diff --git a/Library/Homebrew/attestation.rb b/Library/Homebrew/attestation.rb
index 4bfc18e96d..beef17a876 100644
--- a/Library/Homebrew/attestation.rb
+++ b/Library/Homebrew/attestation.rb
@@ -16,7 +16,7 @@ module Homebrew
 
     # No backfill attestations after this date are considered valid.
     # @api private
-    BACKFILL_CUTOFF = DateTime.new(2024, 3, 14)
+    BACKFILL_CUTOFF = DateTime.new(2024, 3, 14).freeze
 
     # Verifies the given bottle against a cryptographic attestation of build provenance.
     #
@@ -34,9 +34,7 @@ module Homebrew
     def self.check_attestation(bottle, signing_repo, signing_workflow = nil)
       cmd = [HOMEBREW_GH, "attestation", "verify", bottle.cached_download, "--repo", signing_repo, "--format", "json"]
 
-      unless signing_workflow.nil?
-        cmd += ["--cert-identity", signing_workflow]
-      end
+      cmd += ["--cert-identity", signing_workflow] unless signing_workflow.nil?
 
       begin
         output = Utils.safe_popen_read(*cmd)
@@ -46,7 +44,7 @@ module Homebrew
 
       begin
         data = JSON.parse(output)
-      rescue JSON::ParserError => e
+      rescue JSON::ParserError
         raise InvalidAttestationError, "attestation verification returned malformed JSON"
       end
 
diff --git a/Library/Homebrew/env_config.rb b/Library/Homebrew/env_config.rb
index 4f6b8e62fd..53f85a3778 100644
--- a/Library/Homebrew/env_config.rb
+++ b/Library/Homebrew/env_config.rb
@@ -422,7 +422,7 @@ module Homebrew
                      "useful to avoid long-running Homebrew commands being killed due to no output.",
         boolean:     true,
       },
-      HOMEBREW_VERIFY_ATTESTATIONS: {
+      HOMEBREW_VERIFY_ATTESTATIONS:              {
         description: "If set, Homebrew will use the `gh` tool to verify cryptographic attestations " \
                      "of build provenance for bottles from homebrew-core.",
         boolean:     true,