diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 6c7fb272..0919b867 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -732,16 +732,6 @@ Style/AsciiComments:
     - 'lib/pry/pry_instance.rb'
     - 'lib/pry/terminal.rb'
 
-# Offense count: 51
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, ProceduralMethods, FunctionalMethods, IgnoredMethods.
-# SupportedStyles: line_count_based, semantic, braces_for_chaining
-# ProceduralMethods: benchmark, bm, bmbm, create, each_with_object, measure, new, realtime, tap, with_object
-# FunctionalMethods: let, let!, subject, watch
-# IgnoredMethods: lambda, proc, it
-Style/BlockDelimiters:
-  Enabled: false
-
 # Offense count: 14
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedStyle.
diff --git a/lib/pry/code.rb b/lib/pry/code.rb
index 28bf9208..0c5117d1 100644
--- a/lib/pry/code.rb
+++ b/lib/pry/code.rb
@@ -88,8 +88,9 @@ class Pry
       if lines.is_a? String
         lines = lines.lines
       end
-      @lines = lines.each_with_index.map { |line, lineno|
-        LOC.new(line, lineno + start_line.to_i) }
+      @lines = lines.each_with_index.map do |line, lineno|
+        LOC.new(line, lineno + start_line.to_i)
+      end
       @code_type = code_type
 
       @with_marker = @with_indentation = @with_line_numbers = nil
diff --git a/lib/pry/commands/cat.rb b/lib/pry/commands/cat.rb
index a039c566..5d53ace7 100644
--- a/lib/pry/commands/cat.rb
+++ b/lib/pry/commands/cat.rb
@@ -50,11 +50,11 @@ class Pry
 
     def load_path_completions
       $LOAD_PATH.flat_map do |path|
-        Dir[path + '/**/*'].map { |f|
+        Dir[path + '/**/*'].map do |f|
           next if File.directory?(f)
 
           f.sub!(path + '/', '')
-        }
+        end
       end
     end
   end
diff --git a/lib/pry/commands/ls/jruby_hacks.rb b/lib/pry/commands/ls/jruby_hacks.rb
index 8f846ee6..449fd089 100644
--- a/lib/pry/commands/ls/jruby_hacks.rb
+++ b/lib/pry/commands/ls/jruby_hacks.rb
@@ -34,7 +34,7 @@ module Pry::Command::Ls::JRubyHacks
   # When removing jruby aliases, we want to keep the alias that is
   # "least rubbish" according to this metric.
   def rubbishness(name)
-    name.each_char.map { |x|
+    name.each_char.map do |x|
       case x
       when /[A-Z]/
         1
@@ -43,7 +43,7 @@ module Pry::Command::Ls::JRubyHacks
       else
         0
       end
-    }.inject(&:+) + (name.size / 100.0)
+    end.inject(&:+) + (name.size / 100.0)
   end
 
 end
diff --git a/lib/pry/commands/ls/local_vars.rb b/lib/pry/commands/ls/local_vars.rb
index 6a1be469..c5fae574 100644
--- a/lib/pry/commands/ls/local_vars.rb
+++ b/lib/pry/commands/ls/local_vars.rb
@@ -8,22 +8,22 @@ class Pry
       end
 
       def output_self
-        name_value_pairs = @target.eval('local_variables').reject { |e|
+        name_value_pairs = @target.eval('local_variables').reject do |e|
           @sticky_locals.keys.include?(e.to_sym)
-        }.map { |name|
+        end.map do |name|
           [name, (@target.eval(name.to_s))]
-        }
+        end
         format(name_value_pairs).join('')
       end
 
       private
 
       def format(name_value_pairs)
-        name_value_pairs.sort_by { |_name, value|
+        name_value_pairs.sort_by do |_name, value|
           value.to_s.size
-        }.reverse.map { |name, value|
+        end.reverse.map do |name, value|
           colorized_assignment_style(name, format_value(value))
-        }
+        end
       end
 
       def colorized_assignment_style(lhs, rhs, desired_width = 7)
diff --git a/lib/pry/input_completer.rb b/lib/pry/input_completer.rb
index 2af9eef6..44280501 100644
--- a/lib/pry/input_completer.rb
+++ b/lib/pry/input_completer.rb
@@ -170,7 +170,7 @@ class Pry::InputCompleter
           require 'set'
           candidates = Set.new
           to_ignore = ignored_modules
-          ObjectSpace.each_object(Module) { |m|
+          ObjectSpace.each_object(Module) do |m|
             next if (to_ignore.include?(m) rescue true)
 
