diff --git a/tests/functional/codegen/modules/test_interface_imports.py b/tests/functional/codegen/modules/test_interface_imports.py
index 3f0f8cb010..6f7905e8bd 100644
--- a/tests/functional/codegen/modules/test_interface_imports.py
+++ b/tests/functional/codegen/modules/test_interface_imports.py
@@ -67,8 +67,9 @@ def test_import_interface_flags(make_input_bundle, get_contract):
     MOO
     POO
 
-interface IFoo:
-    def foo() -> Foo: nonpayable
+@nonpayable
+def foo() -> Foo:
+    ...
     """
 
     contract = """
diff --git a/tests/functional/codegen/test_interfaces.py b/tests/functional/codegen/test_interfaces.py
index 8887bf07cb..ce1647a353 100644
--- a/tests/functional/codegen/test_interfaces.py
+++ b/tests/functional/codegen/test_interfaces.py
@@ -136,6 +136,9 @@ def test_log_interface_event(make_input_bundle, assert_compile_failed):
     interface_code = """
 event Foo:
     a: uint256
+
+def bar() -> uint256:
+    ...
     """
 
     input_bundle = make_input_bundle({"a.vyi": interface_code})
diff --git a/tests/unit/compiler/test_abi.py b/tests/unit/compiler/test_abi.py
index 430cd75344..a781e48f49 100644
--- a/tests/unit/compiler/test_abi.py
+++ b/tests/unit/compiler/test_abi.py
@@ -458,6 +458,10 @@ def bar():
 def test_event_no_export_implements(make_input_bundle):
     # test events are not exported even if they are in implemented interface
     ifoo = """
+@external
+def foo():
+    ...
+
 event MyEvent:
     pass
     """
@@ -465,12 +469,16 @@ def test_event_no_export_implements(make_input_bundle):
 import ifoo
 
 implements: ifoo
+
+@external
+def foo():
+    pass
     """
     input_bundle = make_input_bundle({"ifoo.vyi": ifoo})
     out = compile_code(main, input_bundle=input_bundle, output_formats=["abi"])
-    expected = {"abi": []}
 
-    assert out == expected
+    assert len(out["abi"]) == 1
+    assert out["abi"][0]["name"] == "foo"
 
 
 def test_event_export_interface(make_input_bundle):