diff --git a/csharp/src/Microsoft.ML.OnnxRuntime/NativeMethods.shared.cs b/csharp/src/Microsoft.ML.OnnxRuntime/NativeMethods.shared.cs
index 5747cf9114..0b7f425ba5 100644
--- a/csharp/src/Microsoft.ML.OnnxRuntime/NativeMethods.shared.cs
+++ b/csharp/src/Microsoft.ML.OnnxRuntime/NativeMethods.shared.cs
@@ -821,7 +821,9 @@ namespace Microsoft.ML.OnnxRuntime
         // CoreML is available on iOS and macOS so we can't exclude based on __MOBILE__ && __IOS__
         [DllImport(NativeLib.DllName, CharSet = CharSet.Ansi)]
         public static extern IntPtr /*(OrtStatus*)*/ OrtSessionOptionsAppendExecutionProvider_CoreML(IntPtr /*(OrtSessionOptions*)*/ options, uint coreml_flags);
+#endif
 
+#if !__MOBILE__
         // on non-mobile platforms any of these EPs are possible
         [DllImport(NativeLib.DllName, CharSet = CharSet.Ansi)]
         public static extern IntPtr /*(OrtStatus*)*/ OrtSessionOptionsAppendExecutionProvider_Dnnl(IntPtr /*(OrtSessionOptions*) */ options, int use_arena);
@@ -1659,4 +1661,4 @@ namespace Microsoft.ML.OnnxRuntime
                 return System.Text.Encoding.UTF8.GetBytes(str + Char.MinValue);
         }
     } //class NativeMethods
-} //namespace
\ No newline at end of file
+} //namespace