diff --git a/src/searcher.rs b/src/searcher.rs
index ccda749..e415d12 100644
--- a/src/searcher.rs
+++ b/src/searcher.rs
@@ -25,7 +25,10 @@ impl Searcher {
 }
 
 impl UserData for Searcher {
-    fn add_methods<'lua, M: UserDataMethods<'lua, Self>>(methods: &mut M) {
+    fn add_methods<'lua, M>(methods: &mut M)
+    where
+        M: UserDataMethods<'lua, Self>,
+    {
         methods.add_meta_method(MetaMethod::Call, |lua_ctx, this, name: String| {
             match this.modules.get(&name) {
                 Some(content) => Ok(Value::Function(
@@ -55,7 +58,10 @@ impl StaticSearcher {
 }
 
 impl UserData for StaticSearcher {
-    fn add_methods<'lua, M: UserDataMethods<'lua, Self>>(methods: &mut M) {
+    fn add_methods<'lua, M>(methods: &mut M)
+    where
+        M: UserDataMethods<'lua, Self>,
+    {
         methods.add_meta_method(MetaMethod::Call, |lua_ctx, this, name: String| {
             match this.modules.get(name.as_str()) {
                 Some(content) => Ok(Value::Function(
@@ -108,7 +114,10 @@ impl<P> UserData for PathSearcherPoly<P>
 where
     P: 'static + AsRef<Path> + Send,
 {
-    fn add_methods<'lua, M: UserDataMethods<'lua, Self>>(methods: &mut M) {
+    fn add_methods<'lua, M>(methods: &mut M)
+    where
+        M: UserDataMethods<'lua, Self>,
+    {
         methods.add_meta_method(MetaMethod::Call, |lua_ctx, this, name: String| {
             match this.modules.get(&name) {
                 Some(ref path) => {