diff --git a/Syllabore/Syllabore.Tests/SyllableGeneratorTests.cs b/Syllabore/Syllabore.Tests/SyllableGeneratorTests.cs
index a7ec6b6..12d987b 100644
--- a/Syllabore/Syllabore.Tests/SyllableGeneratorTests.cs
+++ b/Syllabore/Syllabore.Tests/SyllableGeneratorTests.cs
@@ -45,71 +45,6 @@ private static SyllableGenerator GetConsonantOnlyGenerator()
                     .WithTrailingConsonantSequences("bbbb", "bbbbb");
         }
 
-        /// <summary>
-        /// Helper method to check that the output of a provider never contains 
-        /// <strong>any</strong> of the specified substrings.
-        /// </summary>
-        private bool EachOutputNeverContainsAnyOf(SyllableGenerator p, params string[] invalidSubstrings)
-        {
-            bool outputNeverAppears = true;
-            for (int i = 0; i < 1000; i++)
-            {
-                var s = p.NextSyllable();
-                if (s.ContainsAny(invalidSubstrings))
-                {
-                    outputNeverAppears = false;
-                    break;
-                }
-            }
-
-            return outputNeverAppears;
-        }
-
-        /// <summary>
-        /// Helper method to check that the output of a provider always contains at least one
-        /// instance of <strong>any</strong> of the specified substrings.
-        /// </summary>
-        private bool EachOutputContainsAnyOf(SyllableGenerator p, params string[] validSubstrings)
-        {
-            bool outputAlwaysAppears = true;
-            for (int i = 0; i < 1000; i++)
-            {
-                var s = p.NextSyllable();
-                if (!s.ContainsAny(validSubstrings))
-                {
-                    outputAlwaysAppears = false;
-                    break;
-                }
-            }
-
-            return outputAlwaysAppears;
-        }
-
-        /// <summary>
-        /// Helper method to check that the output of a provider always contains at least one
-        /// instance of <strong>all</strong> of the specified substrings.
-        /// </summary>
-        private bool AllOutputContainsAtLeastOnce(SyllableGenerator p, params string[] validSubstrings)
-        {
-            bool[] substringAppeared = new bool[validSubstrings.Length];
-
-            for (int i = 0; i < 1000; i++)
-            {
-                var s = p.NextSyllable();
-
-                for (int j = 0; j < validSubstrings.Length; j++)
-                {
-                    if (s.Contains(validSubstrings[j]))
-                    {
-                        substringAppeared[j] = true;
-                    }
-                }
-            }
-
-            return substringAppeared.All(x => x);
-
-        }
-
         [TestMethod]
         public void SyllableGenerator_NoGraphemes_StartingSyllableGenerationThrowsException()
         {