diff --git a/colors/paper-tonic.lua b/colors/paper-tonic.lua
index cba1887..d57338b 100644
--- a/colors/paper-tonic.lua
+++ b/colors/paper-tonic.lua
@@ -115,7 +115,7 @@ local c_fg_exception   = {'#7c4444', 251, 'gray'}
 
 local c_alert_strong  = {'#d70000', 124, 'darkred'}
 local c_alert         = {'#d75f00', 196, 'red'}
-local c_alert_weak    = {'#d7a100', 203, 'red'}
+local c_alert_weak    = {'#000000', 203, 'red'}
 
 local c_question      = {'#000000', 0, 'black'}
 
@@ -387,31 +387,13 @@ local highlight_groups = {
 	WarningMsg = {fg=c_alert, style='bold'},
 	Question   = {fg=c_question, style='bold'},
 
-	--[[ 4.2.11. LSP ]]
-	LspDiagnosticsDefaultError = 'Error',
-	LspDiagnosticsFloatingError = 'ErrorMsg',
-	LspDiagnosticsSignError = 'LspDiagnosticsFloatingError',
-  LspDiagnosticsLineNrError = 'ErrorMsg',
+	--[[ 4.2.11. Diagnostic ]]
+	DiagnosticHint = 'Hint',
+	DiagnosticWarn = 'Warning',
+	DiagnosticWarning = 'Warning',
+	DiagnosticError = 'Error',
+	DiagnosticInfo = 'Info',
 
-	LspDiagnosticsDefaultWarning = 'Warning',
-	LspDiagnosticsFloatingWarning = 'WarningMsg',
-	LspDiagnosticsSignWarning = 'LspDiagnosticsFloatingWarning',
-  LspDiagnosticsLineNrWarning = 'WarningMsg',
-
-	LspDiagnosticsDefaultHint = 'Hint',
-	LspDiagnosticsFloatingHint = 'HintMsg',
-	LspDiagnosticsSignHint = 'LspDiagnosticsFloatingHint',
-  LspDiagnosticsLineNrHint = 'HintMsg',
-
-	LspDiagnosticsDefaultInformation = 'Info',
-	LspDiagnosticsFloatingInformation = 'InfoMsg',
-	LspDiagnosticsSignInformation = 'LspDiagnosticsFloatingInformation',
-  LspDiagnosticsLineNrInformation = 'InfoMsg',
-
-	LspDiagnosticsUnderlineError = 'CocErrorHighlight',
-	LspDiagnosticsUnderlineHint  = 'CocHintHighlight',
-	LspDiagnosticsUnderlineInfo  = 'CocInfoHighlight',
-	LspDiagnosticsUnderlineWarning = 'CocWarningHighlight',
 
 	--[[ 4.2.12. Cursor ]]
 	Cursor   = {style='inverse'},