diff --git a/Octokit/Exceptions/InvalidGitignoreTemplateException.cs b/Octokit/Exceptions/InvalidGitignoreTemplateException.cs
index f8016962..5919cfd1 100644
--- a/Octokit/Exceptions/InvalidGitignoreTemplateException.cs
+++ b/Octokit/Exceptions/InvalidGitignoreTemplateException.cs
@@ -22,7 +22,6 @@ namespace Octokit
         /// Constructs an instance of ApiValidationException
         /// </summary>
         public InvalidGitIgnoreTemplateException()
-            : base()
         { }
 
         /// <summary>
diff --git a/Octokit/Helpers/CollectionExtensions.cs b/Octokit/Helpers/CollectionExtensions.cs
index 336d337a..74548d98 100644
--- a/Octokit/Helpers/CollectionExtensions.cs
+++ b/Octokit/Helpers/CollectionExtensions.cs
@@ -16,34 +16,18 @@ namespace Octokit
 
         public static IList<string> Clone(this IReadOnlyList<string> input)
         {
-            List<string> output = null;
             if (input == null)
-                return output;
+                return null;
 
-            output = new List<string>();
-
-            foreach (var item in input)
-            {
-                output.Add(new String(item.ToCharArray()));
-            }
-
-            return output;
+            return input.Select(item => new String(item.ToCharArray())).ToList();
         }
 
         public static IDictionary<string, Uri> Clone(this IReadOnlyDictionary<string, Uri> input)
         {
-            Dictionary<string, Uri> output = null;
             if (input == null)
-                return output;
+                return null;
 
-            output = new Dictionary<string, Uri>();
-
-            foreach (var item in input)
-            {
-                output.Add(new String(item.Key.ToCharArray()), new Uri(item.Value.ToString()));
-            }
-
-            return output;
+            return input.ToDictionary(item => new String(item.Key.ToCharArray()), item => new Uri(item.Value.ToString()));
         }
     }
 }
diff --git a/Octokit/Helpers/StringExtensions.cs b/Octokit/Helpers/StringExtensions.cs
index f195d405..fd2d9175 100644
--- a/Octokit/Helpers/StringExtensions.cs
+++ b/Octokit/Helpers/StringExtensions.cs
@@ -51,7 +51,7 @@ namespace Octokit
             if (optionalQueryStringMatch.Success)
             {
                 var expansion = string.Empty;
-                var parameters = optionalQueryStringMatch.Groups[1].Value.Split(new char[] { ',' });
+                var parameters = optionalQueryStringMatch.Groups[1].Value.Split(',');
 
                 foreach (var parameter in parameters)
                 {
diff --git a/Octokit/Http/ApiInfo.cs b/Octokit/Http/ApiInfo.cs
index b053b3fc..505a5752 100644
--- a/Octokit/Http/ApiInfo.cs
+++ b/Octokit/Http/ApiInfo.cs
@@ -60,14 +60,14 @@ namespace Octokit
         {
             // Seem to have to do this to pass a whole bunch of tests (for example Octokit.Tests.Clients.EventsClientTests.DeserializesCommitCommentEventCorrectly)
             // I believe this has something to do with the Mocking framework.
-            if (this.Links == null || this.OauthScopes == null || this.RateLimit == null || this.Etag == null)
+            if (Links == null || OauthScopes == null || RateLimit == null || Etag == null)
                 return null;
 
-            return new ApiInfo(this.Links.Clone(),
-                                this.OauthScopes.Clone(),
-                                this.AcceptedOauthScopes.Clone(),
+            return new ApiInfo(Links.Clone(),
+                                OauthScopes.Clone(),
+                                AcceptedOauthScopes.Clone(),
                                 new String(this.Etag.ToCharArray()),
-                                this.RateLimit.Clone());
+                                RateLimit.Clone());
         }
     }
 }
diff --git a/Octokit/Http/HttpClientAdapter.cs b/Octokit/Http/HttpClientAdapter.cs
index af02007e..d2f855b6 100644
--- a/Octokit/Http/HttpClientAdapter.cs
+++ b/Octokit/Http/HttpClientAdapter.cs
@@ -230,7 +230,7 @@ namespace Octokit.Internal
                 {
                     newRequest.Headers.Authorization = null;
                 }
-                response = await this.SendAsync(newRequest, cancellationToken);
+                response = await SendAsync(newRequest, cancellationToken);
             }
 
             return response;
diff --git a/Octokit/Http/RateLimit.cs b/Octokit/Http/RateLimit.cs
index aa23befc..2ed4249f 100644
--- a/Octokit/Http/RateLimit.cs
+++ b/Octokit/Http/RateLimit.cs
@@ -108,9 +108,9 @@ namespace Octokit
         {
             return new RateLimit
             {
-                Limit = this.Limit,
-                Remaining = this.Remaining,
-                ResetAsUtcEpochSeconds = this.ResetAsUtcEpochSeconds
+                Limit = Limit,
+                Remaining = Remaining,
+                ResetAsUtcEpochSeconds = ResetAsUtcEpochSeconds
             };
         }
     }
diff --git a/Octokit/Models/Response/ActivityPayloads/ActivityPayload.cs b/Octokit/Models/Response/ActivityPayloads/ActivityPayload.cs
index 9e2cdfd1..99a9639a 100644
--- a/Octokit/Models/Response/ActivityPayloads/ActivityPayload.cs
+++ b/Octokit/Models/Response/ActivityPayloads/ActivityPayload.cs
@@ -10,7 +10,7 @@ namespace Octokit
 
         internal string DebuggerDisplay
         {
-            get { return this.Repository.FullName; }
+            get { return Repository.FullName; }
         }
     }
 }