diff --git a/rust/extractor/src/archive.rs b/rust/extractor/src/archive.rs
index cc1587ca957..248c0e85d9d 100644
--- a/rust/extractor/src/archive.rs
+++ b/rust/extractor/src/archive.rs
@@ -1,4 +1,4 @@
-use crate::path;
+use codeql_extractor::file_paths;
 use log::{debug, warn};
 use std::fs;
 use std::path::{Path, PathBuf};
@@ -15,12 +15,11 @@ impl Archiver {
     }
 
     fn try_archive(&self, source: &Path) -> std::io::Result<()> {
-        let mut dest = self.root.clone();
-        dest.push(path::key(source));
-        let parent = dest.parent().unwrap();
+        let dest = file_paths::path_for(&self.root, source, "");
         if fs::metadata(&dest).is_ok() {
             return Ok(());
         }
+        let parent = dest.parent().unwrap();
         fs::create_dir_all(parent)?;
         fs::copy(source, dest)?;
         debug!("archived {}", source.display());
diff --git a/rust/extractor/src/main.rs b/rust/extractor/src/main.rs
index 8d1bcc98ab6..f1ddbdf4894 100644
--- a/rust/extractor/src/main.rs
+++ b/rust/extractor/src/main.rs
@@ -11,7 +11,6 @@ use std::path::PathBuf;
 mod archive;
 mod config;
 pub mod generated;
-pub mod path;
 mod translate;
 pub mod trap;
 
diff --git a/rust/extractor/src/path.rs b/rust/extractor/src/path.rs
deleted file mode 100644
index 0da1cb2932f..00000000000
--- a/rust/extractor/src/path.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-use std::fs::canonicalize;
-use std::path::{absolute, Path, PathBuf};
-
-pub fn key(p: &Path) -> PathBuf {
-    let normalized = canonicalize(p)
-        .or_else(|_| absolute(p))
-        .unwrap_or_else(|_| p.into());
-    let root = normalized.ancestors().last().unwrap(); // ancestors always yields at least one
-    normalized.strip_prefix(root).unwrap().into() // stripping an ancestor always works
-}
diff --git a/rust/extractor/src/trap.rs b/rust/extractor/src/trap.rs
index f01aaebe5a8..6ad1742557d 100644
--- a/rust/extractor/src/trap.rs
+++ b/rust/extractor/src/trap.rs
@@ -1,9 +1,8 @@
+use crate::config;
 use crate::config::Compression;
-use crate::{config, path};
-use codeql_extractor::{extractor, trap};
+use codeql_extractor::{extractor, file_paths, trap};
 use log::debug;
 use ra_ap_ide_db::line_index::LineCol;
-use std::ffi::OsString;
 use std::fmt::Debug;
 use std::hash::Hash;
 use std::marker::PhantomData;
@@ -12,7 +11,6 @@ use std::path::{Path, PathBuf};
 pub use trap::Label as UntypedLabel;
 pub use trap::Writer;
 
-//TODO: typed labels
 pub trait AsTrapKeyPart {
     fn as_key_part(&self) -> String;
 }
@@ -210,19 +208,8 @@ impl TrapFileProvider {
     }
 
     pub fn create(&self, category: &str, key: &Path) -> TrapFile {
-        let mut path = PathBuf::from(category);
-        path.push(path::key(key));
-        path.set_extension(
-            path.extension()
-                .map(|e| {
-                    let mut o: OsString = e.to_owned();
-                    o.push(".trap");
-                    o
-                })
-                .unwrap_or("trap".into()),
-        );
+        let path = file_paths::path_for(&self.trap_dir.join(category), key, ".trap");
         debug!("creating trap file {}", path.display());
-        path = self.trap_dir.join(path);
         let mut writer = trap::Writer::new();
         extractor::populate_empty_location(&mut writer);
         TrapFile {
diff --git a/rust/lint.py b/rust/lint.py
index eb71cbd0b3d..3a231c157df 100755
--- a/rust/lint.py
+++ b/rust/lint.py
@@ -12,7 +12,7 @@ assert cargo, "no cargo binary found on `PATH`"
 
 fmt = subprocess.run([cargo, "fmt", "--all", "--quiet"], cwd=this_dir)
 for manifest in this_dir.rglob("Cargo.toml"):
-    if not manifest.is_relative_to(this_dir / "ql"):
+    if not manifest.is_relative_to(this_dir / "ql") and not manifest.is_relative_to(this_dir / "integration-tests"):
         clippy = subprocess.run([cargo, "clippy", "--fix", "--allow-dirty", "--allow-staged", "--quiet"],
                                 cwd=manifest.parent)
 sys.exit(fmt.returncode or clippy.returncode)