diff --git a/src/Microsoft.Extensions.Localization/ResourceManagerStringLocalizerFactory.cs b/src/Microsoft.Extensions.Localization/ResourceManagerStringLocalizerFactory.cs
index e488019e87..51fe250caf 100644
--- a/src/Microsoft.Extensions.Localization/ResourceManagerStringLocalizerFactory.cs
+++ b/src/Microsoft.Extensions.Localization/ResourceManagerStringLocalizerFactory.cs
@@ -6,7 +6,6 @@ using System.Collections.Concurrent;
 using System.IO;
 using System.Reflection;
 using System.Resources;
-using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Options;
 
 namespace Microsoft.Extensions.Localization
@@ -24,29 +23,20 @@ namespace Microsoft.Extensions.Localization
         private readonly IResourceNamesCache _resourceNamesCache = new ResourceNamesCache();
         private readonly ConcurrentDictionary<string, ResourceManagerStringLocalizer> _localizerCache =
             new ConcurrentDictionary<string, ResourceManagerStringLocalizer>();
-        private readonly string _applicationName;
         private readonly string _resourcesRelativePath;
 
         /// <summary>
         /// Creates a new <see cref="ResourceManagerStringLocalizer"/>.
         /// </summary>
-        /// <param name="hostingEnvironment">The <see cref="IHostingEnvironment"/>.</param>
         /// <param name="localizationOptions">The <see cref="IOptions{LocalizationOptions}"/>.</param>
         public ResourceManagerStringLocalizerFactory(
-            IHostingEnvironment hostingEnvironment,
             IOptions<LocalizationOptions> localizationOptions)
         {
-            if (hostingEnvironment == null)
-            {
-                throw new ArgumentNullException(nameof(hostingEnvironment));
-            }
-
             if (localizationOptions == null)
             {
                 throw new ArgumentNullException(nameof(localizationOptions));
             }
 
-            _applicationName = hostingEnvironment.ApplicationName;
             _resourcesRelativePath = localizationOptions.Value.ResourcesPath ?? string.Empty;
             if (!string.IsNullOrEmpty(_resourcesRelativePath))
             {
@@ -162,7 +152,10 @@ namespace Microsoft.Extensions.Localization
                 throw new ArgumentNullException(nameof(baseName));
             }
 
-            location = location ?? _applicationName;
+            if (location == null)
+            {
+                throw new ArgumentNullException(nameof(location));
+            }
 
