diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index ba322147d..0da1851df 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -72,14 +72,3 @@ The `simulator` directory contains a deterministic simulator for testing.
 What this means is that the behavior of a test run is deterministic based on the seed value.
 If the simulator catches a bug, you can always reproduce the exact same sequence of events by passing the same seed.
 The simulator also performs fault injection to discover interesting bugs.
-
-## Building perf/latency
-
-In order to build the perf/latency which simulates the multitenancy usage of Limbo, you will need to use the nightly compiler of Rust because it uses experimental features.
-
-```
-rustup toolchain install nightly
-cd perf/latency/limbo
-cargo +nightly build
-```
-
diff --git a/perf/latency/limbo/rust-toolchain b/perf/latency/limbo/rust-toolchain
new file mode 100644
index 000000000..bc6c9960d
--- /dev/null
+++ b/perf/latency/limbo/rust-toolchain
@@ -0,0 +1 @@
+nightly-2024-07-21