diff --git a/csharp/tutorials/RangesIndexes/IndicesAndRanges.cs b/csharp/tutorials/RangesIndexes/IndicesAndRanges.cs
deleted file mode 100644
index 8675e32359c..00000000000
--- a/csharp/tutorials/RangesIndexes/IndicesAndRanges.cs
+++ /dev/null
@@ -1,151 +0,0 @@
-using System;
-using System.Linq;
-
-namespace RangesIndexes
-{
-    class IndicesAndRanges
-    {
-        // <SnippetIndicesAndRanges_Initialization>
-        private string[] words = new string[]
-        {
-                        // index from start    index from end
-            "The",      // 0                   ^9
-            "quick",    // 1                   ^8
-            "brown",    // 2                   ^7
-            "fox",      // 3                   ^6
-            "jumped",   // 4                   ^5
-            "over",     // 5                   ^4
-            "the",      // 6                   ^3
-            "lazy",     // 7                   ^2
-            "dog"       // 8                   ^1
-        };
-        // </SnippetIndicesAndRanges_Initialization>
-
-        internal int Syntax_LastIndex()
-        {
-            // <SnippetIndicesAndRanges_LastIndex>
-            Console.WriteLine($"The last word is {words[^1]}");
-            // </SnippetIndicesAndRanges_LastIndex>
-            return 0;
-        }
-
-        internal int Syntax_Range()
-        {
-            // <SnippetIndicesAndRanges_Range>
-            string[] quickBrownFox = words[1..4];
-            foreach (var word in quickBrownFox)
-                Console.Write($"< {word} >");
-            Console.WriteLine();
-            // </SnippetIndicesAndRanges_Range>
-            return 0;
-        }
-
-        internal int Syntax_LastRange()
-        {
-            // <SnippetIndicesAndRanges_LastRange>
-            string[] lazyDog = words[^2..^0];
-            foreach (var word in lazyDog)
-                Console.Write($"< {word} >");
-            Console.WriteLine();
-            // </SnippetIndicesAndRanges_LastRange>
-            return 0;
-        }
-
-        internal int Syntax_PartialRange()
-        {
-            // <SnippetIndicesAndRanges_PartialRanges>
-            string[] allWords = words[..]; // contains "The" through "dog".
-            string[] firstPhrase = words[..4]; // contains "The" through "fox"
-            string[] lastPhrase = words[6..]; // contains "the, "lazy" and "dog"
-            foreach (var word in allWords)
-                Console.Write($"< {word} >");
-            Console.WriteLine();
-            foreach (var word in firstPhrase)
-                Console.Write($"< {word} >");
-            Console.WriteLine();
-            foreach (var word in lastPhrase)
-                Console.Write($"< {word} >");
-            Console.WriteLine();
-            // </SnippetIndicesAndRanges_PartialRanges>
-            return 0;
-        }
-
-        internal int Syntax_IndexRangeType()
-        {
-            // <SnippetIndicesAndRanges_RangeIndexTypes>
-            Index the = ^3;
-            Console.WriteLine(words[the]);
-            Range phrase = 1..4;
-            string[] text = words[phrase];
-            foreach (var word in text)
-                Console.Write($"< {word} >");
-            Console.WriteLine();
-            // </SnippetIndicesAndRanges_RangeIndexTypes>
-            return 0;
-        }
-
-        internal int Syntax_WhyChosenSemantics()
-        {
-            // <SnippetIndicesAndRanges_Semantics>
-            int[] numbers = Enumerable.Range(0, 100).ToArray();
-            int x = 12;
-            int y = 25;
-            int z = 36;
-
-            Console.WriteLine($"{numbers[^x]} is the same as {numbers[numbers.Length - x]}");
-            Console.WriteLine($"{numbers[x..y].Length} is the same as {y - x}");
-
-            Console.WriteLine("numbers[x..y] and numbers[y..z] are consecutive and disjoint:");
-            Span<int> x_y = numbers[x..y];
-            Span<int> y_z = numbers[y..z];
-            Console.WriteLine($"\tnumbers[x..y] is {x_y[0]} through {x_y[^1]}, numbers[y..z] is {y_z[0]} through {y_z[^1]}");