             return _localizerCache.GetOrAdd($"B={baseName},L={location}", _ =>
             {
diff --git a/src/Microsoft.Extensions.Localization/exceptions.net45.json b/src/Microsoft.Extensions.Localization/exceptions.net45.json
new file mode 100644
index 0000000000..02d37d7d31
--- /dev/null
+++ b/src/Microsoft.Extensions.Localization/exceptions.net45.json
@@ -0,0 +1,9 @@
+[
+    {
+        "OldTypeId": "public class Microsoft.Extensions.Localization.ResourceManagerStringLocalizerFactory : Microsoft.Extensions.Localization.IStringLocalizerFactory",
+        "OldMemberId": "public .ctor(Microsoft.AspNetCore.Hosting.IHostingEnvironment hostingEnvironment, Microsoft.Extensions.Options.IOptions<Microsoft.Extensions.Localization.LocalizationOptions> localizationOptions)",
+        "NewTypeId": "public class Microsoft.Extensions.Localization.ResourceManagerStringLocalizerFactory : Microsoft.Extensions.Localization.IStringLocalizerFactory",
+        "NewMemberId": "public .ctor(Microsoft.Extensions.Options.IOptions<Microsoft.Extensions.Localization.LocalizationOptions> localizationOptions)",
+        "Kind": "Modification"
+    }
+]
\ No newline at end of file
diff --git a/src/Microsoft.Extensions.Localization/exceptions.netcore.json b/src/Microsoft.Extensions.Localization/exceptions.netcore.json
new file mode 100644
index 0000000000..02d37d7d31
--- /dev/null
+++ b/src/Microsoft.Extensions.Localization/exceptions.netcore.json
@@ -0,0 +1,9 @@
+[
+    {
+        "OldTypeId": "public class Microsoft.Extensions.Localization.ResourceManagerStringLocalizerFactory : Microsoft.Extensions.Localization.IStringLocalizerFactory",
+        "OldMemberId": "public .ctor(Microsoft.AspNetCore.Hosting.IHostingEnvironment hostingEnvironment, Microsoft.Extensions.Options.IOptions<Microsoft.Extensions.Localization.LocalizationOptions> localizationOptions)",
+        "NewTypeId": "public class Microsoft.Extensions.Localization.ResourceManagerStringLocalizerFactory : Microsoft.Extensions.Localization.IStringLocalizerFactory",
+        "NewMemberId": "public .ctor(Microsoft.Extensions.Options.IOptions<Microsoft.Extensions.Localization.LocalizationOptions> localizationOptions)",
+        "Kind": "Modification"
+    }
+]
\ No newline at end of file
diff --git a/src/Microsoft.Extensions.Localization/project.json b/src/Microsoft.Extensions.Localization/project.json
index fce8810739..ae565361d3 100644
--- a/src/Microsoft.Extensions.Localization/project.json
+++ b/src/Microsoft.Extensions.Localization/project.json
@@ -19,7 +19,6 @@
     "xmlDoc": true
   },
   "dependencies": {
-    "Microsoft.AspNetCore.Hosting.Abstractions": "1.2.0-*",
     "Microsoft.Extensions.DependencyInjection.Abstractions": "1.2.0-*",
     "Microsoft.Extensions.Localization.Abstractions": {
       "target": "project"
diff --git a/test/Microsoft.Extensions.Localization.Tests/ResourceManagerStringLocalizerFactoryTest.cs b/test/Microsoft.Extensions.Localization.Tests/ResourceManagerStringLocalizerFactoryTest.cs
index 70032985a7..2643ab175a 100644
--- a/test/Microsoft.Extensions.Localization.Tests/ResourceManagerStringLocalizerFactoryTest.cs
+++ b/test/Microsoft.Extensions.Localization.Tests/ResourceManagerStringLocalizerFactoryTest.cs
@@ -1,9 +1,9 @@
 // Copyright (c) .NET Foundation. All rights reserved. 
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
+using System;
 using System.IO;
 using System.Reflection;
-using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Options;
 using Moq;
 using Xunit;
@@ -18,10 +18,9 @@ namespace Microsoft.Extensions.Localization.Tests
         public string BaseName { get; private set; }
 
         public TestResourceManagerStringLocalizerFactory(
-            IHostingEnvironment hostingEnvironment,
             IOptions<LocalizationOptions> localizationOptions,
             ResourceLocationAttribute resourceLocationAttribute)
-            : base(hostingEnvironment, localizationOptions)
+            : base(localizationOptions)
         {
             _resourceLocationAttribute = resourceLocationAttribute;
         }
@@ -46,19 +45,15 @@ namespace Microsoft.Extensions.Localization.Tests
         public void Create_OverloadsProduceSameResult()
         {
             // Arrange
-            var hostingEnvironment = new Mock<IHostingEnvironment>();
-            hostingEnvironment.SetupGet(a => a.ApplicationName).Returns("TestApplication");
             var locOptions = new LocalizationOptions();
             var options = new Mock<IOptions<LocalizationOptions>>();
             options.Setup(o => o.Value).Returns(locOptions);
 
