diff --git a/benchmarks/Microsoft.AspNetCore.Routing.Performance/Matching/JumpTableSingleEntryBenchmark.cs b/benchmarks/Microsoft.AspNetCore.Routing.Performance/Matching/JumpTableSingleEntryBenchmark.cs
index 690c1788b8..1f676ce5ad 100644
--- a/benchmarks/Microsoft.AspNetCore.Routing.Performance/Matching/JumpTableSingleEntryBenchmark.cs
+++ b/benchmarks/Microsoft.AspNetCore.Routing.Performance/Matching/JumpTableSingleEntryBenchmark.cs
@@ -51,7 +51,7 @@ namespace Microsoft.AspNetCore.Routing.Matching
             var segments = _segments;
 
             int destination = 0;
-            for (int i = 0; i < strings.Length; i++)
+            for (var i = 0; i < strings.Length; i++)
             {
                 var @string = strings[i];
                 var segment = segments[i];
@@ -86,7 +86,7 @@ namespace Microsoft.AspNetCore.Routing.Matching
             var segments = _segments;
 
             var destination = 0;
-            for (int i = 0; i < strings.Length; i++)
+            for (var i = 0; i < strings.Length; i++)
             {
                 destination = _implementation.GetDestination(strings[i], segments[i]);
             }
@@ -101,7 +101,7 @@ namespace Microsoft.AspNetCore.Routing.Matching
             var segments = _segments;
 
             var destination = 0;
-            for (int i = 0; i < strings.Length; i++)
+            for (var i = 0; i < strings.Length; i++)
             {
                 destination = _prototype.GetDestination(strings[i], segments[i]);
             }
diff --git a/test/Microsoft.AspNetCore.Routing.Tests/Matching/BarebonesMatcherConformanceTest.cs b/test/Microsoft.AspNetCore.Routing.Tests/Matching/BarebonesMatcherConformanceTest.cs
index bedc07a206..a8745ef2ed 100644
--- a/test/Microsoft.AspNetCore.Routing.Tests/Matching/BarebonesMatcherConformanceTest.cs
+++ b/test/Microsoft.AspNetCore.Routing.Tests/Matching/BarebonesMatcherConformanceTest.cs
@@ -49,7 +49,7 @@ namespace Microsoft.AspNetCore.Routing.Matching
         internal override Matcher CreateMatcher(params RouteEndpoint[] endpoints)
         {
             var builder = new BarebonesMatcherBuilder();
-            for (int i = 0; i < endpoints.Length; i++)
+            for (var i = 0; i < endpoints.Length; i++)
             {
                 builder.AddEndpoint(endpoints[i]);
             }
diff --git a/test/Microsoft.AspNetCore.Routing.Tests/Matching/DfaMatcherConformanceTest.cs b/test/Microsoft.AspNetCore.Routing.Tests/Matching/DfaMatcherConformanceTest.cs
index 5d44e62ab0..5f55304b02 100644
--- a/test/Microsoft.AspNetCore.Routing.Tests/Matching/DfaMatcherConformanceTest.cs
+++ b/test/Microsoft.AspNetCore.Routing.Tests/Matching/DfaMatcherConformanceTest.cs
@@ -32,7 +32,7 @@ namespace Microsoft.AspNetCore.Routing.Matching
                 .BuildServiceProvider();
 
             var builder = services.GetRequiredService<DfaMatcherBuilder>();
-            for (int i = 0; i < endpoints.Length; i++)
+            for (var i = 0; i < endpoints.Length; i++)
             {
                 builder.AddEndpoint(endpoints[i]);
             }
diff --git a/test/Microsoft.AspNetCore.Routing.Tests/Matching/RouteMatcherConformanceTest.cs b/test/Microsoft.AspNetCore.Routing.Tests/Matching/RouteMatcherConformanceTest.cs
index 5daf2cae95..1690696951 100644
--- a/test/Microsoft.AspNetCore.Routing.Tests/Matching/RouteMatcherConformanceTest.cs
+++ b/test/Microsoft.AspNetCore.Routing.Tests/Matching/RouteMatcherConformanceTest.cs
@@ -8,7 +8,7 @@ namespace Microsoft.AspNetCore.Routing.Matching
         internal override Matcher CreateMatcher(params RouteEndpoint[] endpoints)
         {
             var builder = new RouteMatcherBuilder();
-            for (int i = 0; i < endpoints.Length; i++)
+            for (var i = 0; i < endpoints.Length; i++)
             {
                 builder.AddEndpoint(endpoints[i]); 
             }
diff --git a/test/Microsoft.AspNetCore.Routing.Tests/Patterns/RoutePatternParserTest.cs b/test/Microsoft.AspNetCore.Routing.Tests/Patterns/RoutePatternParserTest.cs
index 1a1f131091..b564805d31 100644
--- a/test/Microsoft.AspNetCore.Routing.Tests/Patterns/RoutePatternParserTest.cs
+++ b/test/Microsoft.AspNetCore.Routing.Tests/Patterns/RoutePatternParserTest.cs
@@ -665,7 +665,7 @@ namespace Microsoft.AspNetCore.Routing.Patterns
                         return false;
                     }
 
