diff --git a/README.md b/README.md
index d19d8a6..06d0912 100644
--- a/README.md
+++ b/README.md
@@ -87,7 +87,7 @@ require'lualine'.setup {
   sections = {
     lualine_a = {'mode'},
     lualine_b = {'branch', 'diff',
-                  {'diagnostics', sources={'nvim_lsp', 'coc', 'ale'}}},
+                  {'diagnostics', sources={'nvim_lsp', 'coc'}}},
     lualine_c = {'filename'},
     lualine_x = {'encoding', 'fileformat', 'filetype'},
     lualine_y = {'progress'},
@@ -319,7 +319,7 @@ sections = {
       'diagnostics',
       -- table of diagnostic sources, available sources:
       -- 'nvim_lsp', 'coc', 'ale', 'vim_lsp'
-      -- Or a function that returns a table like 
+      -- Or a function that returns a table like
       --   {error=error_cnt, warning=warn_cnt, info=info_cnt, hint=hint_cnt}
       sources = {},
       -- displays diagnostics from defined severity
diff --git a/doc/lualine.txt b/doc/lualine.txt
index 8663f4e..a1d2ebc 100644
--- a/doc/lualine.txt
+++ b/doc/lualine.txt
@@ -49,7 +49,7 @@ Default config~
       sections = {
         lualine_a = {'mode'},
         lualine_b = {'branch', 'diff',
-                      {'diagnostics', sources={'nvim_lsp', 'coc', 'ale'}}},
+                      {'diagnostics', sources={'nvim_lsp', 'coc'}}},
         lualine_c = {'filename'},
         lualine_x = {'encoding', 'fileformat', 'filetype'},
         lualine_y = {'progress'},
@@ -250,7 +250,7 @@ Component specific local options~
         'diagnostics',
         -- table of diagnostic sources, available sources:
         -- 'nvim_lsp', 'coc', 'ale', 'vim_lsp'
-        -- Or a function that returns a table like 
+        -- Or a function that returns a table like
         --   {error=error_cnt, warning=warn_cnt, info=info_cnt, hint=hint_cnt}
         sources = {},
         -- displays diagnostics from defined severity
diff --git a/lua/lualine/config.lua b/lua/lualine/config.lua
index d6f0891..74af956 100644
--- a/lua/lualine/config.lua
+++ b/lua/lualine/config.lua
@@ -11,7 +11,7 @@ local config = {
   sections = {
     lualine_a = {'mode'},
     lualine_b = {'branch', 'diff',
-                  {'diagnostics', sources={'nvim_lsp', 'coc', 'ale'}}},
+                  {'diagnostics', sources={'nvim_lsp', 'coc'}}},
     lualine_c = {'filename'},
     lualine_x = {'encoding', 'fileformat', 'filetype'},
     lualine_y = {'progress'},
diff --git a/lua/tests/spec/config_spec.lua b/lua/tests/spec/config_spec.lua
index eb66c0d..a9a9e76 100644
--- a/lua/tests/spec/config_spec.lua
+++ b/lua/tests/spec/config_spec.lua
@@ -110,7 +110,7 @@ describe('config parsing', function()
       local lualine_default_sections = {
         lualine_a = {'mode'},
         lualine_b = {'branch', 'diff',
-                      {'diagnostics', sources={'nvim_lsp', 'coc', 'ale'}}},
+                      {'diagnostics', sources={'nvim_lsp', 'coc'}}},
         lualine_c = {'filename'},
         lualine_x = {'encoding', 'fileformat', 'filetype'},
         lualine_y = {'progress'},