diff --git a/MoreLinq.Test/TuplewiseTest.g.cs b/MoreLinq.Test/TuplewiseTest.g.cs
deleted file mode 100644
index bdb84e273..000000000
--- a/MoreLinq.Test/TuplewiseTest.g.cs
+++ /dev/null
@@ -1,86 +0,0 @@
-#region License and Terms
-// MoreLINQ - Extensions to LINQ to Objects
-// Copyright (c) 2019 Phillip Palk. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-#endregion
-
-namespace MoreLinq.Test
-{
-    using System;
-    using System.Collections.Generic;
-    using NUnit.Framework;
-
-    [TestFixture]
-    public class TuplewiseTest
-    {
-        private void TuplewiseNWide<TSource, TResult, TFunc>(Func<IEnumerable<TSource>, TFunc, IEnumerable<TResult>> tuplewise, TFunc resultSelector, IEnumerable<TSource> source, params TResult[] fullResult)
-        {
-            var arity = resultSelector.GetType().GetGenericArguments().Length - 1;
-
-            for (var i = 0; i < fullResult.Length; ++i)
-                using (var ts = source.Take(i).AsTestingSequence())
-                    Assert.That(tuplewise(ts, resultSelector), Is.EqualTo(fullResult.Take(i - arity + 1)));
-        }
-
-        private void TuplewiseNWideInt<TFunc>(Func<IEnumerable<int>, TFunc, IEnumerable<int>> tuplewise, TFunc resultSelector)
-        {
-            const int rangeLen = 100;
-            var arity = resultSelector.GetType().GetGenericArguments().Length - 1;
-
-            TuplewiseNWide(
-                tuplewise,
-                resultSelector,
-                Enumerable.Range(1, rangeLen),
-                Enumerable.Range(1, rangeLen - (arity - 1)).Select(x => x * arity + Enumerable.Range(1, arity - 1).Sum()).ToArray()
-            );
-        }
-
-        private void TuplewiseNWideString<TFunc>(Func<IEnumerable<char>, TFunc, IEnumerable<string>> tuplewise, TFunc resultSelector)
-        {
-            const string alphabet = "abcdefghijklmnopqrstuvwxyz";
-            var arity = resultSelector.GetType().GetGenericArguments().Length - 1;
-
-            TuplewiseNWide(
-                tuplewise,
-                resultSelector,
-                alphabet,
-                Enumerable.Range(0, alphabet.Length - (arity - 1)).Select(i => alphabet.Skip(i).Take(arity)).ToArray()
-            );
-        }
-
-        [Test]
-        public void TuplewiseIsLazy()
-        {
-            new BreakingSequence<object>().Tuplewise(BreakingFunc.Of<object, object,                 int>());
-            new BreakingSequence<object>().Tuplewise(BreakingFunc.Of<object, object, object,         int>());
-            new BreakingSequence<object>().Tuplewise(BreakingFunc.Of<object, object, object, object, int>());
-        }
-
-        [Test]
-        public void TuplewiseIntegers()
-        {
-            TuplewiseNWideInt<Func<int, int,           int>>((source, func) => MoreEnumerable.Tuplewise(source, func), (a, b      ) => a + b        );
-            TuplewiseNWideInt<Func<int, int, int,      int>>((source, func) => MoreEnumerable.Tuplewise(source, func), (a, b, c   ) => a + b + c    );
-            TuplewiseNWideInt<Func<int, int, int, int, int>>((source, func) => MoreEnumerable.Tuplewise(source, func), (a, b, c, d) => a + b + c + d);
-        }
-
-        [Test]
-        public void TuplewiseStrings()
-        {
-            TuplewiseNWideString<Func<char, char,             string>>((source, func) => MoreEnumerable.Tuplewise(source, func), (a, b      ) => string.Join(string.Empty, a, b      ));
-            TuplewiseNWideString<Func<char, char, char,       string>>((source, func) => MoreEnumerable.Tuplewise(source, func), (a, b, c   ) => string.Join(string.Empty, a, b, c   ));
-            TuplewiseNWideString<Func<char, char, char, char, string>>((source, func) => MoreEnumerable.Tuplewise(source, func), (a, b, c, d) => string.Join(string.Empty, a, b, c, d));
-        }
-    }
-}
diff --git a/MoreLinq/Tuplewise.g.cs b/MoreLinq/Tuplewise.g.cs
deleted file mode 100644
index 38b23bff7..000000000
--- a/MoreLinq/Tuplewise.g.cs
+++ /dev/null
@@ -1,152 +0,0 @@
-#region License and Terms
-// MoreLINQ - Extensions to LINQ to Objects
-// Copyright (c) 2019 Phillip Palk. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-#endregion
-
-namespace MoreLinq
-{
-    using System;
-    using System.Collections.Generic;
-
-    partial class MoreEnumerable
-    {
-        /// <summary>
-        /// Returns a sequence resulting from applying a function to each
-        /// element in the source sequence and its
-        /// predecessor, with the exception of the first element which is
-        /// only returned as the predecessor of the second element.
