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-rw-r--r--scripts/kconfig/expr.c29
-rw-r--r--scripts/kconfig/expr.h1
-rw-r--r--scripts/kconfig/menu.c2
3 files changed, 0 insertions, 32 deletions
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index 4d95fce5f9a7..fcc190b67b6f 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -397,35 +397,6 @@ static struct expr *expr_eliminate_yn(struct expr *e)
}
/*
- * bool FOO!=n => FOO
- */
-struct expr *expr_trans_bool(struct expr *e)
-{
- if (!e)
- return NULL;
- switch (e->type) {
- case E_AND:
- case E_OR:
- case E_NOT:
- e->left.expr = expr_trans_bool(e->left.expr);
- e->right.expr = expr_trans_bool(e->right.expr);
- break;
- case E_UNEQUAL:
- // FOO!=n -> FOO
- if (e->left.sym->type == S_TRISTATE) {
- if (e->right.sym == &symbol_no) {
- e->type = E_SYMBOL;
- e->right.sym = NULL;
- }
- }
- break;
- default:
- ;
- }
- return e;
-}
-
-/*
* e1 || e2 -> ?
*/
static struct expr *expr_join_or(struct expr *e1, struct expr *e2)
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index fa50fc45622e..7c0c242318bc 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -284,7 +284,6 @@ void expr_free(struct expr *e);
void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
int expr_eq(struct expr *e1, struct expr *e2);
tristate expr_calc_value(struct expr *e);
-struct expr *expr_trans_bool(struct expr *e);
struct expr *expr_eliminate_dups(struct expr *e);
struct expr *expr_transform(struct expr *e);
int expr_contains_symbol(struct expr *dep, struct symbol *sym);
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 53151c5a6028..eef9b63cdf11 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -398,8 +398,6 @@ static void _menu_finalize(struct menu *parent, bool inside_choice)
dep = expr_transform(dep);
dep = expr_alloc_and(expr_copy(basedep), dep);
dep = expr_eliminate_dups(dep);
- if (menu->sym && menu->sym->type != S_TRISTATE)
- dep = expr_trans_bool(dep);
prop->visible.expr = dep;
/*