Simplify

src/Workspaces/Core/Portable/FindSymbols/SymbolAndProjectId.cs

@@ -173,13 +173,6 @@ internal class SymbolAndProjectIdComparer : IEqualityComparer<SymbolAndProjectId
         public static readonly SymbolAndProjectIdComparer SymbolEquivalenceInstance =
             new SymbolAndProjectIdComparer(SymbolEquivalenceComparer.Instance);
 
-        /// <summary>
-        /// An equality comparer for <see cref="SymbolAndProjectId"/> that considers two instances the same if their
-        /// <see cref="SymbolAndProjectId.Symbol"/>'s are equal (not <see cref="SymbolEqualityComparer"/>).
-        /// </summary>
-        public static readonly SymbolAndProjectIdComparer SymbolInstance =
-            new SymbolAndProjectIdComparer(EqualityComparer<ISymbol>.Default);
-
         private readonly IEqualityComparer<ISymbol> _underlyingComparer;
 
         public SymbolAndProjectIdComparer(IEqualityComparer<ISymbol> underlyingComparer)

src/Workspaces/Core/Portable/FindSymbols/SymbolFinder.cs

@@ -247,7 +247,7 @@ public static IEnumerable<TSymbol> FindSimilarSymbols<TSymbol>(TSymbol symbol, C
         internal static async Task<ImmutableArray<SymbolAndProjectId>> FindLinkedSymbolsAsync(
             ISymbol symbol, Solution solution, CancellationToken cancellationToken)
         {
-            var linkedSymbols = new HashSet<SymbolAndProjectId>(SymbolAndProjectIdComparer.SymbolInstance);
+            var linkedSymbols = new HashSet<SymbolAndProjectId>();
 
             foreach (var location in symbol.DeclaringSyntaxReferences)
             {