diff --git a/pkg/vm/testcases/transformations/type_flow/transformer/regress_flutter16182.dart.expect b/pkg/vm/testcases/transformations/type_flow/transformer/regress_flutter16182.dart.expect
index 9b6b0d9150e..4adba0a00a8 100644
--- a/pkg/vm/testcases/transformations/type_flow/transformer/regress_flutter16182.dart.expect
+++ b/pkg/vm/testcases/transformations/type_flow/transformer/regress_flutter16182.dart.expect
@@ -19,7 +19,7 @@ class A1 extends core::Object {
   synthetic constructor •() → self::A1
     : super core::Object::•()
     ;
-[@vm.procedure-attributes.metadata=getterCalledDynamically:false,hasThisUses:false,hasTearOffUses:false,methodOrSetterSelectorId:5,getterSelectorId:6]  method call([dynamic a1 = #C1, dynamic a2 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a3 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a4 = #C1, [@vm.inferred-type.metadata=#lib::T1?] dynamic a5 = #C1]) → void {
+[@vm.procedure-attributes.metadata=getterCalledDynamically:false,hasThisUses:false,hasTearOffUses:false,methodOrSetterSelectorId:5,getterSelectorId:6]  method call([[@vm.inferred-type.metadata=dart.core::_Smi (value: 1)] dynamic a1 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 2)] dynamic a2 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 3)] dynamic a3 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 4)] dynamic a4 = #C1, [@vm.inferred-type.metadata=#lib::T1] dynamic a5 = #C1]) → void {
     [@vm.direct-call.metadata=#lib::A1.foo] [@vm.inferred-type.metadata=!? (skip check)] this.{self::A1::foo} = _in::unsafeCast<self::T1?>(a5);
   }
 }
@@ -42,7 +42,7 @@ class A2 extends core::Object {
   synthetic constructor •() → self::A2
     : super core::Object::•()
     ;
-[@vm.procedure-attributes.metadata=getterCalledDynamically:false,hasThisUses:false,hasTearOffUses:false,methodOrSetterSelectorId:13,getterSelectorId:14]  method call([dynamic a1 = #C1, dynamic a2 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a3 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a4 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a5 = #C1, [@vm.inferred-type.metadata=#lib::T2?] dynamic a6 = #C1]) → void {
+[@vm.procedure-attributes.metadata=getterCalledDynamically:false,hasThisUses:false,hasTearOffUses:false,methodOrSetterSelectorId:13,getterSelectorId:14]  method call([[@vm.inferred-type.metadata=dart.core::_Smi (value: 1)] dynamic a1 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 2)] dynamic a2 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 3)] dynamic a3 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 4)] dynamic a4 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 5)] dynamic a5 = #C1, [@vm.inferred-type.metadata=#lib::T2] dynamic a6 = #C1]) → void {
     [@vm.direct-call.metadata=#lib::A2.foo] [@vm.inferred-type.metadata=!? (skip check)] this.{self::A2::foo} = a6;
   }
 }
@@ -75,7 +75,7 @@ class A3 extends core::Object {
   synthetic constructor •() → self::A3
     : super core::Object::•()
     ;
-[@vm.procedure-attributes.metadata=getterCalledDynamically:false,hasThisUses:false,hasTearOffUses:false,methodOrSetterSelectorId:24,getterSelectorId:25]  method call([dynamic a1 = #C1, dynamic a2 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a3 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a4 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a5 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a6 = #C1, [@vm.inferred-type.metadata=#lib::T3?] dynamic a7 = #C1]) → void {
+[@vm.procedure-attributes.metadata=getterCalledDynamically:false,hasThisUses:false,hasTearOffUses:false,methodOrSetterSelectorId:24,getterSelectorId:25]  method call([[@vm.inferred-type.metadata=dart.core::_Smi (value: 1)] dynamic a1 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 2)] dynamic a2 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 3)] dynamic a3 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 4)] dynamic a4 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 5)] dynamic a5 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 6)] dynamic a6 = #C1, [@vm.inferred-type.metadata=#lib::T3] dynamic a7 = #C1]) → void {
     [@vm.direct-call.metadata=#lib::A3.foo] [@vm.inferred-type.metadata=!? (skip check)] this.{self::A3::foo} = a7;
   }
 }
@@ -98,7 +98,7 @@ class A4 extends core::Object {
   synthetic constructor •() → self::A4
     : super core::Object::•()
     ;
