diff --git a/nvim-config/coc-settings.json b/nvim-config/coc-settings.json
index 184ecf2..3d033b1 100644
--- a/nvim-config/coc-settings.json
+++ b/nvim-config/coc-settings.json
@@ -6,5 +6,6 @@
       "rootPatterns": ["*.cabal", "stack.yaml", "cabal.project", "package.yaml", "hie.yaml"],
       "filetypes": ["haskell", "lhaskell"]
     }
-  }
+  },
+  "coc.source.iced.enable": true
 }
diff --git a/nvim-config/init.vim b/nvim-config/init.vim
index b806c6c..9cce418 100644
--- a/nvim-config/init.vim
+++ b/nvim-config/init.vim
@@ -21,26 +21,16 @@ Plug 'frankier/neovim-colors-solarized-truecolor-only'
 
 " rainbow-parentethies
 Plug 'luochen1990/rainbow'
-" search in files/buffers for filenames - replaced by fzf
-" Plug 'https://github.com/ctrlpvim/ctrlp.vim.git'
 " fuzzy finder
 Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
 Plug 'junegunn/fzf.vim'
 
-" show buffers in statusline
-" Plug 'bling/vim-bufferline'
 " git-gutter (little + - and ~ left)
 Plug 'https://github.com/airblade/vim-gitgutter.git'
 
-" apply hlint-suggestions
-" Plug 'https://github.com/mpickering/hlint-refactor-vim.git'
-
 " Tabular
 Plug 'https://github.com/godlygeek/tabular.git'
 
-" Shakespearian template-highlighting
-" Plug 'https://github.com/pbrisbin/vim-syntax-shakespeare.git'
-
 " Multiline-Comments
 Plug 'tomtom/tcomment_vim'
 
@@ -73,26 +63,16 @@ Plug 'xolox/vim-session' | Plug 'xolox/vim-misc'
 " CoC
 Plug 'neoclide/coc.nvim', {'branch': 'release'}
 
+" Clojure
+Plug 'guns/vim-sexp', {'for': 'clojure'}
+Plug 'liquidz/vim-iced', {'for': 'clojure'}
+Plug 'liquidz/vim-iced-coc-source', {'for': 'clojure'}
+
 call plug#end()
 
 
 " SETTINGS
 
-" recommended by syntastic
-" set statusline+=%#warningmsg#
-" set statusline+=%{SyntasticStatuslineFlag()}
-" set statusline+=%*
-" set statusline+=%{fugitive#statusline()}
-"
-" let g:syntastic_always_populate_loc_list = 1
-" let g:syntastic_auto_loc_list = 1
-" let g:syntastic_check_on_open = 1
-" let g:syntastic_check_on_wq = 0
-" use autocompletion
-let g:deoplete#enable_at_startup = 1
-" in case of problems with stack..
-" g:necoghc_use_stack = 1
-
 " set leader to space
 let mapleader= "\<SPACE>"
 
@@ -140,6 +120,8 @@ highlight WinSeperator guibg=None
 
 set hidden
 
+let g:loaded_perl_provider = 0
+
 " Use <C-L> to clear the highlighting of :set hlsearch.
 if maparg('<C-L>', 'n') ==# ''
   nnoremap <silent> <C-L> :nohlsearch<CR><C-L>
@@ -175,7 +157,7 @@ inoremap <silent><expr> <S-Tab> pumvisible() ? "\<C-P>" : "\<C-H>"
 inoremap <expr> <CR> pumvisible() ? "\<C-Y>" : "\<CR>"
 
 " use <C-J> to Jump to definition instead of <C-]> (default)
-nnoremap <C-J> <C-]>
+nmap <C-J> <C-]>
 
 " c-d to delete line in insert-mode
 inoremap <C-D> <esc>ddi
@@ -184,8 +166,129 @@ inoremap <C-D> <esc>ddi
 
