diff --git a/src/CommonLib/Cache.cs b/src/CommonLib/Cache.cs
index deaa23ea..4f1fd57b 100644
--- a/src/CommonLib/Cache.cs
+++ b/src/CommonLib/Cache.cs
@@ -166,22 +166,6 @@ public static void SetCacheInstance(Cache cache)
             CreateMissingDictionaries();
         }
 
-        public static bool CacheNeedsInvalidation(Cache cache, Version version)
-        {
-            var threshold = DateTime.Now.Subtract(TimeSpan.FromDays(30));
-            if (cache.CacheCreationDate < threshold)
-            {
-                return true;
-            }
-
-            if (cache.CacheCreationVersion == null || version > cache.CacheCreationVersion)
-            {
-                return true;
-            }
-
-            return false;
-        }
-
         /// <summary>
         ///     Gets stats from the currently loaded cache
         /// </summary>
diff --git a/test/unit/CacheTest.cs b/test/unit/CacheTest.cs
index 87e2f0be..a4d04037 100644
--- a/test/unit/CacheTest.cs
+++ b/test/unit/CacheTest.cs
@@ -13,23 +13,6 @@ public CacheTest(ITestOutputHelper testOutputHelper)
         {
             _testOutputHelper = testOutputHelper;
         }
-        
-        [Fact]
-        public void Cache_TestCacheInvalidation()
-        {
-            var cache = Cache.CreateNewCache();
-            var version = new Version(1, 0, 0);
-            cache.CacheCreationVersion = version;
-            
-            Assert.True(Cache.CacheNeedsInvalidation(cache, new Version(1,0,1)));
-            Assert.False(Cache.CacheNeedsInvalidation(cache, new Version(1,0,0)));
-
-            var time = DateTime.Now.Subtract(TimeSpan.FromDays(29));
-            cache.CacheCreationDate = time;
-            Assert.False(Cache.CacheNeedsInvalidation(cache, version));
-            cache.CacheCreationDate = DateTime.Now.Subtract(TimeSpan.FromDays(31));
-            Assert.True(Cache.CacheNeedsInvalidation(cache, version));
-        }
 
         [Fact]
         public void Cache_TestNewCache()
@@ -42,14 +25,5 @@ public void Cache_TestNewCache()
             Assert.Equal(cache.CacheCreationVersion, version);
             Assert.Equal(cache.CacheCreationDate, time);
         }
-
-        [Fact]
-        public void Cache_OldCacheWillInvalidate()
-        {
-            const string json = "{\"GlobalCatalogCache\": {}, \"IdToTypeCache\": {}, \"MachineSidCache\": {}, \"SIDToDomainCache\": {}, \"ValueToIdCache\": {}}";
-            var cache = JsonConvert.DeserializeObject<Cache>(json);
-            Assert.Null(cache.CacheCreationVersion);
-            Assert.True(Cache.CacheNeedsInvalidation(cache, new Version(1,0,0)));
-        }
     }
 }