-[@vm.procedure-attributes.metadata=getterCalledDynamically:false,hasThisUses:false,hasTearOffUses:false,methodOrSetterSelectorId:32,getterSelectorId:33]  method call([dynamic a1 = #C1, dynamic a2 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a3 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a4 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a5 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a6 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi?] dynamic a7 = #C1, [@vm.inferred-type.metadata=#lib::T4?] dynamic a8 = #C1]) → void {
+[@vm.procedure-attributes.metadata=getterCalledDynamically:false,hasThisUses:false,hasTearOffUses:false,methodOrSetterSelectorId:32,getterSelectorId:33]  method call([[@vm.inferred-type.metadata=dart.core::_Smi (value: 1)] dynamic a1 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 2)] dynamic a2 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 3)] dynamic a3 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 4)] dynamic a4 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 5)] dynamic a5 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 6)] dynamic a6 = #C1, [@vm.inferred-type.metadata=dart.core::_Smi (value: 7)] dynamic a7 = #C1, [@vm.inferred-type.metadata=#lib::T4] dynamic a8 = #C1]) → void {
     [@vm.direct-call.metadata=#lib::A4.foo] [@vm.inferred-type.metadata=!? (skip check)] this.{self::A4::foo} = a8;
   }
 }
diff --git a/sdk/lib/_internal/vm/lib/errors_patch.dart b/sdk/lib/_internal/vm/lib/errors_patch.dart
index cf11d3eafca..3e1baffe8c3 100644
--- a/sdk/lib/_internal/vm/lib/errors_patch.dart
+++ b/sdk/lib/_internal/vm/lib/errors_patch.dart
@@ -59,10 +59,10 @@ class _AssertionError extends Error implements AssertionError {
       return condition;
     }
     if (condition is _Closure) {
-      return (condition as dynamic)();
+      return (condition as dynamic Function())();
     }
     if (condition is Function) {
-      condition = condition();
+      condition = (condition as dynamic Function())();
     }
     return condition;
   }
diff --git a/sdk/lib/_internal/vm/lib/isolate_patch.dart b/sdk/lib/_internal/vm/lib/isolate_patch.dart
index 34829c833fa..30c3225756b 100644
--- a/sdk/lib/_internal/vm/lib/isolate_patch.dart
+++ b/sdk/lib/_internal/vm/lib/isolate_patch.dart
@@ -190,7 +190,7 @@ class _RawReceivePortImpl implements RawReceivePort {
     // TODO(floitsch): this relies on the fact that any exception aborts the
     // VM. Once we have non-fatal global exceptions we need to catch errors
     // so that we can run the immediate callbacks.
-    handler(message);
+    (handler as Function)(message);
     _runPendingImmediateCallback();
     return handler;
   }
@@ -291,9 +291,9 @@ void _delayEntrypointInvocation(Function entryPoint, List<String>? args,
     port.close();
     if (allowZeroOneOrTwoArgs) {
       if (entryPoint is _BinaryFunction) {
-        (entryPoint as dynamic)(args, message);
+        (entryPoint as Function)(args, message);
       } else if (entryPoint is _UnaryFunction) {
-        (entryPoint as dynamic)(args);
+        (entryPoint as Function)(args);
       } else {
         entryPoint();
       }
diff --git a/tests/language/vm/no_such_method_error_message_callable_vm_test.dart b/tests/language/vm/no_such_method_error_message_callable_vm_test.dart
index a7d5ed9bf9a..87b67fd45f0 100644
--- a/tests/language/vm/no_such_method_error_message_callable_vm_test.dart
+++ b/tests/language/vm/no_such_method_error_message_callable_vm_test.dart
@@ -27,9 +27,7 @@ testMessageCall() {
   try {
     call_with_bar(new Callable());
   } catch (e) {
-    final noMatchingArgs =
-        "has no instance method 'call' with matching arguments";
-    Expect.isTrue(e.toString().contains(noMatchingArgs));
+    Expect.isTrue(e.toString().contains("has no instance method 'call'"));
   }
 }
 
diff --git a/tests/language_2/vm/no_such_method_error_message_callable_vm_test.dart b/tests/language_2/vm/no_such_method_error_message_callable_vm_test.dart
index 063b47c5b16..aedb1afd91e 100644
--- a/tests/language_2/vm/no_such_method_error_message_callable_vm_test.dart
+++ b/tests/language_2/vm/no_such_method_error_message_callable_vm_test.dart
@@ -29,9 +29,7 @@ testMessageCall() {
   try {
     call_with_bar(new Callable());
   } catch (e) {
-    final noMatchingArgs =
-        "has no instance method 'call' with matching arguments";
-    Expect.isTrue(e.toString().contains(noMatchingArgs));
+    Expect.isTrue(e.toString().contains("has no instance method 'call'"));
   }
 }