diff --git a/ets2panda/test/ast/compiler/ets/extension_function_tests/extension_function_called_by_class.ets b/ets2panda/test/ast/compiler/ets/extension_function_tests/extension_function_called_by_class.ets
index fb813f1d3110289c1581766bc3c9c27474136d26..1118144045e273ab150c2c9d2f9ecdd7da794424 100644
--- a/ets2panda/test/ast/compiler/ets/extension_function_tests/extension_function_called_by_class.ets
+++ b/ets2panda/test/ast/compiler/ets/extension_function_tests/extension_function_called_by_class.ets
@@ -27,12 +27,5 @@ function main() {
     console.println(A./* @@ label */price(1));
 }
 
-/* @@? 27:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Boolean): void` */
-/* @@? 27:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Byte): void` */
-/* @@? 27:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Short): void` */
-/* @@? 27:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Char): void` */
-/* @@? 27:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Int): void` */
-/* @@? 27:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Long): void` */
-/* @@? 27:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Float): void` */
-/* @@? 27:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Double): void` */
+/* @@? 27:5 Error TypeError: No matching call signature for println(...) */
 /* @@@ label Error TypeError: Property 'price' does not exist on type 'A' */
diff --git a/ets2panda/test/ast/compiler/ets/extension_function_tests/extension_function_duplicated_with_private_field.ets b/ets2panda/test/ast/compiler/ets/extension_function_tests/extension_function_duplicated_with_private_field.ets
index ab7af4dedc648f10e40eeb7470aa87f5893db382..1a21dcf71389821c69ae623b9b066b5a0bdba6ee 100644
--- a/ets2panda/test/ast/compiler/ets/extension_function_tests/extension_function_duplicated_with_private_field.ets
+++ b/ets2panda/test/ast/compiler/ets/extension_function_tests/extension_function_duplicated_with_private_field.ets
@@ -28,12 +28,5 @@ function main() {
     console.println(/* @@label */banana.name(2));
 }
 
-/* @@? 28:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Boolean): void` */
-/* @@? 28:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Byte): void` */
-/* @@? 28:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Short): void` */
-/* @@? 28:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Char): void` */
-/* @@? 28:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Int): void` */
-/* @@? 28:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Long): void` */
-/* @@? 28:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Float): void` */
-/* @@? 28:5 Error TypeError: Call to `println` is ambiguous as `2` versions of `println` are available: `println(i: String): void` and `println(i: Double): void` */
+/* @@? 28:5 Error TypeError: No matching call signature for println(...) */
 /* @@? 28:34 Error TypeError: No matching call signature for name(Int) */