Index: uspace/app/hbench/env.c
===================================================================
--- uspace/app/hbench/env.c	(revision b1f0a141d37cd3a919a708e87dbff0bd6527788e)
+++ uspace/app/hbench/env.c	(revision 8a5534603d4acb29a283b131f0fae041dc2ed0b2)
@@ -81,5 +81,5 @@
 }
 
-static hash_table_ops_t param_hash_table_ops = {
+static const hash_table_ops_t param_hash_table_ops = {
 	.hash = param_hash,
 	.key_hash = param_key_hash,
Index: uspace/app/trace/ipcp.c
===================================================================
--- uspace/app/trace/ipcp.c	(revision b1f0a141d37cd3a919a708e87dbff0bd6527788e)
+++ uspace/app/trace/ipcp.c	(revision 8a5534603d4acb29a283b131f0fae041dc2ed0b2)
@@ -92,5 +92,5 @@
 }
 
-static hash_table_ops_t pending_call_ops = {
+static const hash_table_ops_t pending_call_ops = {
 	.hash = pending_call_hash,
 	.key_hash = pending_call_key_hash,
Index: uspace/app/trace/proto.c
===================================================================
--- uspace/app/trace/proto.c	(revision b1f0a141d37cd3a919a708e87dbff0bd6527788e)
+++ uspace/app/trace/proto.c	(revision 8a5534603d4acb29a283b131f0fae041dc2ed0b2)
@@ -76,5 +76,5 @@
 }
 
-static hash_table_ops_t srv_proto_ops = {
+static const hash_table_ops_t srv_proto_ops = {
 	.hash = srv_proto_hash,
 	.key_hash = srv_proto_key_hash,
@@ -103,5 +103,5 @@
 }
 
-static hash_table_ops_t method_oper_ops = {
+static const hash_table_ops_t method_oper_ops = {
 	.hash = method_oper_hash,
 	.key_hash = method_oper_key_hash,