internal: use API stabilized in 1.52

1 files changed, 1 insertions, 2 deletions

diff --git a/crates/project_model/src/cfg_flag.rs b/crates/project_model/src/cfg_flag.rs
index e92962cf6..bfdfd458f 100644
--- a/crates/project_model/src/cfg_flag.rs
+++ b/crates/project_model/src/cfg_flag.rs
@@ -4,7 +4,6 @@
 use std::str::FromStr;
 
 use cfg::CfgOptions;
-use stdx::split_once;
 
 #[derive(Clone, Eq, PartialEq, Debug)]
 pub enum CfgFlag {
@@ -15,7 +14,7 @@ pub enum CfgFlag {
 impl FromStr for CfgFlag {
     type Err = String;
     fn from_str(s: &str) -> Result<Self, Self::Err> {
-        let res = match split_once(s, '=') {
+        let res = match s.split_once('=') {
             Some((key, value)) => {
                 if !(value.starts_with('"') && value.ends_with('"')) {
                     return Err(format!("Invalid cfg ({:?}), value should be in quotes", s));