             var resourceLocationAttribute = new ResourceLocationAttribute(Path.Combine("My", "Resources"));
             var typeFactory = new TestResourceManagerStringLocalizerFactory(
-                hostingEnvironment.Object,
                 options.Object,
                 resourceLocationAttribute);
             var stringFactory = new TestResourceManagerStringLocalizerFactory(
-                hostingEnvironment.Object,
                 options.Object,
                 resourceLocationAttribute);
             var type = typeof(ResourceManagerStringLocalizerFactoryTest);
@@ -77,12 +72,10 @@ namespace Microsoft.Extensions.Localization.Tests
         public void Create_FromType_ReturnsCachedResultForSameType()
         {
             // Arrange
-            var hostingEnvironment = new Mock<IHostingEnvironment>();
-            hostingEnvironment.SetupGet(a => a.ApplicationName).Returns("TestApplication");
             var locOptions = new LocalizationOptions();
             var options = new Mock<IOptions<LocalizationOptions>>();
             options.Setup(o => o.Value).Returns(locOptions);
-            var factory = new ResourceManagerStringLocalizerFactory(hostingEnvironment.Object, localizationOptions: options.Object);
+            var factory = new ResourceManagerStringLocalizerFactory(localizationOptions: options.Object);
 
             // Act
             var result1 = factory.Create(typeof(ResourceManagerStringLocalizerFactoryTest));
@@ -96,12 +89,10 @@ namespace Microsoft.Extensions.Localization.Tests
         public void Create_FromType_ReturnsNewResultForDifferentType()
         {
             // Arrange
-            var hostingEnvironment = new Mock<IHostingEnvironment>();
-            hostingEnvironment.SetupGet(a => a.ApplicationName).Returns("TestApplication");
             var locOptions = new LocalizationOptions();
             var options = new Mock<IOptions<LocalizationOptions>>();
             options.Setup(o => o.Value).Returns(locOptions);
-            var factory = new ResourceManagerStringLocalizerFactory(hostingEnvironment.Object, localizationOptions: options.Object);
+            var factory = new ResourceManagerStringLocalizerFactory(localizationOptions: options.Object);
 
             // Act
             var result1 = factory.Create(typeof(ResourceManagerStringLocalizerFactoryTest));
@@ -115,13 +106,11 @@ namespace Microsoft.Extensions.Localization.Tests
         public void Create_FromType_ResourcesPathDirectorySeperatorToDot()
         {
             // Arrange
-            var hostingEnvironment = new Mock<IHostingEnvironment>();
             var locOptions = new LocalizationOptions();
             locOptions.ResourcesPath = Path.Combine("My", "Resources");
             var options = new Mock<IOptions<LocalizationOptions>>();
             options.Setup(o => o.Value).Returns(locOptions);
             var factory = new TestResourceManagerStringLocalizerFactory(
-                hostingEnvironment.Object,
                 options.Object,
                 resourceLocationAttribute: null);
 
@@ -136,12 +125,10 @@ namespace Microsoft.Extensions.Localization.Tests
         public void Create_FromNameLocation_ReturnsCachedResultForSameNameLocation()
         {
             // Arrange
-            var hostingEnvironment = new Mock<IHostingEnvironment>();
-            hostingEnvironment.SetupGet(a => a.ApplicationName).Returns("TestApplication");
             var locOptions = new LocalizationOptions();
             var options = new Mock<IOptions<LocalizationOptions>>();
             options.Setup(o => o.Value).Returns(locOptions);
-            var factory = new ResourceManagerStringLocalizerFactory(hostingEnvironment.Object, localizationOptions: options.Object);
+            var factory = new ResourceManagerStringLocalizerFactory(localizationOptions: options.Object);
             var location = typeof(ResourceManagerStringLocalizer).GetTypeInfo().Assembly.FullName;
 
