diff --git a/lib/src/paths.rs b/lib/src/paths.rs
index 7d7e69e2..a08a8e4b 100644
--- a/lib/src/paths.rs
+++ b/lib/src/paths.rs
@@ -2,7 +2,7 @@
 
 use std::{
 	collections::HashMap,
-	ffi::{OsStr, OsString},
+	ffi::OsString,
 	path::{Path, PathBuf},
 };
 
@@ -66,7 +66,7 @@ where
 /// byte order and joined with the platform-specific path separator (`:` for unix, `;` for Windows).
 pub fn summarise_events_to_env<'events>(
 	events: impl IntoIterator<Item = &'events Event>,
-) -> HashMap<&'static OsStr, OsString> {
+) -> HashMap<&'static str, OsString> {
 	#[cfg(unix)]
 	const ENV_SEP: &str = ":";
 	#[cfg(not(unix))]
@@ -118,14 +118,14 @@ pub fn summarise_events_to_env<'events>(
 	for (kind, paths) in kind_buckets {
 		use notify::event::{AccessKind::*, AccessMode::*, EventKind::*, ModifyKind::*};
 		grouped_buckets
-			.entry(OsStr::new(match kind {
+			.entry(match kind {
 				Modify(Data(_)) | Access(Close(Write)) => "WRITTEN",
 				Modify(Metadata(_)) => "META_CHANGED",
 				Remove(_) => "REMOVED",
 				Create(_) => "CREATED",
 				Modify(Name(_)) => "RENAMED",
 				_ => "OTHERWISE_CHANGED",
-			}))
+			})
 			.or_insert_with(Vec::new)
 			.extend(paths.into_iter().map(|p| {
 				if let Some(suffix) = common_path
@@ -139,7 +139,7 @@ pub fn summarise_events_to_env<'events>(
 			}));
 	}
 
-	let mut res: HashMap<&'static OsStr, OsString> = grouped_buckets
+	let mut res: HashMap<&'static str, OsString> = grouped_buckets
 		.into_iter()
 		.map(|(kind, mut paths)| {
 			let mut joined =
@@ -158,7 +158,7 @@ pub fn summarise_events_to_env<'events>(
 		.collect();
 
 	if let Some(common_path) = common_path {
-		res.insert(OsStr::new("COMMON_PATH"), common_path.into_os_string());
+		res.insert("COMMON_PATH", common_path.into_os_string());
 	}
 
 	res
diff --git a/lib/tests/env_reporting.rs b/lib/tests/env_reporting.rs
index 7eb211cf..a2d6ad14 100644
--- a/lib/tests/env_reporting.rs
+++ b/lib/tests/env_reporting.rs
@@ -1,7 +1,4 @@
-use std::{
-	collections::HashMap,
-	ffi::{OsStr, OsString},
-};
+use std::{collections::HashMap, ffi::OsString};
 
