diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs
index 346d63b1bffff..c3830f7d309ab 100644
--- a/src/tools/run-make-support/src/lib.rs
+++ b/src/tools/run-make-support/src/lib.rs
@@ -3,8 +3,6 @@ use std::path::{Path, PathBuf};
 use std::process::{Command, Output};
 
 pub use object;
-// mod rustdoc;
-// pub use rustdoc::rustdoc;
 pub use wasmparser;
 
 pub fn add_host_rpath_env(cmd: &mut Command) {
diff --git a/src/tools/run-make-support/src/rustdoc.rs b/src/tools/run-make-support/src/rustdoc.rs
deleted file mode 100644
index 7c7886a6bd42f..0000000000000
--- a/src/tools/run-make-support/src/rustdoc.rs
+++ /dev/null
@@ -1,97 +0,0 @@
-use std::env;
-use std::path::Path;
-use std::process::{Command, Output};
-
-use crate::{add_host_rpath_env, handle_failed_output};
-
-pub fn rustdoc() -> Rustdoc {
-    Rustdoc::new()
-}
-
-#[derive(Debug)]
-pub struct Rustdoc {
-    cmd: Command,
-}
-
-impl Rustdoc {
-    fn new() -> Self {
-        let cmd = setup_common_rustdoc_build_cmd();
-        Self { cmd }
-    }
-
-    pub fn arg(&mut self, arg: &str) -> &mut Rustdoc {
-        self.cmd.arg(arg);
-        self
-    }
-
-    pub fn arg_file<P: AsRef<Path>>(&mut self, arg: P) -> &mut Rustdoc {
-        self.cmd.arg(arg.as_ref());
-        self
-    }
-
-    pub fn env(&mut self, key: &str, value: &str) -> &mut Rustdoc {
-        self.cmd.env(key, value);
-        self
-    }
-
-    #[track_caller]
-    pub fn run(&mut self) -> Output {
-        let caller_location = std::panic::Location::caller();
-        let caller_line_number = caller_location.line();
-
-        let output = self.cmd.output().unwrap();
-        if !output.status.success() {
-            handle_failed_output(&format!("{:#?}", self.cmd), output, caller_line_number);
-        }
-        output
-    }
-
-    #[track_caller]
-    pub fn run_fail(&mut self) -> Output {
-        let caller_location = std::panic::Location::caller();
-        let caller_line_number = caller_location.line();
-
-        let output = self.cmd.output().unwrap();
-        if output.status.success() {
-            handle_failed_output(&format!("{:#?}", self.cmd), output, caller_line_number);
-        }
-        output
-    }
-
-    #[track_caller]
-    pub fn run_fail_assert_exit_code(&mut self, code: i32) -> Output {
-        let caller_location = std::panic::Location::caller();
-        let caller_line_number = caller_location.line();
-
-        let output = self.cmd.output().unwrap();
-        if output.status.code().unwrap() != code {
-            handle_failed_output(&format!("{:#?}", self.cmd), output, caller_line_number);
-        }
-        output
-    }
-}
-
-fn setup_common_rustdoc_build_cmd() -> Command {
-    use std::env::VarError;
-
-    let rustdoc = env::var("RUSTDOC").unwrap();
-    let target_rpath_dir = env::var("TARGET_RPATH_DIR").unwrap();
-
-    let mut cmd = Command::new(rustdoc);
-
-    add_host_rpath_env(&mut cmd);
-
-    cmd.arg("-L").arg(target_rpath_dir);
-
-    match std::env::var("RUSTC_LINKER") {
-        Ok(rustc_linker) => {
-            cmd.arg(&format!("-Clinker='{rustc_linker}'"));
-        }
-        Err(VarError::NotPresent) => {}
-        Err(VarError::NotUnicode(s)) => {
-            panic!("RUSTC_LINKER was found, but set to non-unicode string {s:?}");
-        }
-    }
-
-    cmd
-}