Index: uspace/app/trace/ipcp.c
===================================================================
--- uspace/app/trace/ipcp.c	(revision 87822cef54e5abb65818d91148b7ff319d6292da)
+++ uspace/app/trace/ipcp.c	(revision b596d0d09d98dccf4c29d7a1e774447f21f4fc13)
@@ -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 87822cef54e5abb65818d91148b7ff319d6292da)
+++ uspace/app/trace/proto.c	(revision b596d0d09d98dccf4c29d7a1e774447f21f4fc13)
@@ -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,