 tnoremap <C-t><C-t> <C-\><C-n>
 
+""""""""""""""""""""""""""""""""""""""""""""" Coc Keys
+" Use `[g` and `]g` to navigate diagnostics
+" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list
+nmap <silent> [g <Plug>(coc-diagnostic-prev)
+nmap <silent> ]g <Plug>(coc-diagnostic-next)
+
+" GoTo code navigation
+nmap <silent> gd <Plug>(coc-definition)
+nmap <silent> gy <Plug>(coc-type-definition)
+nmap <silent> gi <Plug>(coc-implementation)
+nmap <silent> gr <Plug>(coc-references)
+
+" Use K to show documentation in preview window
+nnoremap <silent> K :call ShowDocumentation()<CR>
+
+function! ShowDocumentation()
+  if CocAction('hasProvider', 'hover')
+    call CocActionAsync('doHover')
+  else
+    call feedkeys('K', 'in')
+  endif
+endfunction
+
+" Highlight the symbol and its references when holding the cursor
+autocmd CursorHold * silent call CocActionAsync('highlight')
+
+" Symbol renaming
+nmap <leader>rn <Plug>(coc-rename)
+
+" Formatting selected code
+xmap <leader>f  <Plug>(coc-format-selected)
+nmap <leader>f  <Plug>(coc-format-selected)
+
+augroup mygroup
+  autocmd!
+  " Setup formatexpr specified filetype(s)
+  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
+  " Update signature help on jump placeholder
+  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
+augroup end
+
+" Applying code actions to the selected code block
+" Example: `<leader>aap` for current paragraph
+xmap <leader>a  <Plug>(coc-codeaction-selected)
+nmap <leader>a  <Plug>(coc-codeaction-selected)
+
+" Remap keys for applying code actions at the cursor position
+nmap <leader>ac  <Plug>(coc-codeaction-cursor)
+" Remap keys for apply code actions affect whole buffer
+nmap <leader>as  <Plug>(coc-codeaction-source)
+" Apply the most preferred quickfix action to fix diagnostic on the current line
+nmap <leader>qf  <Plug>(coc-fix-current)
+
+" Remap keys for applying refactor code actions
+nmap <silent> <leader>re <Plug>(coc-codeaction-refactor)
+xmap <silent> <leader>r  <Plug>(coc-codeaction-refactor-selected)
+nmap <silent> <leader>r  <Plug>(coc-codeaction-refactor-selected)
+
+" Run the Code Lens action on the current line
+nmap <leader>cl  <Plug>(coc-codelens-action)
+
+" Map function and class text objects
+" NOTE: Requires 'textDocument.documentSymbol' support from the language server
+xmap if <Plug>(coc-funcobj-i)
+omap if <Plug>(coc-funcobj-i)
+xmap af <Plug>(coc-funcobj-a)
+omap af <Plug>(coc-funcobj-a)
+xmap ic <Plug>(coc-classobj-i)
+omap ic <Plug>(coc-classobj-i)
+xmap ac <Plug>(coc-classobj-a)
+omap ac <Plug>(coc-classobj-a)
+
+" Remap <C-f> and <C-b> to scroll float windows/popups
+if has('nvim-0.4.0') || has('patch-8.2.0750')
+  nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
+  nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
+  inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
+  inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
+  vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
+  vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
+endif
+
+" Use CTRL-S for selections ranges
+" Requires 'textDocument/selectionRange' support of language server
+nmap <silent> <C-s> <Plug>(coc-range-select)
+xmap <silent> <C-s> <Plug>(coc-range-select)
+
+" Add `:Format` command to format current buffer
+command! -nargs=0 Format :call CocActionAsync('format')
+
+" Add `:Fold` command to fold current buffer
+command! -nargs=? Fold :call     CocAction('fold', <f-args>)
+
+" Add `:OR` command for organize imports of the current buffer
+command! -nargs=0 OR   :call     CocActionAsync('runCommand', 'editor.action.organizeImport')
+
+" Add (Neo)Vim's native statusline support
+" NOTE: Please see `:h coc-status` for integrations with external plugins that
+" provide custom statusline: lightline.vim, vim-airline
+set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}
+
+" Mappings for CoCList
+" Show all diagnostics
+nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
+" Manage extensions
+nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
+" Show commands
+nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
+" Find symbol of current document
+nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
+" Search workspace symbols
+nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
+" Do default action for next item
+nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
+" Do default action for previous item
+nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
+" Resume latest coc list
+nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
 " autoformat code if possible (read docs on vim-autoformat!)
-noremap <leader>f :Autoformat<CR>
+"noremap <leader>f :Autoformat<CR>
 noremap <leader>TM :TableModeToggle<CR>
 
 " multi-cursor
@@ -212,9 +315,6 @@ nnoremap <Leader>f :GFiles<CR>
 " Open Tag-Search
 nnoremap <Leader>t :Tags<CR>
 
-" Open File-Tree on left side
-nmap <C-t> :NERDTreeToggle<CR>
-
 " Expand patterns in Haskell
 "nnoremap <Leader>hc :GhcModSplitFunCase<CR>
 " Expand function signatures in Haskell
@@ -234,12 +334,18 @@ nnoremap <leader>P "+P
 vnoremap <leader>p "+p
 vnoremap <leader>P "+P
 
-" disable syntastic for haskell
-let g:syntastic_haskell_checkers=['']
-
 " Clear stuff
 nnoremap <Leader><Leader> :nohlsearch<CR>:cclose<CR>
 
