diff --git a/src/Registration/ImplicitRegistration.cs b/src/Registration/ImplicitRegistration.cs
index aade1547..39b994b1 100644
--- a/src/Registration/ImplicitRegistration.cs
+++ b/src/Registration/ImplicitRegistration.cs
@@ -20,7 +20,6 @@ namespace Unity.Registration
         #region Fields
 
         private int _refCount;
-        private ResolveDelegate<BuilderContext>? _pipeline;
 
         #endregion
 
@@ -132,8 +131,6 @@ namespace Unity.Registration
 
             public bool BuildRequired => _registration.BuildRequired;
 
-            public Converter<Type, Type?>? Map => _registration.BuildType;
-
             public LifetimeManager? LifetimeManager => null;
 
             public int RefCount => _registration._refCount;
diff --git a/src/UnityContainer.Implementation.cs b/src/UnityContainer.Implementation.cs
index b983c5c0..ce777830 100644
--- a/src/UnityContainer.Implementation.cs
+++ b/src/UnityContainer.Implementation.cs
@@ -141,14 +141,14 @@ namespace Unity
                 throw new ArgumentException($"The type {typeTo} cannot be assigned to variables of type {typeFrom}.");
 
 #if NETSTANDARD1_0 || NETCOREAPP1_0
-            if (null == typeFrom && null != typeTo && infoTo.IsInterface)
+            if (null == typeFrom && null != infoTo && infoTo.IsInterface)
 #else
             if (null == typeFrom && null != typeTo && typeTo.IsInterface)
 #endif
                 throw new ArgumentException($"The type {typeTo} is an interface and can not be constructed.");
 
 #if NETSTANDARD1_0 || NETCOREAPP1_0
-            if (null != typeFrom && null != typeTo && infoFrom.IsGenericType && infoTo.IsArray && infoFrom.GetGenericTypeDefinition() == typeof(IEnumerable<>))
+            if (null != infoFrom && null != infoTo && infoFrom.IsGenericType && infoTo.IsArray && infoFrom.GetGenericTypeDefinition() == typeof(IEnumerable<>))
 #else
             if (null != typeFrom && null != typeTo && typeFrom.IsGenericType && typeTo.IsArray && typeFrom.GetGenericTypeDefinition() == typeof(IEnumerable<>))
 #endif
diff --git a/src/UnityContainer.Resolution.cs b/src/UnityContainer.Resolution.cs
index 94f6f5f0..f86a6b2a 100644
--- a/src/UnityContainer.Resolution.cs
+++ b/src/UnityContainer.Resolution.cs
@@ -111,7 +111,9 @@ namespace Unity
                             continue;
                         }
 
+#pragma warning disable CS8601 // Possible null reference assignment.
                         yield return (TElement)value;
+#pragma warning restore CS8601 // Possible null reference assignment.
                     }
                 }
             }
@@ -129,7 +131,9 @@ namespace Unity
                     yield break;
                 }
 
+#pragma warning disable CS8601 // Possible null reference assignment.
                 yield return (TElement)value;
+#pragma warning restore CS8601 // Possible null reference assignment.
             }
         }
 
@@ -171,7 +175,9 @@ namespace Unity
                             continue;
                         }
 
+#pragma warning disable CS8601 // Possible null reference assignment.
                         yield return (TElement)value;
+#pragma warning restore CS8601 // Possible null reference assignment.
                     }
                 }
 
@@ -195,7 +201,9 @@ namespace Unity
                             catch (MakeGenericTypeFailedException) { continue; }
                             catch (InvalidRegistrationException)   { continue; }
 
+#pragma warning disable CS8601 // Possible null reference assignment.
                             yield return (TElement)value;
+#pragma warning restore CS8601 // Possible null reference assignment.
                         }
                     }
                 }
@@ -214,7 +222,9 @@ namespace Unity
                     yield break;
                 }
 
+#pragma warning disable CS8601 // Possible null reference assignment.
                 yield return (TElement)value;
+#pragma warning restore CS8601 // Possible null reference assignment.
             }
         }
 
@@ -289,7 +299,9 @@ namespace Unity
                                 continue;
                             }
 
+#pragma warning disable CS8601 // Possible null reference assignment.
                             yield return (TElement)value;
+#pragma warning restore CS8601 // Possible null reference assignment.
                         }
                     }
                 }
@@ -335,7 +347,9 @@ namespace Unity
                                 continue;
                             }
 
+#pragma warning disable CS8601 // Possible null reference assignment.
                             yield return (TElement)value;
+#pragma warning restore CS8601 // Possible null reference assignment.
                         }
                     }
                 }
@@ -360,7 +374,9 @@ namespace Unity
                             catch (MakeGenericTypeFailedException) { continue; }
                             catch (InvalidRegistrationException)   { continue; }
 
+#pragma warning disable CS8601 // Possible null reference assignment.
                             yield return (TElement)value;
+#pragma warning restore CS8601 // Possible null reference assignment.
                         }
                     }
                 }
@@ -406,7 +422,9 @@ namespace Unity
                                 continue;
                             }
 
+#pragma warning disable CS8601 // Possible null reference assignment.
                             yield return (TElement)value;
+#pragma warning restore CS8601 // Possible null reference assignment.
                         }
                     }
                 }
@@ -453,7 +471,9 @@ namespace Unity
                                 continue;
                             }
 
+#pragma warning disable CS8601 // Possible null reference assignment.
                             yield return (TElement)value;
+#pragma warning restore CS8601 // Possible null reference assignment.
                         }
                     }
                 }
@@ -473,12 +493,16 @@ namespace Unity
                             {
                                 var itemKey = new HashKey(typeof(TElement), registration.Name);
                                 var item = container.GetOrAdd(ref itemKey, typeof(TElement), registration.Name);
+#pragma warning disable CS8601 // Possible null reference assignment.
                                 value = (TElement)resolve(typeof(TElement), item);
+#pragma warning restore CS8601 // Possible null reference assignment.
                             }
                             catch (MakeGenericTypeFailedException) { continue; }
                             catch (InvalidRegistrationException)   { continue; }
 
+#pragma warning disable CS8601 // Possible null reference assignment.
                             yield return (TElement)value;
+#pragma warning restore CS8601 // Possible null reference assignment.
                         }
                     }
                 }
diff --git a/src/Utility/ExtensionExtensions.cs b/src/Utility/ExtensionExtensions.cs
index 99c7f203..42b1310d 100644
--- a/src/Utility/ExtensionExtensions.cs
+++ b/src/Utility/ExtensionExtensions.cs
@@ -63,7 +63,9 @@ namespace Unity
         public static TConfigurator Configure<TConfigurator>(this IUnityContainer container)
             where TConfigurator : IUnityContainerExtensionConfigurator
         {
+#pragma warning disable CS8601 // Possible null reference assignment.
             return (TConfigurator)(container ?? throw new ArgumentNullException(nameof(container))).Configure(typeof(TConfigurator));
+#pragma warning restore CS8601 // Possible null reference assignment.
         }
 
         #endregion