diff --git a/README.md b/README.md
index 33182da6..be3956d9 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ Some common use cases are:
 * Skip serializing all empty `Option` types with [`#[skip_serializing_none]`][skip_serializing_none].
 * Apply a prefix to each field name of a struct, without changing the de/serialize implementations of the struct using [`with_prefix!`][].
 * Deserialize a comma separated list like `#hash,#tags,#are,#great` into a `Vec<String>`.
-     Check the documentation for [`serde_with::rust::StringWithSeparator::<CommaSeparator>`][StringWithSeparator].
+     Check the documentation for [`serde_with::StringWithSeparator::<CommaSeparator, T>`][StringWithSeparator].
 
 ### Getting Help
 
@@ -162,7 +162,7 @@ Foo {
 [`with_prefix!`]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/macro.with_prefix.html
 [feature flags]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/guide/feature_flags/index.html
 [skip_serializing_none]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/attr.skip_serializing_none.html
-[StringWithSeparator]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/rust/struct.StringWithSeparator.html
+[StringWithSeparator]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/struct.StringWithSeparator.html
 [user guide]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/guide/index.html
 [with-annotation]: https://serde.rs/field-attrs.html#with
 [as-annotation]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/guide/serde_as/index.html
diff --git a/serde_with/src/lib.rs b/serde_with/src/lib.rs
index cf6350c7..38579c97 100644
--- a/serde_with/src/lib.rs
+++ b/serde_with/src/lib.rs
@@ -1,6 +1,6 @@
 #![warn(
     clippy::semicolon_if_nothing_returned,
-    // missing_crate_level_docs, not available in MSRV
+    missing_crate_level_docs,
     missing_docs,
     rust_2018_idioms,
     trivial_casts,
@@ -254,7 +254,7 @@
 //! [`with_prefix!`]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/macro.with_prefix.html
 //! [feature flags]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/guide/feature_flags/index.html
 //! [skip_serializing_none]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/attr.skip_serializing_none.html
-//! [StringWithSeparator]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/rust/struct.StringWithSeparator.html
+//! [StringWithSeparator]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/struct.StringWithSeparator.html
 //! [user guide]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/guide/index.html
 //! [with-annotation]: https://serde.rs/field-attrs.html#with
 //! [as-annotation]: https://docs.rs/serde_with/2.0.0-rc.0/serde_with/guide/serde_as/index.html
diff --git a/serde_with/src/with_prefix.rs b/serde_with/src/with_prefix.rs
index b4b483c9..a37eca55 100644
--- a/serde_with/src/with_prefix.rs
+++ b/serde_with/src/with_prefix.rs
@@ -141,7 +141,6 @@ macro_rules! with_prefix {
     };
 }
 
-#[allow(missing_debug_implementations)]
 pub struct WithPrefix<'a, T> {
     pub delegate: T,
     pub prefix: &'a str,
@@ -516,7 +515,6 @@ where
     }
 }
 
-#[allow(missing_debug_implementations)]
 pub struct WithPrefixOption<'a, T> {
     first_key: Option<String>,
     delegate: T,
diff --git a/serde_with_macros/src/lib.rs b/serde_with_macros/src/lib.rs
index 2b131437..aad3583c 100644
--- a/serde_with_macros/src/lib.rs
+++ b/serde_with_macros/src/lib.rs
@@ -2,7 +2,7 @@
 #![warn(
     clippy::semicolon_if_nothing_returned,
     missing_copy_implementations,
-    // missing_crate_level_docs, not available in MSRV
+    missing_crate_level_docs,
     missing_debug_implementations,
     missing_docs,
     rust_2018_idioms,