Index: tests/concurrency/unified_locking/locks.cfa
===================================================================
--- tests/concurrency/unified_locking/locks.cfa	(revision 50be8af55788ecaebbb85845d1e11234cd6a5cb6)
+++ tests/concurrency/unified_locking/locks.cfa	(revision 10b5970650e2ff3d8e757dd5c91889d466e44fe0)
@@ -23,5 +23,5 @@
 thread T_C_M_WS1 {};
 
-void main( T_C_M_WS1 & this ) {
+void main( T_C_M_WS1 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(m);
@@ -37,5 +37,5 @@
 thread T_C_M_WB1 {};
 
-void main( T_C_M_WB1 & this ) {
+void main( T_C_M_WB1 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(m);
@@ -51,5 +51,5 @@
 thread T_C_S_WS1 {};
 
-void main( T_C_S_WS1 & this ) {
+void main( T_C_S_WS1 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(s);
@@ -65,5 +65,5 @@
 thread T_C_S_WB1 {};
 
-void main( T_C_S_WB1 & this ) {
+void main( T_C_S_WB1 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(s);
@@ -79,5 +79,5 @@
 thread T_C_L_WS1 {};
 
-void main( T_C_L_WS1 & this ) {
+void main( T_C_L_WS1 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(l);
@@ -93,5 +93,5 @@
 thread T_C_L_WB1 {};
 
-void main( T_C_L_WB1 & this ) {
+void main( T_C_L_WB1 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(l);
@@ -107,5 +107,5 @@
 thread T_F_C_F_WS1 {};
 
-void main( T_F_C_F_WS1 & this ) {
+void main( T_F_C_F_WS1 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(f);
@@ -121,5 +121,5 @@
 thread T_C_O_WS1 {};
 
-void main( T_C_O_WS1 & this ) {
+void main( T_C_O_WS1 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(o);
@@ -135,5 +135,5 @@
 thread T_C_O_WB1 {};
 
-void main( T_C_O_WB1 & this ) {
+void main( T_C_O_WB1 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(o);
@@ -149,5 +149,5 @@
 thread T_C_M_WS2 {};
 
-void main( T_C_M_WS2 & this ) {
+void main( T_C_M_WS2 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(m);
@@ -167,5 +167,5 @@
 thread T_C_O_WS2 {};
 
-void main( T_C_O_WS2 & this ) {
+void main( T_C_O_WS2 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(o);
@@ -185,5 +185,5 @@
 thread T_C_NLW {};
 
-void main( T_C_NLW & this ) {
+void main( T_C_NLW & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		wait(c_o);
@@ -193,5 +193,5 @@
 thread T_C_NLS {};
 
-void main( T_C_NLS & this ) {
+void main( T_C_NLS & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		while (empty(c_o)) { }
@@ -202,5 +202,5 @@
 thread T_C_S_WNF {};
 
-void main( T_C_S_WNF & this ) {
+void main( T_C_S_WNF & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(s);
@@ -219,5 +219,5 @@
 thread T_C_NLWD {};
 
-void main( T_C_NLWD & this ) {
+void main( T_C_NLWD & ) {
 	done = false;
 	for (unsigned int i = 0; i < num_times/5; i++) {
@@ -230,5 +230,5 @@
 thread T_C_WDS {};
 
-void main( T_C_WDS & this ) {
+void main( T_C_WDS & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		while (empty(c_s) && !done) { }
@@ -241,5 +241,5 @@
 thread T_C_LWD {};
 
-void main( T_C_LWD & this ) {
+void main( T_C_LWD & ) {
 	done = false;
 	for (unsigned int i = 0; i < num_times/5; i++) {
@@ -254,5 +254,5 @@
 thread T_C_LWDS {};
 
-void main( T_C_LWDS & this ) {
+void main( T_C_LWDS & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		while (empty(c_s) && !done) { }
Index: tests/concurrency/unified_locking/pthread_locks.cfa
===================================================================
--- tests/concurrency/unified_locking/pthread_locks.cfa	(revision 50be8af55788ecaebbb85845d1e11234cd6a5cb6)
+++ tests/concurrency/unified_locking/pthread_locks.cfa	(revision 10b5970650e2ff3d8e757dd5c91889d466e44fe0)
@@ -18,5 +18,5 @@
 thread Wait_Signal_1 {};
 
-void main( Wait_Signal_1 & this ) {
+void main( Wait_Signal_1 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(l);
@@ -32,5 +32,5 @@
 thread Wait_3_Signal_3 {};
 
-void main( Wait_3_Signal_3 & this ) {
+void main( Wait_3_Signal_3 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(l);
@@ -48,5 +48,5 @@
 thread Rec_Lock_Wait_Signal_1 {};
 
-void main( Rec_Lock_Wait_Signal_1 & this ) {
+void main( Rec_Lock_Wait_Signal_1 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(l);
@@ -66,5 +66,5 @@
 thread Wait_Time_Signal_1 {};
 
-void main( Wait_Time_Signal_1 & this ) {
+void main( Wait_Time_Signal_1 & ) {
 	for (unsigned int i = 0; i < num_times; i++) {
 		lock(l);
@@ -74,4 +74,5 @@
 			timespec waitTime{0,1};
 			bool woken = wait(c,l, t + waitTime);
+			(void) woken;
 		}else{
 			notify_one(c);