diff --git a/buildpacks/ruby/src/main.rs b/buildpacks/ruby/src/main.rs
index 2f39edc9..0c7f696e 100644
--- a/buildpacks/ruby/src/main.rs
+++ b/buildpacks/ruby/src/main.rs
@@ -115,6 +115,7 @@ impl Buildpack for RubyBuildpack {
     }
 
     #[allow(clippy::too_many_lines)]
+    #[allow(deprecated)]
     fn build(&self, context: BuildContext<Self>) -> libcnb::Result<BuildResult, Self::Error> {
         let mut logger = BuildLog::new(stdout()).buildpack_name("Heroku Ruby Buildpack");
         let warn_later = WarnGuard::new(stdout());
@@ -154,7 +155,6 @@ impl Buildpack for RubyBuildpack {
                 fmt::value(ruby_version.to_string()),
                 fmt::value(gemfile_lock.ruby_source())
             ));
-            #[allow(deprecated)]
             let ruby_layer = context //
                 .handle_layer(
                     layer_name!("ruby"),
@@ -168,7 +168,6 @@ impl Buildpack for RubyBuildpack {
                         },
                     },
                 )?;
-            #[allow(deprecated)]
             let env = ruby_layer.env.apply(Scope::Build, &env);
             (section.end_section(), env)
         };
@@ -180,7 +179,6 @@ impl Buildpack for RubyBuildpack {
                 fmt::value(bundler_version.to_string()),
                 fmt::value(gemfile_lock.bundler_source())
             ));
-            #[allow(deprecated)]
             let download_bundler_layer = context.handle_layer(
                 layer_name!("bundler"),
                 BundleDownloadLayer {
@@ -192,7 +190,6 @@ impl Buildpack for RubyBuildpack {
                 },
             )?;
 
-            #[allow(deprecated)]
             let env = download_bundler_layer.env.apply(Scope::Build, &env);
 
             (section.end_section(), env)
@@ -201,7 +198,6 @@ impl Buildpack for RubyBuildpack {
         // ## Bundle install
         (logger, env) = {
             let section = logger.section("Bundle install");
-            #[allow(deprecated)]
             let bundle_install_layer = context.handle_layer(
                 layer_name!("gems"),
                 BundleInstallLayer {