             # jruby doesn't always provide #instance_methods() on each
@@ -178,7 +178,7 @@ class Pry::InputCompleter
             if m.respond_to?(:instance_methods)
               candidates.merge m.instance_methods(false).collect(&:to_s)
             end
-          }
+          end
         end
         select_message(path, receiver, message, candidates.sort)
       when /^\.([^.]*)$/
@@ -206,7 +206,7 @@ class Pry::InputCompleter
   end
 
   def select_message(path, receiver, message, candidates)
-    candidates.grep(/^#{message}/).collect { |e|
+    candidates.grep(/^#{message}/).collect do |e|
       case e
       when /^[a-zA-Z_]/
         path.call(receiver + "." << e)
@@ -214,7 +214,7 @@ class Pry::InputCompleter
       when *Operators
         #receiver + " " << e
       end
-    }.compact
+    end.compact
   end
 
   # build_path seperates the input into two parts: path and input.
diff --git a/lib/pry/slop.rb b/lib/pry/slop.rb
index 11ab66f6..815e08e7 100644
--- a/lib/pry/slop.rb
+++ b/lib/pry/slop.rb
@@ -410,9 +410,9 @@ class Pry::Slop
     heads  = options.reject(&:tail?)
     tails  = (options - heads)
     opts = (heads + tails).select(&:help).map(&:to_s)
-    optstr = opts.each_with_index.map { |o, i|
+    optstr = opts.each_with_index.map do |o, i|
       (str = @separators[i + 1]) ? [o, str].join("\n") : o
-    }.join("\n")
+    end.join("\n")
 
     if @commands.any?
       optstr << "\n" if !optstr.empty?
diff --git a/spec/command_set_spec.rb b/spec/command_set_spec.rb
index da007896..0836728a 100644
--- a/spec/command_set_spec.rb
+++ b/spec/command_set_spec.rb
@@ -48,10 +48,10 @@ describe Pry::CommandSet do
   end
 
   it 'should pass arguments of the command to the block' do
-    expect { |probe|
+    expect do |probe|
       @set.command('foo', &probe)
       @set.run_command(@ctx, 'foo', 1, 2, 3)
-    }.to yield_with_args(1, 2, 3)
+    end.to yield_with_args(1, 2, 3)
   end
 
   it 'should use the first argument as context' do
@@ -333,12 +333,12 @@ describe Pry::CommandSet do
   end
 
   it 'should provide a :listing for a command that defaults to its name' do
-    @set.command 'foo', "" do;end
+    @set.command('foo', '') {}
     expect(@set['foo'].options[:listing]).to eq 'foo'
   end
 
   it 'should provide a :listing for a command that differs from its name' do
-    @set.command 'foo', "", listing: 'bar' do;end
+    @set.command('foo', '', listing: 'bar') {}
     expect(@set['foo'].options[:listing]).to eq 'bar'
   end
 
diff --git a/spec/command_spec.rb b/spec/command_spec.rb
index d7c6359f..730c746c 100644
--- a/spec/command_spec.rb
+++ b/spec/command_spec.rb
@@ -52,7 +52,7 @@ describe "Pry::Command" do
         end
       end
 
-      let(:hooks) {
+      let(:hooks) do
         h = Pry::Hooks.new
         h.add_hook('before_jamaica', 'name1') do |i|
           output.puts 3 - i.to_i
@@ -69,7 +69,7 @@ describe "Pry::Command" do
         h.add_hook('after_jamaica', 'name4') do |i|
           output.puts 3 + i.to_i
         end
-      }
+      end
 
       it "should call hooks in the right order" do
         out = pry_tester(hooks: hooks, commands: @set).process_command('jamaica 2')
@@ -129,7 +129,7 @@ describe "Pry::Command" do
   end
 
   describe 'context' do
-    let(:context) {
+    let(:context) do
       {
         target: binding,
         output: StringIO.new,
@@ -137,7 +137,7 @@ describe "Pry::Command" do
         command_set: @set,
         pry_instance: Pry.new
       }
-    }
+    end
 
     describe '#setup' do
       it 'should capture lots of stuff from the hash passed to new before setup' do
@@ -310,52 +310,52 @@ describe "Pry::Command" do
 
   describe 'tokenize' do
     it 'should interpolate string with #{} in them' do
-      expect { |probe|
+      expect do |probe|
         cmd = @set.command('random-dent', &probe)
 
