/Tracking/NuGetPackageReferenceTrackerEx.cs b/src/dotnet/Rider.Plugins.EfCore/Tracking/NuGetPackageReferenceTrackerEx.cs
deleted file mode 100644
index c245bec..0000000
--- a/src/dotnet/Rider.Plugins.EfCore/Tracking/NuGetPackageReferenceTrackerEx.cs
+++ /dev/null
@@ -1,17 +0,0 @@
-using System;
-using System.Linq;
-using JetBrains.ProjectModel;
-using JetBrains.ProjectModel.NuGet.Packaging;
-
-namespace Rider.Plugins.EfCore.Tracking
-{
-  public static class NuGetPackageReferenceTrackerEx
-  {
-    /// <summary>
-    /// TODO: This is a temporary method that is used as a replacement of <see cref="NuGetPackageReferenceTracker.HasInstalledPackage"/> that works incorrectly.
-    /// </summary>
-    public static bool HasPackage(this NuGetPackageReferenceTracker tracker, IProject project, string packageId) =>
-      tracker.GetInstalledPackages(project)
-        .Any(x => string.Equals(x.PackageIdentity.Id, packageId, StringComparison.OrdinalIgnoreCase));
-  }
-}