diff --git a/tccgen.c b/tccgen.c
index 1efbc1f..8aa86f3 100644
--- a/tccgen.c
+++ b/tccgen.c
@@ -81,7 +81,6 @@ static void block(int *bsym, int *csym, int is_expr);
 static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r, int has_init, int v, int scope);
 static int decl0(int l, int is_for_loop_init);
 static void expr_eq(void);
-static void expr_lor_const(void);
 static void unary_type(CType *type);
 static void vla_runtime_type_size(CType *type, int *a);
 static void vla_sp_restore(void);
@@ -4512,10 +4511,8 @@ ST_FUNC void unary(void)
             skip('(');
             expr_eq();
             skip(',');
-            nocode_wanted++;
-            expr_lor_const();
+            expr_eq();
             vpop();
-            nocode_wanted--;
             skip(')');
         }
         break;
@@ -4566,7 +4563,7 @@ ST_FUNC void unary(void)
             next();
             skip('(');
             nocode_wanted++;
-            gexpr();
+            expr_eq();
             res = (vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST;
             vpop();
             nocode_wanted--;
@@ -5056,26 +5053,6 @@ static void expr_or(void)
     }
 }
 
-/* XXX: fix this mess */
-static void expr_land_const(void)
-{
-    expr_or();
-    while (tok == TOK_LAND) {
-        next();
-        expr_or();
-        gen_op(TOK_LAND);
-    }
-}
-static void expr_lor_const(void)
-{
-    expr_land_const();
-    while (tok == TOK_LOR) {
-        next();
-        expr_land_const();
-        gen_op(TOK_LOR);
-    }
-}
-
 static void expr_land(void)
 {
     expr_or();