diff --git a/.config/coc/ultisnips/html.snippets b/.config/coc/ultisnips/html.snippets
deleted file mode 100644
index 0d236bf..0000000
--- a/.config/coc/ultisnips/html.snippets
+++ /dev/null
@@ -1,88 +0,0 @@
-# A valid snippet should starts with:
-#
-#		snippet trigger_word [ "description" [ options ] ]
-#
-# and end with:
-#
-#		endsnippet
-#
-# Snippet options:
-#
-#		b - Beginning of line.
-#		i - In-word expansion.
-#		w - Word boundary.
-#		r - Regular expression
-#		e - Custom context snippet
-#		A - Snippet will be triggered automatically, when condition matches.
-#
-# Basic example:
-#
-#		snippet emitter "emitter properties" b
-#		private readonly ${1} = new Emitter<$2>()
-#		public readonly ${1/^_(.*)/$2/}: Event<$2> = this.$2.event
-#		endsnippet
-#
-# Online reference: https://github.com/SirVer/ultisnips/blob/master/doc/UltiSnips.txt
-
-snippet ,b "Bold" A
-<b>$1</b> $2
-endsnippet
-
-snippet ,it "Italics" A
-<em>$1</em> $2
-endsnippet
-
-snippet ,1 "Header 1" A
-<h1>$1</h1>
-$2
-endsnippet
-
-snippet ,2 "Header 2" A
-<h2>$1</h2>
-$2
-endsnippet
-
-snippet ,3 "Header 3" A
-<h3>$1</h3>
-$2
-endsnippet
-
-snippet ,p "Paragraph" A
-<p>$1</p>
-$2
-endsnippet
-
-snippet ,a "Hyperlink" A
-<a href="$1">$2</a> $3
-endsnippet
-
-snippet ,e "External Hyperlink" A
-<a target="_blank" href="$1">$2</a> $3
-endsnippet
-
-snippet ,ul "Itemization" A
-<ul>
-	<li>$1</li>
-	$2
-</ul>
-endsnippet
-
-snippet ,li "List Element" A
-<li>$1</li>
-$2
-endsnippet
-
-snippet ,ol "Enumeration" A
-<ol>
-	<li>$1</li>
-	$2
-</ol>
-endsnippet
-
-snippet ,im "Image" A
-<img src="$1" alt="$2"> $3
-endsnippet
-
-snippet & "Et Sign" A
-&amp; $1
-endsnippet
diff --git a/.config/coc/ultisnips/tex.snippets b/.config/coc/ultisnips/tex.snippets
deleted file mode 100644
index 09962bb..0000000
--- a/.config/coc/ultisnips/tex.snippets
+++ /dev/null
@@ -1,117 +0,0 @@
-# A valid snippet should starts with:
-#
-#		snippet trigger_word [ "description" [ options ] ]
-#
-# and end with:
-#
-#		endsnippet
-#
-# Snippet options:
-#
-#		b - Beginning of line.
-#		i - In-word expansion.
-#		w - Word boundary.
-#		r - Regular expression
-#		e - Custom context snippet
-#		A - Snippet will be triggered automatically, when condition matches.
