diff --git a/autoload/highlight.vim b/autoload/highlight.vim
index 3e61c1d..7bbdd7e 100644
--- a/autoload/highlight.vim
+++ b/autoload/highlight.vim
@@ -30,6 +30,44 @@ let s:active_register = "\""
 let s:registry = {}
 
 
+" FUNCTION: ExpandRegister(reg) {{{1
+" ==============================================================================
+" Convenience method to determine which register is being currently used.
+" The unnamed register defaults to the last used register to avoid having to
+" constantly prefix registration. This can be changed by setting the value of
+" g:persist_unnamed_register to 1.
+
+function! highlight#expand_register(reg)
+  if !g:persist_unnamed_register && a:reg ==# '"'
+    return s:active_register
+  endif
+  return a:reg
+endfunction
+
+
+" FUNCTION: ExpandFlag(flag) {{{1
+" ==============================================================================
+" Convenience method used to make the mappings in plugin/highlight.vim a bit
+" easier to read through. The passed flag can be:
+"
+" c: Indicates the current word, with word boundary.
+" g: Indicates the current word, without word boundary.
+" v: Indicates the current visual selection.
+"
+" Throws an error otherwise.
+
+function! highlight#expand_flag(flag) abort
+  if a:flag ==# 'c'
+    return '\<' . expand('<cword>') . '\>'
+  elseif a:flag ==# 'g'
+    return expand('<cword>')
+  elseif a:flag ==# 'v'
+    return highlight#get_visual_selection()
+  endif
+  throw 'Could not expand passed flag: ' . a:flag
+endfunction
+
+
 " FUNCTION: CountPattern(pattern) {{{1
 " ==============================================================================
 " Convenience method used to display the number of times the passed pattern has
diff --git a/plugin/hightlight.vim b/plugin/hightlight.vim
index 28f84d1..a1b04c7 100644
--- a/plugin/hightlight.vim
+++ b/plugin/hightlight.vim
@@ -55,72 +55,34 @@ if !exists('g:persist_unnamed_register')
 endif
 
 
-" FUNCTION: ExpandRegister(reg) {{{1
-" ==============================================================================
-" Convenience method to determine which register is being currently used.
-" The unnamed register defaults to the last used register to avoid having to
-" constantly prefix registration. This can be changed by setting the value of
-" g:persist_unnamed_register to 1.
-
-function! s:ExpandRegister(reg)
-  if !g:persist_unnamed_register && a:reg ==# '"'
-    return s:active_register
-  endif
-  return a:reg
-endfunction
-
-
-" FUNCTION: ExpandFlag(flag) {{{1
-" ==============================================================================
-" Convenience method used to make the mappings in plugin/highlight.vim a bit
-" easier to read through. The passed flag can be:
-"
-" c: Indicates the current word, with word boundary.
-" g: Indicates the current word, without word boundary.
-" v: Indicates the current visual selection.
-"
-" Throws an error otherwise.
-
-function! s:ExpandFlag(flag) abort
-  if a:flag ==# 'c'
-    return '\<' . expand('<cword>') . '\>'
-  elseif a:flag ==# 'g'
-    return expand('<cword>')
-  elseif a:flag ==# 'v'
-    return highlight#get_visual_selection()
-  endif
-  throw 'Could not expand passed flag: ' . a:flag
-endfunction
-
-
 " MAPPINGS: {{{1
 " ==============================================================================
 
 " Append Searches
 noremap <Plug>HRegistry_AppendToSearch
-    \ :call highlight#append_to_search(s:ExpandRegister(v:register), s:ExpandFlag('c'))<Bar>
-    \  call highlight#count_pattern(s:ExpandFlag('c'))<CR>
+    \ :call highlight#append_to_search(highlight#expand_register(v:register), highlight#expand_flag('c'))<Bar>
+    \  call highlight#count_pattern(highlight#expand_flag('c'))<CR>
 noremap <Plug>HRegistry_GAppendToSearch
-    \ :call highlight#append_to_search(s:ExpandRegister(v:register), s:ExpandFlag('g'))<Bar>
-    \  call highlight#count_pattern(s:ExpandFlag('g'))<CR>
+    \ :call highlight#append_to_search(highlight#expand_register(v:register), highlight#expand_flag('g'))<Bar>
+    \  call highlight#count_pattern(highlight#expand_flag('g'))<CR>
 noremap <Plug>HRegistry_VisualAppendToSearch
-    \ :call highlight#append_to_search(s:ExpandRegister(v:register), s:ExpandFlag('v'))<Bar>
-    \  call highlight#count_pattern(s:ExpandFlag('v'))<CR>
+    \ :call highlight#append_to_search(highlight#expand_register(v:register), highlight#expand_flag('v'))<Bar>
+    \  call highlight#count_pattern(highlight#expand_flag('v'))<CR>
 
 " Remove Searches
 noremap <Plug>HRegistry_RemoveFromSearch
-    \ :call highlight#remove_from_search(s:ExpandRegister(v:register), s:ExpandFlag('c'))<CR>
+    \ :call highlight#remove_from_search(highlight#expand_register(v:register), highlight#expand_flag('c'))<CR>
 noremap <Plug>HRegistry_VisualRemoveFromSearch
-    \ :call highlight#remove_from_search(s:ExpandRegister(v:register), s:ExpandFlag('v'))<CR>
+    \ :call highlight#remove_from_search(highlight#expand_register(v:register), highlight#expand_flag('v'))<CR>
 
 " Other Modifications
 noremap <Plug>HRegistry_ClearRegister
-    \ :call highlight#clear_register(s:ExpandRegister(v:register))<Bar>
-    \  call highlight#activate_register(s:ExpandRegister(v:register))<CR>
+    \ :call highlight#clear_register(highlight#expand_register(v:register))<Bar>
+    \  call highlight#activate_register(highlight#expand_register(v:register))<CR>
 noremap <Plug>HRegistry_ActivateRegister
-    \ :call highlight#activate_register(s:ExpandRegister(v:register))<CR>
+    \ :call highlight#activate_register(highlight#expand_register(v:register))<CR>
 noremap <Plug>HRegistry_CountLastSeen
-    \ :call highlight#count_pattern(s:ExpandFlag('c'))<CR>
+    \ :call highlight#count_pattern(highlight#expand_flag('c'))<CR>
 
 " Normal Mappings
 nmap <silent>  & <Plug>HRegistry_AppendToSearch