diff --git a/crates/rust-analyzer/tests/slow-tests/main.rs b/crates/rust-analyzer/tests/slow-tests/main.rs
index c46d7c432a2d..3fe3b9ae8541 100644
--- a/crates/rust-analyzer/tests/slow-tests/main.rs
+++ b/crates/rust-analyzer/tests/slow-tests/main.rs
@@ -60,9 +60,6 @@ use std::collections::Spam;
     )
     .with_config(serde_json::json!({
         "cargo": { "sysroot": "discover" },
-        "procMacro": {
-            "enable": false,
-        }
     }))
     .server()
     .wait_until_workspace_is_loaded();
@@ -616,9 +613,6 @@ fn main() {{}}
     ))
     .with_config(serde_json::json!({
         "cargo": { "sysroot": "discover" },
-        "procMacro": {
-            "enable": false,
-        }
     }))
     .server()
     .wait_until_workspace_is_loaded();
diff --git a/crates/rust-analyzer/tests/slow-tests/support.rs b/crates/rust-analyzer/tests/slow-tests/support.rs
index 037fc89ace09..8600fbc3fb0f 100644
--- a/crates/rust-analyzer/tests/slow-tests/support.rs
+++ b/crates/rust-analyzer/tests/slow-tests/support.rs
@@ -37,8 +37,12 @@ impl<'a> Project<'a> {
                     "sysroot": null,
                     // Can't use test binary as rustc wrapper.
                     "buildScripts": {
-                        "useRustcWrapper": false
+                        "useRustcWrapper": false,
+                        "enable": false,
                     },
+                },
+                "procMacro": {
+                    "enable": false,
                 }
             }),
         }