diff --git a/assets/parser.c.erb b/assets/parser.c.erb
index 603ef74..9440bf3 100644
--- a/assets/parser.c.erb
+++ b/assets/parser.c.erb
@@ -622,25 +622,25 @@ typedef struct
 } state_value_t;
 
 /** Parser shift table. */
-static immutable shift_t[] parser_shift_table = [
+static const shift_t parser_shift_table[] = {
 <%   @parser.shift_table.each do |shift| %>
-    shift_t(<%= shift[:symbol_id] %>u, <%= shift[:state_id] %>u),
+    {<%= shift[:symbol_id] %>u, <%= shift[:state_id] %>u},
 <%   end %>
-];
+};
 
 /** Parser reduce table. */
-static immutable reduce_t[] parser_reduce_table = [
+static const reduce_t parser_reduce_table[] = {
 <%   @parser.reduce_table.each do |reduce| %>
-    reduce_t(<%= reduce[:token_id] %>u, <%= reduce[:rule_id] %>u, <%= reduce[:rule_set_id] %>u, <%= reduce[:n_states] %>u),
+    {<%= reduce[:token_id] %>u, <%= reduce[:rule_id] %>u, <%= reduce[:rule_set_id] %>u, <%= reduce[:n_states] %>u},
 <%   end %>
-];
+};
 
 /** Parser state table. */
-static immutable parser_state_t[] parser_state_table = [
+static const parser_state_t parser_state_table[] = {
 <%   @parser.state_table.each do |state| %>
-    parser_state_t(<%= state[:shift_index] %>u, <%= state[:n_shifts] %>u, <%= state[:reduce_index] %>u, <%= state[:n_reduces] %>u),
+    {<%= state[:shift_index] %>u, <%= state[:n_shifts] %>u, <%= state[:reduce_index] %>u, <%= state[:n_reduces] %>u},
 <%   end %>
-];
+};
 
 /* state_values stack functionality */