-                    for (int i = 0; i < x.PathSegments.Count; i++)
+                    for (var i = 0; i < x.PathSegments.Count; i++)
                     {
                         if (x.PathSegments[i].Parts.Count != y.PathSegments[i].Parts.Count)
                         {
@@ -686,7 +686,7 @@ namespace Microsoft.AspNetCore.Routing.Patterns
                         return false;
                     }
 
-                    for (int i = 0; i < x.Parameters.Count; i++)
+                    for (var i = 0; i < x.Parameters.Count; i++)
                     {
                         if (!Equals(x.Parameters[i], y.Parameters[i]))
                         {
diff --git a/test/Microsoft.AspNetCore.Routing.Tests/Template/TemplateParserTests.cs b/test/Microsoft.AspNetCore.Routing.Tests/Template/TemplateParserTests.cs
index 39f2a1159e..77813d0232 100644
--- a/test/Microsoft.AspNetCore.Routing.Tests/Template/TemplateParserTests.cs
+++ b/test/Microsoft.AspNetCore.Routing.Tests/Template/TemplateParserTests.cs
@@ -840,7 +840,7 @@ namespace Microsoft.AspNetCore.Routing.Template.Tests
                         return false;
                     }
 
-                    for (int i = 0; i < x.Segments.Count; i++)
+                    for (var i = 0; i < x.Segments.Count; i++)
                     {
                         if (x.Segments[i].Parts.Count != y.Segments[i].Parts.Count)
                         {
@@ -861,7 +861,7 @@ namespace Microsoft.AspNetCore.Routing.Template.Tests
                         return false;
                     }
 
-                    for (int i = 0; i < x.Parameters.Count; i++)
+                    for (var i = 0; i < x.Parameters.Count; i++)
                     {
                         if (!Equals(x.Parameters[i], y.Parameters[i]))
                         {
diff --git a/test/Microsoft.AspNetCore.Routing.Tests/Tree/TreeRouterTest.cs b/test/Microsoft.AspNetCore.Routing.Tests/Tree/TreeRouterTest.cs
index 37ba101520..f18cb657bc 100644
--- a/test/Microsoft.AspNetCore.Routing.Tests/Tree/TreeRouterTest.cs
+++ b/test/Microsoft.AspNetCore.Routing.Tests/Tree/TreeRouterTest.cs
@@ -39,7 +39,7 @@ namespace Microsoft.AspNetCore.Routing.Tree
             var expectedRouteGroup = CreateRouteGroup(0, "{parameter1=1}/{parameter2=2}/{parameter3=3}/{*parameter4=4}");
             var routeValueKeys = new[] { "parameter1", "parameter2", "parameter3", "parameter4" };
             var expectedRouteValues = new RouteValueDictionary();
-            for (int i = 0; i < routeValueKeys.Length; i++)
+            for (var i = 0; i < routeValueKeys.Length; i++)
             {
                 expectedRouteValues.Add(routeValueKeys[i], routeValues[i]);
             }
@@ -210,7 +210,7 @@ namespace Microsoft.AspNetCore.Routing.Tree
             var expectedRouteGroup = CreateRouteGroup(0, "{parameter1=1}/{parameter2=2}/{parameter3=3}/{parameter4=4}");
             var routeValueKeys = new[] { "parameter1", "parameter2", "parameter3", "parameter4" };
             var expectedRouteValues = new RouteValueDictionary();
-            for (int i = 0; i < routeValueKeys.Length; i++)
+            for (var i = 0; i < routeValueKeys.Length; i++)
             {
                 expectedRouteValues.Add(routeValueKeys[i], routeValues[i]);
             }
@@ -262,7 +262,7 @@ namespace Microsoft.AspNetCore.Routing.Tree
             var expectedRouteGroup = CreateRouteGroup(0, "{parameter1:int=1}/{parameter2:int=2}/{parameter3:int=3}/{parameter4:int=4}");
             var routeValueKeys = new[] { "parameter1", "parameter2", "parameter3", "parameter4" };
             var expectedRouteValues = new RouteValueDictionary();
-            for (int i = 0; i < routeValueKeys.Length; i++)
+            for (var i = 0; i < routeValueKeys.Length; i++)
             {
                 expectedRouteValues.Add(routeValueKeys[i], routeValues[i]);
             }
@@ -305,7 +305,7 @@ namespace Microsoft.AspNetCore.Routing.Tree
             var expectedRouteGroup = CreateRouteGroup(0, "{parameter1=1}/{parameter2=2}/{parameter3=3}/{*parameter4=4}");
             var routeValueKeys = new[] { "parameter1", "parameter2", "parameter3", "parameter4" };
             var expectedRouteValues = new RouteValueDictionary();
-            for (int i = 0; i < routeValueKeys.Length; i++)
+            for (var i = 0; i < routeValueKeys.Length; i++)
             {
                 expectedRouteValues.Add(routeValueKeys[i], routeValues[i]);
             }