+" Clojure-Bindings
+" Enable vim-iced's default key mapping
+" This is recommended for newbies
+let g:iced_enable_default_key_mappings = v:true
+let g:sexp_enable_insert_mode_mappings = 0      " stop inserting brackets
+let g:iced_enable_clj_kondo_analysis = v:true   " kondo analysis
+let g:iced_enable_clj_kondo_local_analysis = v:true " also analyse local.
+let g:iced_enable_auto_document = 'any'         " automatically open documentation
+
 " THEME-RELATED STUFF
 
 syntax enable
@@ -258,7 +364,7 @@ autocmd BufRead,BufNewFile *.md setlocal spell complete+=kspell textwidth=80
 autocmd BufRead,BufNewFile *.markdown setlocal spell complete+=kspell textwidth=80
 autocmd BufRead,BufNewFile *.md hi SpellBad guibg=#582828 gui=none
 autocmd BufRead,BufNewFile *.markdown hi SpellBad guibg=#582828 gui=none
-autocmd FileType markdown nnoremap <Leader>t :Toc<CR>
+" autocmd FileType markdown nnoremap <Leader>t :Toc<CR>
 
 " set languages to english and german
 set spelllang=de_de,en_us
@@ -287,38 +393,6 @@ let g:haskell_indent_do               = 3
 let g:haskell_indent_in               = 1
 let g:haskell_indent_guard            = 2
 
-" NERDTREE
-map <C-t> :NERDTreeToggle<CR>
-autocmd StdinReadPre * let s:std_in=1
-let NERDTreeShowHidden=1
-let g:NERDTreeWinSize=45
-let g:NERDTreeAutoDeleteBuffer=1
-
-function! NERDTreeHighlightFile(extension, fg, bg, guifg, guibg)
-exec 'autocmd FileType nerdtree highlight ' . a:extension .' ctermbg='. a:bg .' ctermfg='. a:fg .' guibg='. a:guibg .' guifg='. a:guifg
-exec 'autocmd FileType nerdtree syn match ' . a:extension .' #^\s\+.*'. a:extension .'$#'
-endfunction
-
-call NERDTreeHighlightFile('jade', 'green', 'none', 'green', '#141e23')
-call NERDTreeHighlightFile('ini', 'yellow', 'none', 'yellow', '#141e23')
-call NERDTreeHighlightFile('md', 'blue', 'none', '#3366FF', '#141e23')
-call NERDTreeHighlightFile('yml', 'yellow', 'none', 'yellow', '#141e23')
-call NERDTreeHighlightFile('config', 'yellow', 'none', 'yellow', '#141e23')
-call NERDTreeHighlightFile('conf', 'yellow', 'none', 'yellow', '#141e23')
-call NERDTreeHighlightFile('json', 'yellow', 'none', 'yellow', '#141e23')
-call NERDTreeHighlightFile('html', 'yellow', 'none', 'yellow', '#141e23')
-call NERDTreeHighlightFile('styl', 'cyan', 'none', 'cyan', '#141e23')
-call NERDTreeHighlightFile('css', 'cyan', 'none', 'cyan', '#141e23')
-call NERDTreeHighlightFile('coffee', 'Red', 'none', 'red', '#141e23')
-call NERDTreeHighlightFile('js', 'Red', 'none', '#ffa500', '#141e23')
-call NERDTreeHighlightFile('ts', 'Blue', 'none', '#6699cc', '#141e23')
-call NERDTreeHighlightFile('hs', 'Blue', 'none', '#6699cc', '#141e23')
-call NERDTreeHighlightFile('php', 'Magenta', 'none', '#ff00ff', '#141e23')
-call NERDTreeHighlightFile('ds_store', 'Gray', 'none', '#686868', '#141e23')
-call NERDTreeHighlightFile('gitconfig', 'Gray', 'none', '#686868', '#141e23')
-call NERDTreeHighlightFile('gitignore', 'Gray', 'none', '#686868', '#141e23')
-call NERDTreeHighlightFile('bashrc', 'Gray', 'none', '#686868', '#141e23')
-call NERDTreeHighlightFile('bashprofile', 'Gray', 'none', '#686868', '#141e23')
 
 " SNIPPETS
 
@@ -349,7 +423,7 @@ call NERDTreeHighlightFile('bashprofile', 'Gray', 'none', '#686868', '#141e23')
 "   autocmd FileType html,css EmmetInstall
 
 " AIRLINE
-let g:airline#extensions#tabline#ignore_bufadd_pat = 'gundo|undotree|vimfiler|tagbar|nerd_tree|startify|!'
+let g:airline#extensions#tabline#ignore_bufadd_pat = 'gundo|undotree|vimfiler|tagbar|netrw|startify|!'
 let g:airline#extensions#tabline#enabled = 1
 set hidden
 let g:airline#extensions#tabline#fnamemod = ':t'