diff --git a/src/NzbDrone.Core/HealthCheck/Checks/MonoTlsCheck.cs b/src/NzbDrone.Core/HealthCheck/Checks/MonoTlsCheck.cs
index 8389248b8..a3e6c67d3 100644
--- a/src/NzbDrone.Core/HealthCheck/Checks/MonoTlsCheck.cs
+++ b/src/NzbDrone.Core/HealthCheck/Checks/MonoTlsCheck.cs
@@ -28,42 +28,14 @@ namespace NzbDrone.Core.HealthCheck.Checks
 
             if (monoVersion >= new Version("5.0.0") && Environment.GetEnvironmentVariable("MONO_TLS_PROVIDER") == "legacy")
             {
-                _logger.Debug("Mono version 5.0.0 or higher and legacy TLS provider is selected, recommending user to switch to btls.");
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, "Sonarr now supports Mono 5.x with btls enabled, consider removing MONO_TLS_PROVIDER=legacy option");
+                // Mono 5.0 still has issues in combination with libmediainfo, so disabling this check for now.
+                //_logger.Debug("Mono version 5.0.0 or higher and legacy TLS provider is selected, recommending user to switch to btls.");
+                //return new HealthCheck(GetType(), HealthCheckResult.Warning, "Sonarr now supports Mono 5.x with btls enabled, consider removing MONO_TLS_PROVIDER=legacy option");
             }
 
             return new HealthCheck(GetType());
         }
 
         public override bool CheckOnSchedule => false;
-
-        private bool HasMonoBug18599()
-        {
-            _logger.Debug("mono version 3.4.0, checking for mono bug #18599.");
-            var numberFormatterType = Type.GetType("System.NumberFormatter");
-
-            if (numberFormatterType == null)
-            {
-                _logger.Debug("Couldn't find System.NumberFormatter. Aborting test.");
-                return false;
-            }
-
-            var fieldInfo = numberFormatterType.GetField("userFormatProvider",
-                BindingFlags.Static | BindingFlags.NonPublic);
-
-            if (fieldInfo == null)
-            {
-                _logger.Debug("userFormatProvider field not found, version likely preceeds the official v3.4.0.");
-                return false;
-            }
-
-            if (fieldInfo.GetCustomAttributes(false).Any(v => v is ThreadStaticAttribute))
-            {
-                _logger.Debug("userFormatProvider field doesn't contain the ThreadStatic Attribute, version is affected by the critical bug #18599.");
-                return true;
-            }
-
-            return false;
-        }
     }
 }