diff --git a/src/tools/rust-analyzer/crates/ide/Cargo.toml b/src/tools/rust-analyzer/crates/ide/Cargo.toml
index 006fd222c61..aca7d613e11 100644
--- a/src/tools/rust-analyzer/crates/ide/Cargo.toml
+++ b/src/tools/rust-analyzer/crates/ide/Cargo.toml
@@ -51,5 +51,8 @@ expect-test = "1.4.0"
 test-utils.workspace = true
 test-fixture.workspace = true
 
+[features]
+in-rust-tree = []
+
 [lints]
 workspace = true