 use notify::event::CreateKind;
 use watchexec::{
@@ -49,8 +46,8 @@ fn single_created() {
 	assert_eq!(
 		summarise_events_to_env(&events),
 		HashMap::from([
-			(OsStr::new("CREATED"), OsString::from("file.txt")),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("CREATED", OsString::from("file.txt")),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }
@@ -64,8 +61,8 @@ fn single_meta() {
 	assert_eq!(
 		summarise_events_to_env(&events),
 		HashMap::from([
-			(OsStr::new("META_CHANGED"), OsString::from("file.txt")),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("META_CHANGED", OsString::from("file.txt")),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }
@@ -76,8 +73,8 @@ fn single_removed() {
 	assert_eq!(
 		summarise_events_to_env(&events),
 		HashMap::from([
-			(OsStr::new("REMOVED"), OsString::from("file.txt")),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("REMOVED", OsString::from("file.txt")),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }
@@ -91,8 +88,8 @@ fn single_renamed() {
 	assert_eq!(
 		summarise_events_to_env(&events),
 		HashMap::from([
-			(OsStr::new("RENAMED"), OsString::from("file.txt")),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("RENAMED", OsString::from("file.txt")),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }
@@ -106,8 +103,8 @@ fn single_written() {
 	assert_eq!(
 		summarise_events_to_env(&events),
 		HashMap::from([
-			(OsStr::new("WRITTEN"), OsString::from("file.txt")),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("WRITTEN", OsString::from("file.txt")),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }
@@ -118,8 +115,8 @@ fn single_otherwise() {
 	assert_eq!(
 		summarise_events_to_env(&events),
 		HashMap::from([
-			(OsStr::new("OTHERWISE_CHANGED"), OsString::from("file.txt")),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("OTHERWISE_CHANGED", OsString::from("file.txt")),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }
@@ -146,13 +143,13 @@ fn all_types_once() {
 	assert_eq!(
 		summarise_events_to_env(&events),
 		HashMap::from([
-			(OsStr::new("CREATED"), OsString::from("create.txt")),
-			(OsStr::new("META_CHANGED"), OsString::from("metadata.txt")),
-			(OsStr::new("REMOVED"), OsString::from("remove.txt")),
-			(OsStr::new("RENAMED"), OsString::from("rename.txt")),
-			(OsStr::new("WRITTEN"), OsString::from("modify.txt")),
-			(OsStr::new("OTHERWISE_CHANGED"), OsString::from("any.txt")),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("CREATED", OsString::from("create.txt")),
+			("META_CHANGED", OsString::from("metadata.txt")),
+			("REMOVED", OsString::from("remove.txt")),
+			("RENAMED", OsString::from("rename.txt")),
+			("WRITTEN", OsString::from("modify.txt")),
+			("OTHERWISE_CHANGED", OsString::from("any.txt")),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }
@@ -172,7 +169,7 @@ fn single_type_multipath() {
 		summarise_events_to_env(&events),
 		HashMap::from([
 			(
-				OsStr::new("CREATED"),
+				"CREATED",
 				OsString::from(
 					"".to_string()
 						+ "deeper/sub/folder.txt"
@@ -181,7 +178,7 @@ fn single_type_multipath() {
 						+ "sub/folder.txt"
 				)
 			),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }
@@ -196,10 +193,10 @@ fn single_type_divergent_paths() {
 		summarise_events_to_env(&events),
 		HashMap::from([
 			(
-				OsStr::new("CREATED"),
+				"CREATED",
 				OsString::from("".to_string() + "dom/folder.txt" + ENV_SEP + "sub/folder.txt")
 			),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }
@@ -220,16 +217,13 @@ fn multitype_multipath() {
 		summarise_events_to_env(&events),
 		HashMap::from([
 			(
-				OsStr::new("CREATED"),
+				"CREATED",
 				OsString::from("".to_string() + "root.txt" + ENV_SEP + "sibling.txt"),
 			),
-			(OsStr::new("META_CHANGED"), OsString::from("sub/folder.txt"),),
-			(OsStr::new("REMOVED"), OsString::from("dom/folder.txt"),),
-			(
-				OsStr::new("OTHERWISE_CHANGED"),
-				OsString::from("deeper/sub/folder.txt"),
-			),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("META_CHANGED", OsString::from("sub/folder.txt"),),
+			("REMOVED", OsString::from("dom/folder.txt"),),
+			("OTHERWISE_CHANGED", OsString::from("deeper/sub/folder.txt"),),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }
@@ -254,10 +248,10 @@ fn multiple_paths_in_one_event() {
 		summarise_events_to_env(&events),
 		HashMap::from([
 			(
-				OsStr::new("OTHERWISE_CHANGED"),
+				"OTHERWISE_CHANGED",
 				OsString::from("".to_string() + "one.txt" + ENV_SEP + "two.txt")
 			),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }
@@ -280,10 +274,10 @@ fn mixed_non_paths_events() {
 		summarise_events_to_env(&events),
 		HashMap::from([
 			(
-				OsStr::new("OTHERWISE_CHANGED"),
+				"OTHERWISE_CHANGED",
 				OsString::from("".to_string() + "one.txt" + ENV_SEP + "two.txt")
 			),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }
@@ -316,7 +310,7 @@ fn multipath_is_sorted() {
 		summarise_events_to_env(&events),
 		HashMap::from([
 			(
-				OsStr::new("OTHERWISE_CHANGED"),
+				"OTHERWISE_CHANGED",
 				OsString::from(
 					"".to_string()
 						+ "0123.txt" + ENV_SEP + "a.txt"
@@ -324,7 +318,7 @@ fn multipath_is_sorted() {
 						+ "c.txt" + ENV_SEP + "ᄁ.txt"
 				)
 			),
-			(OsStr::new("COMMON_PATH"), ospath("")),
+			("COMMON_PATH", ospath("")),
 		])
 	);
 }