         _foo = 5
         cmd.new(target: binding).process_line 'random-dent #{1 + 2} #{3 + _foo}'
-      }.to yield_with_args('3', '8')
+      end.to yield_with_args('3', '8')
     end
 
     it 'should not fail if interpolation is not needed and target is not set' do
-      expect { |probe|
+      expect do |probe|
         cmd = @set.command('the-book', &probe)
 
         cmd.new.process_line 'the-book --help'
-      }.to yield_with_args('--help')
+      end.to yield_with_args('--help')
     end
 
     it 'should not interpolate commands with :interpolate => false' do
-      expect { |probe|
+      expect do |probe|
         cmd = @set.command('thor', 'norse god', interpolate: false, &probe)
 
         cmd.new.process_line 'thor %(#{foo})'
-      }.to yield_with_args('%(#{foo})')
+      end.to yield_with_args('%(#{foo})')
     end
 
     it 'should use shell-words to split strings' do
-      expect { |probe|
+      expect do |probe|
         cmd = @set.command('eccentrica', &probe)
 
         cmd.new.process_line %(eccentrica "gallumbits" 'erot''icon' 6)
-      }.to yield_with_args('gallumbits', 'eroticon', '6')
+      end.to yield_with_args('gallumbits', 'eroticon', '6')
     end
 
     it 'should split on spaces if shellwords is not used' do
-      expect { |probe|
+      expect do |probe|
         cmd = @set.command('bugblatter-beast', 'would eat its grandmother', shellwords: false, &probe)
 
         cmd.new.process_line %(bugblatter-beast "of traal")
-      }.to yield_with_args('"of', 'traal"')
+      end.to yield_with_args('"of', 'traal"')
     end
 
     it 'should add captures to arguments for regex commands' do
-      expect { |probe|
+      expect do |probe|
         cmd = @set.command(/perfectly (normal)( beast)?/i, &probe)
 
         cmd.new.process_line %(Perfectly Normal Beast (honest!))
-      }.to yield_with_args('Normal', ' Beast', '(honest!)')
+      end.to yield_with_args('Normal', ' Beast', '(honest!)')
     end
   end
 
@@ -392,11 +392,11 @@ describe "Pry::Command" do
     end
 
     it "should set the commands' arg_string and captures" do
-      inside = inner_scope { |probe|
+      inside = inner_scope do |probe|
         cmd = @set.command(/benj(ie|ei)/, &probe)
 
         cmd.new.process_line %(benjie mouse)
-      }
+      end
 
       expect(inside.arg_string).to eq("mouse")
       expect(inside.captures).to eq(['ie'])
diff --git a/spec/commands/edit_spec.rb b/spec/commands/edit_spec.rb
index d85672be..4b78a651 100644
--- a/spec/commands/edit_spec.rb
+++ b/spec/commands/edit_spec.rb
@@ -366,9 +366,9 @@ describe "edit" do
     it "should write the evaluated command to history" do
       quote = 'history repeats itself, first as tradegy...'
       Pry.config.editor = lambda { |file, _line|
-        File.open(file, 'w') { |f|
+        File.open(file, 'w') do |f|
           f << quote
-        }
+        end
         nil
       }
       @t.process_command 'edit'
diff --git a/spec/commands/help_spec.rb b/spec/commands/help_spec.rb
index 8d65df37..ba634a05 100644
--- a/spec/commands/help_spec.rb
+++ b/spec/commands/help_spec.rb
@@ -17,20 +17,20 @@ describe "help" do
   end
 
   it 'should display help for a regex command with a "listing"' do
-    @set.command(/bar(.*)/, "Test listing", listing: "foo") do; end
+    @set.command(/bar(.*)/, "Test listing", listing: "foo") { ; }
     expect(pry_eval('help foo')).to match(/Test listing/)
   end
 
   it 'should display help for a command with a spaces in its name' do
-    @set.command "cmd with spaces", "desc of a cmd with spaces" do; end
+    @set.command('cmd with spaces', 'desc of a cmd with spaces') {}
     expect(pry_eval('help "cmd with spaces"')).to match(/desc of a cmd with spaces/)
   end
 
   it 'should display help for all commands with a description' do
-    @set.command(/bar(.*)/, "Test listing", listing: "foo") do; end
-    @set.command "b", "description for b", listing: "foo" do; end
-    @set.command "c" do;end
-    @set.command "d", "" do;end
+    @set.command(/bar(.*)/, "Test listing", listing: "foo") { ; }
+    @set.command('b', 'description for b', listing: 'foo') {}
+    @set.command('c') {}
+    @set.command('d', '') {}
 