-
-            Console.WriteLine("numbers[x..^x] removes x elements at each end:");
-            Span<int> x_x = numbers[x..^x];
-            Console.WriteLine($"\tnumbers[x..^x] starts with {x_x[0]} and ends with {x_x[^1]}");
-
-            Console.WriteLine("numbers[..x] means numbers[0..x] and numbers[x..] means numbers[x..^0]");
-            Span<int> start_x = numbers[..x];
-            Span<int> zero_x = numbers[0..x];
-            Console.WriteLine($"\t{start_x[0]}..{start_x[^1]} is the same as {zero_x[0]}..{zero_x[^1]}");
-            Span<int> z_end = numbers[z..];
-            Span<int> z_zero = numbers[z..^0];
-            Console.WriteLine($"\t{z_end[0]}..{z_end[^1]} is the same as {z_zero[0]}..{z_zero[^1]}");
-            // </SnippetIndicesAndRanges_Semantics>
-            return 0;
-        }
-
-        internal int ComputeMovingAverages()
-        {
-            // <SnippetIndicesAndRanges_MovingAverage>
-            int[] sequence = Sequence(1000);
-
-            for(int start = 0; start < sequence.Length; start += 100)
-            {
-                Range r = start..(start+10);
-                var (min, max, average) = MovingAverage(sequence, r);
-                Console.WriteLine($"From {r.Start} to {r.End}:    \tMin: {min},\tMax: {max},\tAverage: {average}");
-            }
-
-            for (int start = 0; start < sequence.Length; start += 100)
-            {
-                Range r = ^(start + 10)..^start;
-                var (min, max, average) = MovingAverage(sequence, r);
-                Console.WriteLine($"From {r.Start} to {r.End}:  \tMin: {min},\tMax: {max},\tAverage: {average}");
-            }
-
-            (int min, int max, double average) MovingAverage(int[] subSequence, Range range) =>
-                (
-                    subSequence[range].Min(),
-                    subSequence[range].Max(),
-                    subSequence[range].Average()
-                );
-
-            int[] Sequence(int count) =>
-                Enumerable.Range(0, count).Select(x => (int)(Math.Sqrt(x) * 100)).ToArray();
-            // </SnippetIndicesAndRanges_MovingAverage>
-
-            return 0;
-        }
-    }
-}
diff --git a/csharp/tutorials/RangesIndexes/Program.cs b/csharp/tutorials/RangesIndexes/Program.cs
deleted file mode 100644
index 236aa180891..00000000000
--- a/csharp/tutorials/RangesIndexes/Program.cs
+++ /dev/null
@@ -1,27 +0,0 @@
-using System;
-
-namespace RangesIndexes
-{
-    class Program
-    {
-        static void Main(string[] args)
-        {
-            Console.WriteLine("==========          Starting Index and Range Samples.          ==========");
-            var indexSamples = new IndicesAndRanges();
-            Console.WriteLine("          ==========          Last Index.            ==========");
-            indexSamples.Syntax_LastIndex();
-            Console.WriteLine("          ==========          Range.                 ==========");
-            indexSamples.Syntax_Range();
-            Console.WriteLine("          ==========          Last Range.            ==========");
-            indexSamples.Syntax_LastRange();
-            Console.WriteLine("          ==========          Partial Range.         ==========");
-            indexSamples.Syntax_PartialRange();
-            Console.WriteLine("          ==========          Index and Range types. ==========");
-            indexSamples.Syntax_IndexRangeType();
-            Console.WriteLine("          ==========          Why this syntax.       ==========");
-            indexSamples.Syntax_WhyChosenSemantics();
-            Console.WriteLine("          ==========          Scenario.              ==========");
-            indexSamples.ComputeMovingAverages();
-        }
-    }
-}
diff --git a/csharp/tutorials/RangesIndexes/RangesIndexes.csproj b/csharp/tutorials/RangesIndexes/RangesIndexes.csproj
deleted file mode 100644
index 958d2f1daae..00000000000
--- a/csharp/tutorials/RangesIndexes/RangesIndexes.csproj
+++ /dev/null
@@ -1,8 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
-  </PropertyGroup>
-
-</Project>