-#
-# Basic example:
-#
-#		snippet emitter "emitter properties" b
-#		private readonly ${1} = new Emitter<$2>()
-#		public readonly ${1/^_(.*)/$1/}: Event<$2> = this.$1.event
-#		endsnippet
-#
-# Online reference: https://github.com/SirVer/ultisnips/blob/master/doc/UltiSnips.txt
-
-snippet ,fr "Frame" A
-\begin{frame}
-	\frametitle{$1}
-	$2
-\end{frame}
-endsnippet
-
-snippet ,em "Emphasis" A
-\emph{$1}
-endsnippet
-
-snippet ,bf "Bold" A
-\textbf{$1} $2
-endsnippet
-
-snippet ,it "Italic" A
-\textit{$1} $2
-endsnippet
-
-snippet ,ct "Text cite" A
-\textcite{$1} $2
-endsnippet
-
-snippet ,cp "Parenthesis cite" A
-\parencite{$1} $2
-endsnippet
-
-snippet ,ol "Enumeration" A
-\begin{enumerate}
-	\item $1
-	$2
-\end{enumerate}
-endsnippet
-
-snippet ,ul "Itemization" A
-\begin{itemize}
-	\item $1
-	$2
-\end{itemize}
-endsnippet
-
-snippet ,li "List element" A
-\item $1
-$2
-endsnippet
-
-snippet ,ref "Reference" A
-\ref{$1} $2
-endsnippet
-
-snippet ,tab "Tabular" A
-\begin{tabular}
-$1
-\end{tabular}
-endsnippet
-
-snippet ,a "Hyperlink" A
-\href{$1}{$2}
-endsnippet
-
-snippet ,sc "Small caps" A
-\textsc{$1} $2
-endsnippet
-
-snippet ,chap "Chapter" A
-\chapter{$1}
-$2
-endsnippet
-
-snippet ,sec "Section" A
-\section{$1}
-$2
-endsnippet
-
-snippet ,ssec "Subsection" A
-\subsection{$1}
-$2
-endsnippet
-
-snippet ,sssec "Subsubsection" A
-\subsubsection{$1}
-$2
-endsnippet
-
-snippet ,up "Use Packagage" A
-\usepackage{$1}
-endsnippet
-
-snippet ,tt "Typewriter" A
-\texttt{$1} $2
-endsnippet
diff --git a/.config/coc/ultisnips/vim.snippets b/.config/coc/ultisnips/vim.snippets
deleted file mode 100644
index caf3f05..0000000
--- a/.config/coc/ultisnips/vim.snippets
+++ /dev/null
@@ -1,25 +0,0 @@
-# A valid snippet should starts with:
-#
-#		snippet trigger_word [ "description" [ options ] ]
-#
-# and end with:
-#
-#		endsnippet
-#
-# Snippet options:
-#
-#		b - Beginning of line.
-#		i - In-word expansion.
-#		w - Word boundary.
-#		r - Regular expression
-#		e - Custom context snippet
-#		A - Snippet will be triggered automatically, when condition matches.
-#
-# Basic example:
-#
-#		snippet emitter "emitter properties" b
-#		private readonly ${1} = new Emitter<$2>()
-#		public readonly ${1/^_(.*)/$1/}: Event<$2> = this.$1.event
-#		endsnippet
-#
-# Online reference: https://github.com/SirVer/ultisnips/blob/master/doc/UltiSnips.txt
diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index c89be33..11ba0fd 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -62,7 +62,6 @@ autocmd BufWritePre * %s/\s\+$//e
 
 " Plugin section
 call plug#begin('~/.config/nvim/plugged')
-Plug 'neoclide/coc.nvim', {'branch': 'release'} " Autocomplete
 Plug 'lervag/vimtex' , { 'for' : 'tex'} " tex library for coc autocompletion
 Plug 'donRaphaco/neotex', { 'for': 'tex'} " Asynchronous pdf rendering
 Plug 'preservim/nerdtree' " Filetree
@@ -72,23 +71,10 @@ Plug 'FredKSchott/CoVim' "Use vim together
 Plug 'qpkorr/vim-renamer' " Bulk renamer
 call plug#end()
 
-" Coc extensions
-let g:coc_global_extensions = ['coc-snippets', 'coc-vimtex']
-" tab through suggestions
-let g:coc_snippet_next = '<tab>'
-inoremap <silent><expr> <TAB>
-	\ pumvisible() ? "\<C-n>" :
-	\ <SID>check_back_space() ? "\<TAB>" :
-	\ coc#refresh()
-" jump to next placeholder
-inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
-" ending suggestions
-function! s:check_back_space() abort
-	let col = col('.') - 1
-	return !col || getline('.')[col - 1] =~# '\s'
-endfunction
-" expand snippets on enter
-inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<CR>"
+let g:ycm_global_ycm_extra_conf = '/home/tiynger/.config/nvim/ycm_extra_conf.py'
+let g:ycm_semantic_triggers = {
+	\ 'tex' : ['{']
+	\}
 
 "tagbar
 map <F3> :TagbarToggle<CR>
diff --git a/.config/nvim/ycm_extra_conf.py b/.config/nvim/ycm_extra_conf.py
new file mode 100644
index 0000000..8d98a5d
--- /dev/null
+++ b/.config/nvim/ycm_extra_conf.py
@@ -0,0 +1,220 @@
+# This file is NOT licensed under the GPLv3, which is the license for the rest
+# of YouCompleteMe.