-        /// </summary>
-        /// <typeparam name="TSource">The type of the elements of <paramref name="source"/>.</typeparam>
-        /// <typeparam name="TResult">The type of the elements of the returned sequence.</typeparam>
-        /// <param name="source">The source sequence.</param>
-        /// <param name="resultSelector">A transform function to apply to each pair of <paramref name="source"/>.</param>
-        /// <returns>Returns the resulting sequence.</returns>
-        /// <exception cref="ArgumentNullException"><paramref name="source"/> is null</exception>
-        /// <exception cref="ArgumentNullException"><paramref name="resultSelector"/> is null</exception>
-        /// <remarks>
-        /// This operator uses deferred execution and streams its results.
-        /// </remarks>
-
-        public static IEnumerable<TResult> Tuplewise<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, TSource, TResult> resultSelector)
-        {
-            if (source == null) throw new ArgumentNullException(nameof(source));
-            if (resultSelector == null) throw new ArgumentNullException(nameof(resultSelector));
-
-            return _(); IEnumerable<TResult> _()
-            {
-                using var e = source.GetEnumerator();
-
-                if (!e.MoveNext())
-                    yield break;
-                var predecessor1 = e.Current;
-
-                while (e.MoveNext())
-                {
-                    yield return resultSelector(predecessor1, e.Current);
-                    (predecessor1) = (e.Current);
-                }
-            }
-        }
-
-        /// <summary>
-        /// Returns a sequence resulting from applying a function to each
-        /// element in the source sequence and its
-        /// 2 predecessors, with the exception of the first and second elements which are
-        /// only returned as the predecessors of the third element.
-        /// </summary>
-        /// <typeparam name="TSource">The type of the elements of <paramref name="source"/>.</typeparam>
-        /// <typeparam name="TResult">The type of the elements of the returned sequence.</typeparam>
-        /// <param name="source">The source sequence.</param>
-        /// <param name="resultSelector">A transform function to apply to each triplet of <paramref name="source"/>.</param>
-        /// <returns>Returns the resulting sequence.</returns>
-        /// <exception cref="ArgumentNullException"><paramref name="source"/> is null</exception>
-        /// <exception cref="ArgumentNullException"><paramref name="resultSelector"/> is null</exception>
-        /// <remarks>
-        /// This operator uses deferred execution and streams its results.
-        /// </remarks>
-
-        public static IEnumerable<TResult> Tuplewise<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, TSource, TSource, TResult> resultSelector)
-        {
-            if (source == null) throw new ArgumentNullException(nameof(source));
-            if (resultSelector == null) throw new ArgumentNullException(nameof(resultSelector));
-
-            return _(); IEnumerable<TResult> _()
-            {
-                using var e = source.GetEnumerator();
-
-                if (!e.MoveNext())
-                    yield break;
-                var predecessor1 = e.Current;
-
-                if (!e.MoveNext())
-                    yield break;
-                var predecessor2 = e.Current;
-
-                while (e.MoveNext())
-                {
-                    yield return resultSelector(predecessor1, predecessor2, e.Current);
-                    (predecessor1, predecessor2) = (predecessor2, e.Current);
-                }
-            }
-        }
-
-        /// <summary>
-        /// Returns a sequence resulting from applying a function to each
-        /// element in the source sequence and its
-        /// 3 predecessors, with the exception of the first 3 elements which are
-        /// only returned as the predecessors of the 4th element.
-        /// </summary>
-        /// <typeparam name="TSource">The type of the elements of <paramref name="source"/>.</typeparam>
-        /// <typeparam name="TResult">The type of the elements of the returned sequence.</typeparam>
-        /// <param name="source">The source sequence.</param>
-        /// <param name="resultSelector">A transform function to apply to each 4-tuple of <paramref name="source"/>.</param>
-        /// <returns>Returns the resulting sequence.</returns>
-        /// <exception cref="ArgumentNullException"><paramref name="source"/> is null</exception>
-        /// <exception cref="ArgumentNullException"><paramref name="resultSelector"/> is null</exception>
-        /// <remarks>
-        /// This operator uses deferred execution and streams its results.
-        /// </remarks>
-
-        public static IEnumerable<TResult> Tuplewise<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, TSource, TSource, TSource, TResult> resultSelector)
-        {
-            if (source == null) throw new ArgumentNullException(nameof(source));
-            if (resultSelector == null) throw new ArgumentNullException(nameof(resultSelector));
-
-            return _(); IEnumerable<TResult> _()
-            {
-                using var e = source.GetEnumerator();
-
-                if (!e.MoveNext())
-                    yield break;
-                var predecessor1 = e.Current;
-
-                if (!e.MoveNext())
-                    yield break;
-                var predecessor2 = e.Current;
-
-                if (!e.MoveNext())
-                    yield break;
-                var predecessor3 = e.Current;
-
-                while (e.MoveNext())
-                {
-                    yield return resultSelector(predecessor1, predecessor2, predecessor3, e.Current);
-                    (predecessor1, predecessor2, predecessor3) = (predecessor2, predecessor3, e.Current);
-                }
-            }
-        }
-
-    }
-}