     output = pry_eval('help')
     expect(output).to match(/Test listing/)
@@ -39,10 +39,10 @@ describe "help" do
   end
 
   it "should sort the output of the 'help' command" do
-    @set.command 'faa', "Fooerizes" do; end
-    @set.command 'gaa', "Gooerizes" do; end
-    @set.command 'maa', "Mooerizes" do; end
-    @set.command 'baa', "Booerizes" do; end
+    @set.command('faa', 'Fooerizes') {}
+    @set.command('gaa', 'Gooerizes') {}
+    @set.command('maa', 'Mooerizes') {}
+    @set.command('baa', 'Booerizes') {}
 
     doc = pry_eval('help')
 
diff --git a/spec/commands/shell_command_spec.rb b/spec/commands/shell_command_spec.rb
index 9fc638ff..b58f039e 100644
--- a/spec/commands/shell_command_spec.rb
+++ b/spec/commands/shell_command_spec.rb
@@ -61,9 +61,9 @@ describe Pry::Command::ShellCommand do
       describe "with CDPATH" do
         let(:cdpath) { File.expand_path(File.join('spec', 'fixtures', 'cdpathdir')) }
         let(:nonexisting_path) { File.expand_path('nonexisting_path') }
-        let(:long_cdpath) {
+        let(:long_cdpath) do
           [nonexisting_path, cdpath].join(File::PATH_SEPARATOR)
-        }
+        end
 
         describe "when it is defined" do
           before do
diff --git a/spec/commands/show_doc_spec.rb b/spec/commands/show_doc_spec.rb
index b6b5945e..f4b836f6 100644
--- a/spec/commands/show_doc_spec.rb
+++ b/spec/commands/show_doc_spec.rb
@@ -127,14 +127,14 @@ describe "show-doc" do
 
   describe "rdoc highlighting" do
     it "should syntax highlight code in rdoc" do
-      _c = Class.new {
+      _c = Class.new do
         # This can initialize your class:
         #
         #   a = _c.new :foo
         #
         # @param foo
         def initialize(foo); end
-      }
+      end
       t = pry_tester(binding)
       expect(t.eval("show-doc _c#initialize")).to match(/_c.new :foo/)
       # I don't want the test to rely on which colour codes are there, just to
@@ -144,12 +144,12 @@ describe "show-doc" do
     end
 
     it "should syntax highlight `code` in rdoc" do
-      _c = Class.new {
+      _c = Class.new do
         # After initializing your class with `_c.new(:foo)`, go have fun!
         #
         # @param foo
         def initialize(foo); end
-      }
+      end
 
       t = pry_tester(binding)
       expect(t.eval("show-doc _c#initialize")).to match(/_c.new\(:foo\)/)
@@ -160,14 +160,14 @@ describe "show-doc" do
     end
 
     it "should not syntax highlight `` inside code" do
-      _c = Class.new {
+      _c = Class.new do
         # Convert aligned output (from many shell commands) into nested arrays:
         #
         #   a = decolumnize `ls -l $HOME`
         #
         # @param output
         def decolumnize(output); end
-      }
+      end
 
       begin
         t = pry_tester(binding)
@@ -422,12 +422,15 @@ describe "show-doc" do
     end
 
     it 'should display help for a regex command with a "listing"' do
-      @set.command(/bar(.*)/, "Test listing", listing: "foo") do; end
+      @set.command(/bar(.*)/, "Test listing", listing: "foo") { ; }
       expect(pry_eval('show-doc foo')).to match(/Test listing/)
     end
 
     it 'should display help for a command with a spaces in its name' do
-      @set.command "command with spaces", "description of a command with spaces" do; end
+      @set.command(
+        'command with spaces',
+        'description of a command with spaces'
+      ) {}
       expect(pry_eval('show-doc command with spaces')).to match(/description of a command with spaces/)
     end
 
diff --git a/spec/commands/show_source_spec.rb b/spec/commands/show_source_spec.rb
index 10c639e4..a4a9d7f2 100644
--- a/spec/commands/show_source_spec.rb
+++ b/spec/commands/show_source_spec.rb
@@ -57,11 +57,11 @@ describe "show-source" do
   end
 
   it "should find methods even if the object overrides method method" do
-    _c = Class.new {
+    _c = Class.new do
       def method;
         98
       end
-    }
+    end
 
     expect(pry_eval(binding, "show-source _c.new.method")).to match(/98/)
   end
@@ -78,13 +78,13 @@ describe "show-source" do
   end
 
