Index: tests/exceptions/cancel/coroutine.cfa
===================================================================
--- tests/exceptions/cancel/coroutine.cfa	(revision 3bf9d101e125e952f9abb0271db2208c769320f8)
+++ tests/exceptions/cancel/coroutine.cfa	(revision b05d79dfa93934939aadd307627a2beecfefb986)
@@ -9,9 +9,9 @@
 coroutine WillCancel {};
 
-const char * msg(CoroutineCancelled(WillCancel) * this) {
+const char * msg(CoroutineCancelled(WillCancel) *) {
 	return "CoroutineCancelled(WillCancel)";
 }
 
-void main(WillCancel & wc) {
+void main(WillCancel &) {
 	sout | '1';
 	cancel_stack((internal_error){&internal_vt});
@@ -19,5 +19,5 @@
 }
 
-int main(int argc, char * argv[]) {
+int main() {
 	sout | nlOff;
 	WillCancel cancel;
Index: tests/exceptions/cancel/thread.cfa
===================================================================
--- tests/exceptions/cancel/thread.cfa	(revision 3bf9d101e125e952f9abb0271db2208c769320f8)
+++ tests/exceptions/cancel/thread.cfa	(revision b05d79dfa93934939aadd307627a2beecfefb986)
@@ -9,5 +9,5 @@
 thread WillCancel {};
 
-const char * msg(ThreadCancelled(WillCancel) * this) {
+const char * msg(ThreadCancelled(WillCancel) *) {
 	return "ThreadCancelled(WillCancel)";
 }
@@ -52,5 +52,5 @@
 }
 
-int main(int argc, char * argv[]) {
+int main() {
 	sout | nlOff;
 	explicit();