diff --git a/.github/workflows/suppress_warning.py b/.github/workflows/suppress_warning.py
index 718805d31a..f986af6634 100644
--- a/.github/workflows/suppress_warning.py
+++ b/.github/workflows/suppress_warning.py
@@ -1,51 +1,34 @@
 """
 Dictionary of fields that should not appear in translation check warnings
-per each language
+per each language.
 
-each maintainer kindly PR's STR_nnnn he has checked and found being reported
-incorectly
+Each maintainer kindly PRs STR_nnnn they have checked and found being reported
+incorrectly.
 """
 
-SUPPRESS_WARNING = dict()
+from collections import defaultdict
+
+SUPPRESS_WARNING = defaultdict(list)
 """
 This gets imported in translation_check.py, which checks it against all
-languages present in repo.
+languages present in the repo.
 
-Please note: Failing to add new language in this dictionary will cause
-KeyError being raised in translation_check.py and therefore it
-will break GitHub Action job
+Note: Missing languages are automatically handled via defaultdict, so you 
+only need to add entries here if a language has specific warnings to suppress.
 
 Example of population:
 SUPPRESS_WARNING['qq-JJ'] = ['STR_0123', 'STR_5678', 'STR_8900']
 """
 
-SUPPRESS_WARNING['ar-EG'] = []
 SUPPRESS_WARNING['ca-ES'] = ['STR_3247', 'STR_6651', 'STR_6689', 'STR_6744']
-SUPPRESS_WARNING['cs-CZ'] = []
-SUPPRESS_WARNING['da-DK'] = []
-SUPPRESS_WARNING['de-DE'] = []
-SUPPRESS_WARNING['en-US'] = []
+
 SUPPRESS_WARNING['eo-ZZ'] = ['STR_0839', 'STR_0840']
-SUPPRESS_WARNING['es-ES'] = []
-SUPPRESS_WARNING['fi-FI'] = []
-SUPPRESS_WARNING['fr-CA'] = []
+
 # fr-FR uses em dashes (—) instead of en dashes (-) for separators and must have a non-breaking space before colons
 SUPPRESS_WARNING['fr-FR'] = ['STR_1165', 'STR_1333', 'STR_1334', 'STR_2781', 'STR_6229', 'STR_6230', 'STR_6231']
-SUPPRESS_WARNING['gl-ES'] = []
+
 # hu-HU needs to change order of {STRINGID}s for news and research to translate them properly.
 SUPPRESS_WARNING['hu-HU'] = ['STR_2235', 'STR_2289']
-SUPPRESS_WARNING['it-IT'] = []
-SUPPRESS_WARNING['ja-JP'] = []
+
 # ko-KR needs to change order of {STRINGID}s for news and research to translate them properly. STR_1218, 1219 is changed by @AaronVanGeffen at 738e920.
 SUPPRESS_WARNING['ko-KR'] = ['STR_1218', 'STR_1219', 'STR_2235', 'STR_2289']
-SUPPRESS_WARNING['nb-NO'] = []
-SUPPRESS_WARNING['nl-NL'] = []
-SUPPRESS_WARNING['pl-PL'] = []
-SUPPRESS_WARNING['pt-BR'] = []
-SUPPRESS_WARNING['ru-RU'] = []
-SUPPRESS_WARNING['sv-SE'] = []
-SUPPRESS_WARNING['tr-TR'] = []
-SUPPRESS_WARNING['uk-UA'] = []
-SUPPRESS_WARNING['vi-VN'] = []
-SUPPRESS_WARNING['zh-CN'] = []
-SUPPRESS_WARNING['zh-TW'] = []