diff --git a/tests/introspection/ApiPInvokeTest.cs b/tests/introspection/ApiPInvokeTest.cs
index 1a54008d69..9fba4f0654 100644
--- a/tests/introspection/ApiPInvokeTest.cs
+++ b/tests/introspection/ApiPInvokeTest.cs
@@ -124,6 +124,13 @@ namespace Introspection
 
 		protected virtual bool Skip (string symbolName)
 		{
+			switch (symbolName) {
+			// it's not needed for ARM64/ARM64_32 and Apple does not have stubs for them in libobjc.dylib
+			// also the linker normally removes them (unreachable due to other optimizations)
+			case "objc_msgSend_stret":
+			case "objc_msgSendSuper_stret":
+				return true;
+			}
 			return false;
 		}
 
diff --git a/tests/introspection/Mac/MacApiPInvokeTest.cs b/tests/introspection/Mac/MacApiPInvokeTest.cs
index 5aa7fe2faa..5762ba5fe5 100644
--- a/tests/introspection/Mac/MacApiPInvokeTest.cs
+++ b/tests/introspection/Mac/MacApiPInvokeTest.cs
@@ -63,7 +63,7 @@ namespace Introspection {
 				case "SKTerminateForInvalidReceipt": // Only there for API compat
 					return !IsUnified;
 			}
-			return false;
+			return base.Skip (symbolName);
 		}
 
 		protected override bool SkipAssembly (Assembly a)
diff --git a/tests/introspection/iOS/iOSApiPInvokeTest.cs b/tests/introspection/iOS/iOSApiPInvokeTest.cs
index 2e06301977..1dd76864df 100644
--- a/tests/introspection/iOS/iOSApiPInvokeTest.cs
+++ b/tests/introspection/iOS/iOSApiPInvokeTest.cs
@@ -59,10 +59,6 @@ namespace Introspection {
 			case "CVPixelBufferGetIOSurface":
 			case "CVPixelBufferCreateWithIOSurface":
 				return simulator && !TestRuntime.CheckXcodeVersion (11, 0);
-			// it's not needed for ARM64/ARM64_32 and Apple does not have stubs for them in libobjc.dylib
-			case "objc_msgSend_stret":
-			case "objc_msgSendSuper_stret":
-				return !simulator;
 
 			default:
 				// MLCompute not available in simulator as of Xcode 12 beta 3