diff --git a/cmake/ProtocolHelpers.cmake b/cmake/ProtocolHelpers.cmake
index 40617262..85e27741 100644
--- a/cmake/ProtocolHelpers.cmake
+++ b/cmake/ProtocolHelpers.cmake
@@ -54,7 +54,8 @@ function(ccbench_add_protocol name)
       -Werror=reorder
       -Werror=unused-parameter
       -Werror=catch-value
-      -Werror=unused-variable)
+      -Werror=unused-variable
+      -Werror=ignored-qualifiers)
 
     set_property(TARGET ${target} PROPERTY CCBENCH_PROTOCOL "${name}")
     set_property(TARGET ${target} PROPERTY CCBENCH_WORKLOAD "${wl}")
diff --git a/include/bomb.hh b/include/bomb.hh
index e7247a17..3c82bcd6 100644
--- a/include/bomb.hh
+++ b/include/bomb.hh
@@ -503,15 +503,15 @@ public:
       }
     };
 
-    static const uint32_t get_i_id_product_start() {
+    static uint32_t get_i_id_product_start() {
       return 1;
     }
 
-    static const uint32_t get_i_id_material_start() {
+    static uint32_t get_i_id_material_start() {
       return get_i_id_product_start() + FLAGS_bomb_product_size;
     }
 
-    static const uint32_t get_i_id_work_start() {
+    static uint32_t get_i_id_work_start() {
       return get_i_id_material_start() + FLAGS_bomb_material_size;
     }
 
diff --git a/include/bomb_pessimistic.hh b/include/bomb_pessimistic.hh
index f2983414..3fcdcd87 100644
--- a/include/bomb_pessimistic.hh
+++ b/include/bomb_pessimistic.hh
@@ -537,15 +537,15 @@ public:
       }
     };
 
-    static const uint32_t get_i_id_product_start() {
+    static uint32_t get_i_id_product_start() {
       return 1;
     }
 
-    static const uint32_t get_i_id_material_start() {
+    static uint32_t get_i_id_material_start() {
       return get_i_id_product_start() + FLAGS_bomb_product_size;
     }
 
-    static const uint32_t get_i_id_work_start() {
+    static uint32_t get_i_id_work_start() {
       return get_i_id_material_start() + FLAGS_bomb_material_size;
     }