diff --git a/Cargo.lock b/Cargo.lock
index 0a19ba876..815d6d2ad 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -123,7 +123,6 @@ dependencies = [
  "num_enum",
  "once_cell",
  "percent-encoding-iri",
- "phf 0.11.1",
  "pin-project",
  "prettyplease 0.2.7",
  "prost",
diff --git a/rslib/Cargo.toml b/rslib/Cargo.toml
index 31f70cd23..e562cc6cd 100644
--- a/rslib/Cargo.toml
+++ b/rslib/Cargo.toml
@@ -80,7 +80,6 @@ nom = "7.1.3"
 num_cpus = "1.15.0"
 num_enum = "0.6.1"
 once_cell = "1.17.1"
-phf = "0.11.1"
 pin-project = "1.0.12"
 prost = "0.11.8"
 pulldown-cmark = "0.9.2"
diff --git a/rslib/rust_interface.rs b/rslib/rust_interface.rs
index 287c20a70..3ac9adaa8 100644
--- a/rslib/rust_interface.rs
+++ b/rslib/rust_interface.rs
@@ -25,7 +25,6 @@ pub fn write_rust_interface(pool: &DescriptorPool) -> Result<()> {
 
     render_top_level_run_method(&mut buf, &services, true);
     render_top_level_run_method(&mut buf, &services, false);
-    render_method_lookup(&mut buf, &services);
 
     // println!("{}", &buf);
     let buf = format_code(buf)?;
@@ -305,20 +304,3 @@ fn render_individual_service_run_method(buf: &mut String, service: &RustService,
 "#,
     );
 }
-
-fn render_method_lookup(buf: &mut String, services: &[RustService]) {
-    writeln!(
-        buf,
-        "
-pub const METHODS_BY_NAME: phf::Map<&str, (u32, u32)> = phf::phf_map! {{
-"
-    )
-    .unwrap();
-    for (sidx, service) in services.iter().enumerate() {
-        for (midx, method) in service.methods.iter().enumerate() {
-            let name = &method.name;
-            writeln!(buf, r#"    "{name}" => ({sidx}, {midx}),"#,).unwrap();
-        }
-    }
-    buf.push_str("};\n");
-}