diff --git a/Library/Homebrew/bundle/commands/exec.rb b/Library/Homebrew/bundle/commands/exec.rb
index 0089f50ef3..15968bbba0 100644
--- a/Library/Homebrew/bundle/commands/exec.rb
+++ b/Library/Homebrew/bundle/commands/exec.rb
@@ -123,11 +123,11 @@ module Homebrew
               ENV[key] = if key.include?("PATH") && value.match?(PATH_LIKE_ENV_REGEX)
                 rejected_opts = []
                 path = PATH.new(ENV.fetch("PATH"))
-                           .reject do |value|
-                  rejected_opts << value if value.match?(opt)
+                           .reject do |path_value|
+                  rejected_opts << path_value if path_value.match?(opt)
                 end
-                rejected_opts.each do |value|
-                  path.prepend(value.gsub(opt, cellar))
+                rejected_opts.each do |path_value|
+                  path.prepend(path_value.gsub(opt, cellar))
                 end
                 path.to_s
               else
diff --git a/Library/Homebrew/cmd/services.rb b/Library/Homebrew/cmd/services.rb
index 5de936c051..f072813778 100644
--- a/Library/Homebrew/cmd/services.rb
+++ b/Library/Homebrew/cmd/services.rb
@@ -64,7 +64,7 @@ module Homebrew
       sig { override.void }
       def run
         # pbpaste's exit status is a proxy for detecting the use of reattach-to-user-namespace
-        if ENV["HOMEBREW_TMUX"] && (File.exist?("/usr/bin/pbpaste") && !quiet_system("/usr/bin/pbpaste"))
+        if ENV.fetch("HOMEBREW_TMUX", nil) && File.exist?("/usr/bin/pbpaste") && !quiet_system("/usr/bin/pbpaste")
           raise UsageError,
                 "`brew services` cannot run under tmux!"
         end
diff --git a/Library/Homebrew/livecheck/livecheck.rb b/Library/Homebrew/livecheck/livecheck.rb
index 8370b23c59..38042e74de 100644
--- a/Library/Homebrew/livecheck/livecheck.rb
+++ b/Library/Homebrew/livecheck/livecheck.rb
@@ -370,9 +370,9 @@ module Homebrew
           progress&.increment
           info.delete(:meta) unless verbose
           if check_for_resources && !verbose
-            resource_version_info.map! do |info|
-              info.delete(:meta)
-              info
+            resource_version_info.map! do |resource_info|
+              resource_info.delete(:meta)
+              resource_info
             end
           end
           next info
diff --git a/Library/Homebrew/style.rb b/Library/Homebrew/style.rb
index 8d9d99f366..45c0943736 100644
--- a/Library/Homebrew/style.rb
+++ b/Library/Homebrew/style.rb
@@ -62,7 +62,7 @@ module Homebrew
             shell_scripts
           else
             path.glob("**/*.sh")
-                .reject { |path| path.to_s.include?("/vendor/") || path.directory? }
+                .reject { |file_path| file_path.to_s.include?("/vendor/") || file_path.directory? }
           end
           actionlint_files += (path/".github/workflows").glob("*.y{,a}ml")
         end
diff --git a/Library/Homebrew/utils/curl.rb b/Library/Homebrew/utils/curl.rb
index 0fb62364a1..b1f7643c6b 100644
--- a/Library/Homebrew/utils/curl.rb
+++ b/Library/Homebrew/utils/curl.rb
@@ -442,7 +442,7 @@ module Utils
       end
 
       if url.start_with?("https://") && Homebrew::EnvConfig.no_insecure_redirect? &&
-         (details[:final_url].present? && !details[:final_url].start_with?("https://"))
+         details[:final_url].present? && !details[:final_url].start_with?("https://")
         return "The #{url_type} #{url} redirects back to HTTP"
       end
 
@@ -459,7 +459,7 @@ module Utils
 
       http_with_https_available =
         url.start_with?("http://") &&
-        (secure_details[:final_url].present? && secure_details[:final_url].start_with?("https://"))
+        secure_details[:final_url].present? && secure_details[:final_url].start_with?("https://")
 
       if (etag_match || content_length_match || file_match) && http_with_https_available
         return "The #{url_type} #{url} should use HTTPS rather than HTTP"
@@ -472,7 +472,7 @@ module Utils
       https_content = secure_details[:file]&.scrub&.gsub(no_protocol_file_contents, "/")
 
       # Check for the same content after removing all protocols
-      if (http_content && https_content) && (http_content == https_content) && http_with_https_available
+      if http_content && https_content && (http_content == https_content) && http_with_https_available
         return "The #{url_type} #{url} should use HTTPS rather than HTTP"
       end