diff --git a/lib/http/form_data/composite_io.rb b/lib/http/form_data/composite_io.rb
index 33fa1f18..b9508f51 100644
--- a/lib/http/form_data/composite_io.rb
+++ b/lib/http/form_data/composite_io.rb
@@ -54,7 +54,7 @@ def read(length = nil, outbuf = nil)
       # @api public
       # @return [Integer]
       def size
-        @size ||= @ios.sum(&:size)
+        @size ||= @ios.sum(&:size) # steep:ignore
       end
 
       # Rewinds all IO objects and resets cursor
diff --git a/lib/http/headers.rb b/lib/http/headers.rb
index 892c28fe..af588f5a 100644
--- a/lib/http/headers.rb
+++ b/lib/http/headers.rb
@@ -184,7 +184,7 @@ def include?(name)
     # @return [Hash]
     # @api public
     def to_h
-      keys.to_h { |k| [k, self[k]] }
+      keys.to_h { |k| [k, self[k]] } # steep:ignore
     end
     # @!method to_hash
     #   @see #to_h
@@ -200,7 +200,7 @@ def to_h
     # @return [Hash{Symbol => Object}]
     # @api public
     def deconstruct_keys(keys)
-      hash = @pile.map { |_, k, _| k }.to_h { |k| [k.tr("A-Z-", "a-z_").to_sym, self[k]] }
+      hash = @pile.map { |_, k, _| k }.to_h { |k| [k.tr("A-Z-", "a-z_").to_sym, self[k]] } # steep:ignore
       keys ? hash.slice(*keys) : hash
     end
 
diff --git a/lib/http/options.rb b/lib/http/options.rb
index ff13359d..84cca6a4 100644
--- a/lib/http/options.rb
+++ b/lib/http/options.rb
@@ -61,7 +61,7 @@ class << self
       def new(options = nil, **kwargs)
         return options if options.is_a?(self)
 
-        super(**(options || kwargs)) # steep:ignore
+        super(**(options || kwargs))
       end
 
       # Returns list of defined option names
@@ -181,7 +181,7 @@ def merge(other)
     # @api public
     # @return [Hash]
     def to_hash
-      self.class.defined_options.to_h { |opt_name| [opt_name, public_send(opt_name)] }
+      self.class.defined_options.to_h { |opt_name| [opt_name, public_send(opt_name)] } # steep:ignore
     end
 
     # Duplicates the options object
diff --git a/lib/http/options/definitions.rb b/lib/http/options/definitions.rb
index ecea56a3..45ddfba2 100644
--- a/lib/http/options/definitions.rb
+++ b/lib/http/options/definitions.rb
@@ -45,7 +45,7 @@ def features=(features)
                     unless (feature = self.class.available_features[name])
                       argument_error! "Unsupported feature: #{name}"
                     end
-                    feature.new(**opts_or_feature) # steep:ignore
+                    feature.new(**opts_or_feature)
                   end
       end
     end
diff --git a/lib/http/response/status.rb b/lib/http/response/status.rb
index 441102f5..3e1d7d48 100644
--- a/lib/http/response/status.rb
+++ b/lib/http/response/status.rb
@@ -66,7 +66,7 @@ def symbolize(str)
       #   SYMBOL_CODES[:im_a_teapot]           # => 418
       #
       # @return [Hash<Symbol => Fixnum>]
-      SYMBOL_CODES = SYMBOLS.to_h { |k, v| [v, k] }.freeze
+      SYMBOL_CODES = SYMBOLS.invert.freeze
 
       # The numeric status code
       #
diff --git a/lib/http/timeout/per_operation.rb b/lib/http/timeout/per_operation.rb
index 5a5d3855..b7a6724d 100644
--- a/lib/http/timeout/per_operation.rb
+++ b/lib/http/timeout/per_operation.rb
@@ -9,7 +9,7 @@ module Timeout
     # Timeout handler with separate timeouts for connect, read, and write
     class PerOperation < Null
       # Mapping of shorthand option keys to their full forms
-      KEYS = %i[read write connect].to_h { |k| [k, :"#{k}_timeout"] }.freeze
+      KEYS = { read: :read_timeout, write: :write_timeout, connect: :connect_timeout }.freeze
 
       # Normalize and validate timeout options
       #