             // Act
@@ -156,12 +143,10 @@ namespace Microsoft.Extensions.Localization.Tests
         public void Create_FromNameLocation_ReturnsNewResultForDifferentName()
         {
             // Arrange
-            var hostingEnvironment = new Mock<IHostingEnvironment>();
-            hostingEnvironment.SetupGet(a => a.ApplicationName).Returns("TestApplication");
             var locOptions = new LocalizationOptions();
             var options = new Mock<IOptions<LocalizationOptions>>();
             options.Setup(o => o.Value).Returns(locOptions);
-            var factory = new ResourceManagerStringLocalizerFactory(hostingEnvironment.Object, localizationOptions: options.Object);
+            var factory = new ResourceManagerStringLocalizerFactory(localizationOptions: options.Object);
             var location = typeof(ResourceManagerStringLocalizer).GetTypeInfo().Assembly.FullName;
 
             // Act
@@ -176,12 +161,10 @@ namespace Microsoft.Extensions.Localization.Tests
         public void Create_FromNameLocation_ReturnsNewResultForDifferentLocation()
         {
             // Arrange
-            var hostingEnvironment = new Mock<IHostingEnvironment>();
-            hostingEnvironment.SetupGet(a => a.ApplicationName).Returns("TestApplication");
             var locOptions = new LocalizationOptions();
             var options = new Mock<IOptions<LocalizationOptions>>();
             options.Setup(o => o.Value).Returns(locOptions);
-            var factory = new ResourceManagerStringLocalizerFactory(hostingEnvironment.Object, localizationOptions: options.Object);
+            var factory = new ResourceManagerStringLocalizerFactory(localizationOptions: options.Object);
             var location1 = new AssemblyName(typeof(ResourceManagerStringLocalizer).GetTypeInfo().Assembly.FullName).Name;
             var location2 = new AssemblyName(typeof(ResourceManagerStringLocalizerFactoryTest).GetTypeInfo().Assembly.FullName).Name;
 
@@ -197,41 +180,32 @@ namespace Microsoft.Extensions.Localization.Tests
         public void Create_FromNameLocation_ResourcesPathDirectorySeparatorToDot()
         {
             // Arrange
-            var hostingEnvironment = new Mock<IHostingEnvironment>();
-            hostingEnvironment.SetupGet(a => a.ApplicationName).Returns("Microsoft.Extensions.Localization.Tests");
             var locOptions = new LocalizationOptions();
             locOptions.ResourcesPath = Path.Combine("My", "Resources");
             var options = new Mock<IOptions<LocalizationOptions>>();
             options.Setup(o => o.Value).Returns(locOptions);
             var factory = new TestResourceManagerStringLocalizerFactory(
-                hostingEnvironment.Object,
                 options.Object,
                 resourceLocationAttribute: null);
 
             // Act
-            var result1 = factory.Create("baseName", location: null);
+            var result1 = factory.Create("baseName", location: "Microsoft.Extensions.Localization.Tests");
 
             // Assert
             Assert.Equal("Microsoft.Extensions.Localization.Tests.My.Resources.baseName", factory.BaseName);
         }
 
         [Fact]
-        public void Create_FromNameLocation_NullLocationUsesApplicationPath()
+        public void Create_FromNameLocation_NullLocationThrows()
         {
             // Arrange
-            var hostingEnvironment = new Mock<IHostingEnvironment>();
-            hostingEnvironment.SetupGet(a => a.ApplicationName).Returns("Microsoft.Extensions.Localization.Tests");
             var locOptions = new LocalizationOptions();
             var options = new Mock<IOptions<LocalizationOptions>>();
             options.Setup(o => o.Value).Returns(locOptions);
-            var factory = new ResourceManagerStringLocalizerFactory(hostingEnvironment.Object, localizationOptions: options.Object);
+            var factory = new ResourceManagerStringLocalizerFactory(localizationOptions: options.Object);
 
-            // Act
-            var result1 = factory.Create("baseName", location: null);
-            var result2 = factory.Create("baseName", location: null);
-
-            // Assert
-            Assert.Same(result1, result2);
+            // Act & Assert
+            Assert.Throws<ArgumentNullException>(() => factory.Create("baseName", location: null));
         }
     }
 }