diff --git a/util/nvramtool/reg_expr.h b/util/nvramtool/reg_expr.h
index 1b1657f..c93215b 100644
--- a/util/nvramtool/reg_expr.h
+++ b/util/nvramtool/reg_expr.h
@@ -34,8 +34,6 @@
 #include <regex.h>
 #include "common.h"
 
-void compile_reg_exprs(int cflags, int num_exprs,
-		       /* const char *expr1, regex_t *reg1, */ ...);
-void free_reg_exprs(int num_exprs, /* regex_t *reg1, */ ...);
+void compile_reg_expr(int cflags, const char *expr, regex_t *reg);
 
 #endif				/* REG_EXPR_H */