+#
+# Here's the license text for this file:
+#
+# This is free and unencumbered software released into the public domain.
+#
+# Anyone is free to copy, modify, publish, use, compile, sell, or
+# distribute this software, either in source code form or as a compiled
+# binary, for any purpose, commercial or non-commercial, and by any
+# means.
+#
+# In jurisdictions that recognize copyright laws, the author or authors
+# of this software dedicate any and all copyright interest in the
+# software to the public domain. We make this dedication for the benefit
+# of the public at large and to the detriment of our heirs and
+# successors. We intend this dedication to be an overt act of
+# relinquishment in perpetuity of all present and future rights to this
+# software under copyright law.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+# For more information, please refer to <http://unlicense.org/>
+
+from distutils.sysconfig import get_python_inc
+import os
+import platform
+import os.path as p
+import subprocess
+
+DIR_OF_THIS_SCRIPT = p.abspath( p.dirname( __file__ ) )
+DIR_OF_THIRD_PARTY = p.join( DIR_OF_THIS_SCRIPT, 'third_party' )
+SOURCE_EXTENSIONS = [ '.cpp', '.cxx', '.cc', '.c', '.m', '.mm' ]
+
+database = None
+
+# These are the compilation flags that will be used in case there's no
+# compilation database set (by default, one is not set).
+# CHANGE THIS LIST OF FLAGS. YES, THIS IS THE DROID YOU HAVE BEEN LOOKING FOR.
+flags = [
+'-Wall',
+'-Wextra',
+'-Werror',
+'-Wno-long-long',
+'-Wno-variadic-macros',
+'-fexceptions',
+'-DNDEBUG',
+# You 100% do NOT need -DUSE_CLANG_COMPLETER and/or -DYCM_EXPORT in your flags;
+# only the YCM source code needs it.
+'-DUSE_CLANG_COMPLETER',
+'-DYCM_EXPORT=',
+# THIS IS IMPORTANT! Without the '-x' flag, Clang won't know which language to
+# use when compiling headers. So it will guess. Badly. So C++ headers will be
+# compiled as C headers. You don't want that so ALWAYS specify the '-x' flag.
+# For a C project, you would set this to 'c' instead of 'c++'.
+'-x',
+'c++',
+'-isystem',
+'cpp/pybind11',
+'-isystem',
+'cpp/whereami',
+'-isystem',
+'cpp/BoostParts',
+'-isystem',
+get_python_inc(),
+'-isystem',
+'cpp/llvm/include',
+'-isystem',
+'cpp/llvm/tools/clang/include',
+'-I',
+'cpp/ycm',
+'-I',
+'cpp/ycm/ClangCompleter',
+'-isystem',
+'cpp/ycm/tests/gmock/gtest',
+'-isystem',
+'cpp/ycm/tests/gmock/gtest/include',
+'-isystem',
+'cpp/ycm/tests/gmock',
+'-isystem',
+'cpp/ycm/tests/gmock/include',
+'-isystem',
+'cpp/ycm/benchmarks/benchmark/include',
+]
+
+# Clang automatically sets the '-std=' flag to 'c++14' for MSVC 2015 or later,
+# which is required for compiling the standard library, and to 'c++11' for older
+# versions.
+if platform.system() != 'Windows':
+  flags.append( '-std=c++11' )
+
+
+# Set this to the absolute path to the folder (NOT the file!) containing the
+# compile_commands.json file to use that instead of 'flags'. See here for
+# more details: http://clang.llvm.org/docs/JSONCompilationDatabase.html
+#
+# You can get CMake to generate this file for you by adding:
+#   set( CMAKE_EXPORT_COMPILE_COMMANDS 1 )
+# to your CMakeLists.txt file.