   it "should find instance_methods if the class overrides instance_method" do
-    _c = Class.new {
+    _c = Class.new do
       def method;
         98
       end
 
       def self.instance_method; 789; end
-    }
+    end
 
     expect(pry_eval(binding, "show-source _c#method")).to match(/98/)
   end
@@ -688,25 +688,25 @@ describe "show-source" do
 
       describe "block commands" do
         it 'should show source for an ordinary command' do
-          @set.command "foo", :body_of_foo do; end
+          @set.command('foo', :body_of_foo) {}
 
           expect(pry_eval('show-source foo')).to match(/:body_of_foo/)
         end
 
         it "should output source of commands using special characters" do
-          @set.command "!%$", "I gots the yellow fever" do; end
+          @set.command('!%$', 'I gots the yellow fever') {}
 
           expect(pry_eval('show-source !%$')).to match(/yellow fever/)
         end
 
         it 'should show source for a command with spaces in its name' do
-          @set.command "foo bar", :body_of_foo_bar do; end
+          @set.command('foo bar', :body_of_foo_bar) {}
 
           expect(pry_eval('show-source foo bar')).to match(/:body_of_foo_bar/)
         end
 
         it 'should show source for a command by listing name' do
-          @set.command(/foo(.*)/, :body_of_foo_bar_regex, listing: "bar") do; end
+          @set.command(/foo(.*)/, :body_of_foo_bar_regex, listing: "bar") { ; }
 
           expect(pry_eval('show-source bar')).to match(/:body_of_foo_bar_regex/)
         end
diff --git a/spec/history_spec.rb b/spec/history_spec.rb
index e0112c6d..cd60d2dd 100644
--- a/spec/history_spec.rb
+++ b/spec/history_spec.rb
@@ -66,12 +66,12 @@ describe Pry do
       expect(Pry.history.to_a.size).to eq 3
       Pry.history.clear
 
-      File.open(@hist_file_path, 'r') { |fh|
+      File.open(@hist_file_path, 'r') do |fh|
         file = fh.to_a
 
         expect(file.length).to eq 3
         expect(file.any? { |a| a =~ /athos/ }).to eq true
-      }
+      end
     end
   end
 
diff --git a/spec/method_spec.rb b/spec/method_spec.rb
index 9ab84eb7..92216635 100644
--- a/spec/method_spec.rb
+++ b/spec/method_spec.rb
@@ -322,9 +322,9 @@ describe Pry::Method do
       end
 
       it "should find methods defined in modules included into the object's class" do
-        @obj = Class.new {
+        @obj = Class.new do
           include(Module.new { def meth; 1; end })
-        }.new
+        end.new
         should_find_method('meth')
       end
 
@@ -351,11 +351,11 @@ describe Pry::Method do
       end
 
       it "should work in the face of an overridden send" do
-        @obj = Class.new {
+        @obj = Class.new do
           def meth; 1; end
 
           def send; raise EOFError; end
-        }.new
+        end.new
         should_find_method('meth')
       end
     end
@@ -499,7 +499,7 @@ describe Pry::Method do
 
   describe 'method aliases' do
     before do
-      @class = Class.new {
+      @class = Class.new do
         def eat
         end
 
@@ -508,7 +508,7 @@ describe Pry::Method do
 
         def eruct
         end
-      }
+      end
     end
 
     it 'should be able to find method aliases' do
@@ -554,7 +554,7 @@ describe Pry::Method do
 
   describe '.signature' do
     before do
-      @class = Class.new {
+      @class = Class.new do
         def self.standard_arg(arg) end
 
         def self.block_arg(&block) end
@@ -562,7 +562,7 @@ describe Pry::Method do
         def self.rest(*splat) end
 
         def self.optional(option = nil) end
-      }
+      end
     end
 
     it 'should print the name of regular args' do
diff --git a/spec/pryrc_spec.rb b/spec/pryrc_spec.rb
index 2eaed1e4..2a2613b4 100644
--- a/spec/pryrc_spec.rb
+++ b/spec/pryrc_spec.rb
@@ -72,9 +72,9 @@ describe Pry do
 
         # YUCK! horrible hack to get round the fact that output is not configured
         # at the point this message is printed.
-        (class << Pry; self; end).send(:define_method, :puts) { |str|
+        (class << Pry; self; end).send(:define_method, :puts) do |str|
           putsed = str
-        }
+        end
 
         @doing_it = lambda {
           Pry.start(self, input: StringIO.new("Object::TEST_AFTER_RAISE=1\nexit-all\n"), output: StringIO.new)