diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 6fce953..3934baa 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -7,16 +7,6 @@
 # versions of RuboCop, may require this file to be generated again.
 
 
-# Offense count: 29
-# This cop supports safe autocorrection (--autocorrect).
-# Configuration parameters: AllowMultipleStyles, EnforcedHashRocketStyle, EnforcedColonStyle, EnforcedLastArgumentHashStyle.
-# SupportedHashRocketStyles: key, separator, table
-# SupportedColonStyles: key, separator, table
-# SupportedLastArgumentHashStyles: always_inspect, always_ignore, ignore_implicit, ignore_explicit
-Layout/HashAlignment:
-  Exclude:
-    - 'lib/ruby_units/unit_definitions/prefix.rb'
-
 # Offense count: 2
 # This cop supports safe autocorrection (--autocorrect).
 Layout/SpaceAfterComma:
diff --git a/lib/ruby_units/unit_definitions/prefix.rb b/lib/ruby_units/unit_definitions/prefix.rb
index 8830c1e..31acb85 100644
--- a/lib/ruby_units/unit_definitions/prefix.rb
+++ b/lib/ruby_units/unit_definitions/prefix.rb
@@ -2,35 +2,35 @@
 
 {
   'googol' => [%w[googol],             1e100],
-  'yobi'   => [%w[Yi Yobi yobi],       2**80],
-  'zebi'   => [%w[Zi Zebi zebi],       2**70],
-  'exbi'   => [%w[Ei Exbi exbi],       2**60],
-  'pebi'   => [%w[Pi Pebi pebi],       2**50],
-  'tebi'   => [%w[Ti Tebi tebi],       2**40],
-  'gibi'   => [%w[Gi Gibi gibi],       2**30],
-  'mebi'   => [%w[Mi Mebi mebi],       2**20],
-  'kibi'   => [%w[Ki Kibi kibi],       2**10],
-  'yotta'  => [%w[Y Yotta yotta],      1e24],
-  'zetta'  => [%w[Z Zetta zetta],      1e21],
-  'exa'    => [%w[E Exa exa],          1e18],
-  'peta'   => [%w[P Peta peta],        1e15],
-  'tera'   => [%w[T Tera tera],        1e12],
-  'giga'   => [%w[G Giga giga],        1e9],
-  'mega'   => [%w[M Mega mega],        1e6],
-  'kilo'   => [%w[k kilo],             1e3],
-  'hecto'  => [%w[h Hecto hecto],      1e2],
-  'deca'   => [%w[da Deca deca deka],  1e1],
-  '1'      => [%w[1],                  1],
-  'deci'   => [%w[d Deci deci],        Rational(1, 1e1)],
-  'centi'  => [%w[c Centi centi],      Rational(1, 1e2)],
-  'milli'  => [%w[m Milli milli],      Rational(1, 1e3)],
-  'micro'  => [%w[u µ Micro micro mc], Rational(1, 1e6)],
-  'nano'   => [%w[n Nano nano],        Rational(1, 1e9)],
-  'pico'   => [%w[p Pico pico],        Rational(1, 1e12)],
-  'femto'  => [%w[f Femto femto],      Rational(1, 1e15)],
-  'atto'   => [%w[a Atto atto],        Rational(1, 1e18)],
-  'zepto'  => [%w[z Zepto zepto],      Rational(1, 1e21)],
-  'yocto'  => [%w[y Yocto yocto],      Rational(1, 1e24)]
+  'yobi' => [%w[Yi Yobi yobi],       2**80],
+  'zebi' => [%w[Zi Zebi zebi],       2**70],
+  'exbi' => [%w[Ei Exbi exbi],       2**60],
+  'pebi' => [%w[Pi Pebi pebi],       2**50],
+  'tebi' => [%w[Ti Tebi tebi],       2**40],
+  'gibi' => [%w[Gi Gibi gibi],       2**30],
+  'mebi' => [%w[Mi Mebi mebi],       2**20],
+  'kibi' => [%w[Ki Kibi kibi],       2**10],
+  'yotta' => [%w[Y Yotta yotta],      1e24],
+  'zetta' => [%w[Z Zetta zetta],      1e21],
+  'exa' => [%w[E Exa exa],          1e18],
+  'peta' => [%w[P Peta peta],        1e15],
+  'tera' => [%w[T Tera tera],        1e12],
+  'giga' => [%w[G Giga giga],        1e9],
+  'mega' => [%w[M Mega mega],        1e6],
+  'kilo' => [%w[k kilo],             1e3],
+  'hecto' => [%w[h Hecto hecto],      1e2],
+  'deca' => [%w[da Deca deca deka],  1e1],
+  '1' => [%w[1],                  1],
+  'deci' => [%w[d Deci deci],        Rational(1, 1e1)],
+  'centi' => [%w[c Centi centi],      Rational(1, 1e2)],
+  'milli' => [%w[m Milli milli],      Rational(1, 1e3)],
+  'micro' => [%w[u µ Micro micro mc], Rational(1, 1e6)],
+  'nano' => [%w[n Nano nano],        Rational(1, 1e9)],
+  'pico' => [%w[p Pico pico],        Rational(1, 1e12)],
+  'femto' => [%w[f Femto femto],      Rational(1, 1e15)],
+  'atto' => [%w[a Atto atto],        Rational(1, 1e18)],
+  'zepto' => [%w[z Zepto zepto],      Rational(1, 1e21)],
+  'yocto' => [%w[y Yocto yocto],      Rational(1, 1e24)]
 }.each do |name, definition|
   RubyUnits::Unit.define(name) do |unit|
     aliases, scalar = definition