diff --git a/src/Interactive/Features/Interactive/Core/NuGetPackageResolverImpl.cs b/src/Interactive/Features/Interactive/Core/NuGetPackageResolverImpl.cs
index c87c1d5669acc6a846469fc1564eec81c891e68c..805e9c7cc267b7d21ce5c177858c2a322f0e78cc 100644
--- a/src/Interactive/Features/Interactive/Core/NuGetPackageResolverImpl.cs
+++ b/src/Interactive/Features/Interactive/Core/NuGetPackageResolverImpl.cs
@@ -87,7 +87,7 @@ internal override ImmutableArray<string> ResolveNuGetPackage(string packageName,
             catch (UnauthorizedAccessException)
             {
             }
-            return default(ImmutableArray<string>);
+            return ImmutableArray<string>.Empty;
         }
 
         /// <summary>
diff --git a/src/Interactive/HostTest/NuGetPackageResolverTests.cs b/src/Interactive/HostTest/NuGetPackageResolverTests.cs
index feca034d1debc138f7f03246c5f880e04bcf3906..2fc46df9c157880173a3d4809f30ae4e608660fc 100644
--- a/src/Interactive/HostTest/NuGetPackageResolverTests.cs
+++ b/src/Interactive/HostTest/NuGetPackageResolverTests.cs
@@ -126,7 +126,7 @@ public void HandledException()
                 bool restored = false;
                 var resolver = new NuGetPackageResolverImpl(directory.Path, startInfo => { restored = true; throw new IOException(); });
                 var actualPaths = resolver.ResolveNuGetPackage("A.B.C", "1.2");
-                Assert.True(actualPaths.IsDefault);
+                Assert.True(actualPaths.IsEmpty);
                 Assert.True(restored);
             }
         }
diff --git a/src/Scripting/Core/Resolvers/RuntimeMetadataReferenceResolver.cs b/src/Scripting/Core/Resolvers/RuntimeMetadataReferenceResolver.cs
index 8a7c45c27da6624791328f4a9bcb94b1273b569b..4edd31612e5d7b9c0a5e4f395c3426cb9a20a64b 100644
--- a/src/Scripting/Core/Resolvers/RuntimeMetadataReferenceResolver.cs
+++ b/src/Scripting/Core/Resolvers/RuntimeMetadataReferenceResolver.cs
@@ -25,9 +25,7 @@ internal sealed class RuntimeMetadataReferenceResolver : MetadataReferenceResolv
         internal RuntimeMetadataReferenceResolver(
             ImmutableArray<string> searchPaths,
             string baseDirectory)
-            : this(new RelativePathResolver(searchPaths.NullToEmpty(), baseDirectory),
-                   null,
-                   GacFileResolver.Default)
+            : this(new RelativePathResolver(searchPaths, baseDirectory), null, GacFileResolver.Default)
         {
         }