diff --git a/crates/ruma-macros/src/serde/deserialize_from_cow_str.rs b/crates/ruma-macros/src/serde/deserialize_from_cow_str.rs
index 7c784826..7784b199 100644
--- a/crates/ruma-macros/src/serde/deserialize_from_cow_str.rs
+++ b/crates/ruma-macros/src/serde/deserialize_from_cow_str.rs
@@ -8,6 +8,7 @@ pub fn expand_deserialize_from_cow_str(ident: &Ident) -> syn::Result<TokenStream
 
     Ok(quote! {
         #[automatically_derived]
+        #[allow(deprecated)]
         impl<'de> #ruma_common::exports::serde::de::Deserialize<'de> for #ident {
             fn deserialize<D>(deserializer: D) -> ::std::result::Result<Self, D::Error>
             where
diff --git a/crates/ruma-macros/src/serde/display_as_ref_str.rs b/crates/ruma-macros/src/serde/display_as_ref_str.rs
index e521c183..fb5cfe76 100644
--- a/crates/ruma-macros/src/serde/display_as_ref_str.rs
+++ b/crates/ruma-macros/src/serde/display_as_ref_str.rs
@@ -4,6 +4,7 @@ use quote::quote;
 pub fn expand_display_as_ref_str(ident: &Ident) -> syn::Result<TokenStream> {
     Ok(quote! {
         #[automatically_derived]
+        #[allow(deprecated)]
         impl ::std::fmt::Display for #ident {
             fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
                 f.write_str(::std::convert::AsRef::<::std::primitive::str>::as_ref(self))
diff --git a/crates/ruma-macros/src/serde/enum_as_ref_str.rs b/crates/ruma-macros/src/serde/enum_as_ref_str.rs
index 801c6499..67e992bc 100644
--- a/crates/ruma-macros/src/serde/enum_as_ref_str.rs
+++ b/crates/ruma-macros/src/serde/enum_as_ref_str.rs
@@ -50,6 +50,7 @@ pub fn expand_enum_as_ref_str(input: &ItemEnum) -> syn::Result<TokenStream> {
 
     Ok(quote! {
         #[automatically_derived]
+        #[allow(deprecated)]
         impl ::std::convert::AsRef<::std::primitive::str> for #enum_name {
             fn as_ref(&self) -> &::std::primitive::str {
                 match self { #(#branches),* }
diff --git a/crates/ruma-macros/src/serde/enum_from_string.rs b/crates/ruma-macros/src/serde/enum_from_string.rs
index 2b5fdbbb..b396da0b 100644
--- a/crates/ruma-macros/src/serde/enum_from_string.rs
+++ b/crates/ruma-macros/src/serde/enum_from_string.rs
@@ -69,6 +69,7 @@ pub fn expand_enum_from_string(input: &ItemEnum) -> syn::Result<TokenStream> {
 
     Ok(quote! {
         #[automatically_derived]
+        #[allow(deprecated)]
         impl<T> ::std::convert::From<T> for #enum_name
         where
             T: ::std::convert::AsRef<::std::primitive::str>
diff --git a/crates/ruma-macros/src/serde/eq_as_ref_str.rs b/crates/ruma-macros/src/serde/eq_as_ref_str.rs
index 846a9807..dc5ac033 100644
--- a/crates/ruma-macros/src/serde/eq_as_ref_str.rs
+++ b/crates/ruma-macros/src/serde/eq_as_ref_str.rs
@@ -4,6 +4,7 @@ use quote::quote;
 pub fn expand_partial_eq_as_ref_str(ident: &Ident) -> syn::Result<TokenStream> {
     Ok(quote! {
         #[automatically_derived]
+        #[allow(deprecated)]
         impl ::std::cmp::PartialEq for #ident {
             fn eq(&self, other: &Self) -> bool {
                 let other = ::std::convert::AsRef::<::std::primitive::str>::as_ref(other);
diff --git a/crates/ruma-macros/src/serde/ord_as_ref_str.rs b/crates/ruma-macros/src/serde/ord_as_ref_str.rs
index 070a7a82..a0188db3 100644
--- a/crates/ruma-macros/src/serde/ord_as_ref_str.rs
+++ b/crates/ruma-macros/src/serde/ord_as_ref_str.rs
@@ -4,6 +4,7 @@ use quote::quote;
 pub fn expand_partial_ord_as_ref_str(ident: &Ident) -> syn::Result<TokenStream> {
     Ok(quote! {
         #[automatically_derived]
+        #[allow(deprecated)]
         impl ::std::cmp::PartialOrd for #ident {
             fn partial_cmp(&self, other: &Self) -> ::std::option::Option<::std::cmp::Ordering> {
                 let other = ::std::convert::AsRef::<::std::primitive::str>::as_ref(other);
@@ -16,6 +17,7 @@ pub fn expand_partial_ord_as_ref_str(ident: &Ident) -> syn::Result<TokenStream>
 pub fn expand_ord_as_ref_str(ident: &Ident) -> syn::Result<TokenStream> {
     Ok(quote! {
         #[automatically_derived]
+        #[allow(deprecated)]
         impl ::std::cmp::Ord for #ident {
             fn cmp(&self, other: &Self) -> ::std::cmp::Ordering {
                 let other = ::std::convert::AsRef::<::std::primitive::str>::as_ref(other);
diff --git a/crates/ruma-macros/src/serde/serialize_as_ref_str.rs b/crates/ruma-macros/src/serde/serialize_as_ref_str.rs
index c2c823ee..b8683e4b 100644
--- a/crates/ruma-macros/src/serde/serialize_as_ref_str.rs
+++ b/crates/ruma-macros/src/serde/serialize_as_ref_str.rs
@@ -8,6 +8,7 @@ pub fn expand_serialize_as_ref_str(ident: &Ident) -> syn::Result<TokenStream> {
 
     Ok(quote! {
         #[automatically_derived]
+        #[allow(deprecated)]
         impl #ruma_common::exports::serde::ser::Serialize for #ident {
             fn serialize<S>(&self, serializer: S) -> ::std::result::Result<S::Ok, S::Error>
             where