+#
+# Most projects will NOT need to set this to anything; you can just change the
+# 'flags' list of compilation flags. Notice that YCM itself uses that approach.
+compilation_database_folder = ''
+
+
+def IsHeaderFile( filename ):
+  extension = p.splitext( filename )[ 1 ]
+  return extension in [ '.h', '.hxx', '.hpp', '.hh' ]
+
+
+def FindCorrespondingSourceFile( filename ):
+  if IsHeaderFile( filename ):
+    basename = p.splitext( filename )[ 0 ]
+    for extension in SOURCE_EXTENSIONS:
+      replacement_file = basename + extension
+      if p.exists( replacement_file ):
+        return replacement_file
+  return filename
+
+
+def PathToPythonUsedDuringBuild():
+  try:
+    filepath = p.join( DIR_OF_THIS_SCRIPT, 'PYTHON_USED_DURING_BUILDING' )
+    with open( filepath ) as f:
+      return f.read().strip()
+  except OSError:
+    return None
+
+
+def Settings( **kwargs ):
+  # Do NOT import ycm_core at module scope.
+  import ycm_core
+
+  global database
+  if database is None and p.exists( compilation_database_folder ):
+    database = ycm_core.CompilationDatabase( compilation_database_folder )
+
+  language = kwargs[ 'language' ]
+
+  if language == 'cfamily':
+    # If the file is a header, try to find the corresponding source file and
+    # retrieve its flags from the compilation database if using one. This is
+    # necessary since compilation databases don't have entries for header files.
+    # In addition, use this source file as the translation unit. This makes it
+    # possible to jump from a declaration in the header file to its definition
+    # in the corresponding source file.
+    filename = FindCorrespondingSourceFile( kwargs[ 'filename' ] )
+
+    if not database:
+      return {
+        'flags': flags,
+        'include_paths_relative_to_dir': DIR_OF_THIS_SCRIPT,
+        'override_filename': filename
+      }
+
+    compilation_info = database.GetCompilationInfoForFile( filename )
+    if not compilation_info.compiler_flags_:
+      return {}
+
+    # Bear in mind that compilation_info.compiler_flags_ does NOT return a
+    # python list, but a "list-like" StringVec object.
+    final_flags = list( compilation_info.compiler_flags_ )
+
+    # NOTE: This is just for YouCompleteMe; it's highly likely that your project
+    # does NOT need to remove the stdlib flag. DO NOT USE THIS IN YOUR
+    # ycm_extra_conf IF YOU'RE NOT 100% SURE YOU NEED IT.
+    try:
+      final_flags.remove( '-stdlib=libc++' )
+    except ValueError:
+      pass
+
+    return {
+      'flags': final_flags,
+      'include_paths_relative_to_dir': compilation_info.compiler_working_dir_,
+      'override_filename': filename
+    }
+
+  if language == 'python':
+    return {
+      'interpreter_path': PathToPythonUsedDuringBuild()
+    }
+
+  return {}
+
+
+def PythonSysPath( **kwargs ):
+  sys_path = kwargs[ 'sys_path' ]
+
+  interpreter_path = kwargs[ 'interpreter_path' ]
+  major_version = subprocess.check_output( [
+    interpreter_path, '-c', 'import sys; print( sys.version_info[ 0 ] )' ]
+  ).rstrip().decode( 'utf8' )
+
+  sys_path[ 0:0 ] = [ p.join( DIR_OF_THIS_SCRIPT ),
+                      p.join( DIR_OF_THIRD_PARTY, 'bottle' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'cregex',
+                              'regex_{}'.format( major_version ) ),
+                      p.join( DIR_OF_THIRD_PARTY, 'frozendict' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'jedi' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'parso' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'requests_deps', 'requests' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'requests_deps',
+                                                  'urllib3',
+                                                  'src' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'requests_deps',
+                                                  'chardet' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'requests_deps',
+                                                  'certifi' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'requests_deps',
+                                                  'idna' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'waitress' ) ]
+
+  sys_path.append( p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'numpydoc' ) )
+  return sys_path