diff --git a/sonar-project.properties b/sonar-project.properties
index 7f08ea24b25..d5e990eb837 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -25,7 +25,15 @@ sonar.exclusions=\
   **/*.png,\
   **/*.gif
 
-sonar.cpd.exclusions=**/src/i18n/strings/*.json
+# Exclude translations and tests from the duplication check
+sonar.cpd.exclusions=\
+  **/src/i18n/strings/*.json,\
+  apps/**/test/**,\
+  apps/**/playwright/**,\
+  packages/**/test/**,\
+  packages/shared-components/src/**/*.stories.tsx,\
+  packages/playwright-common/**
+
 sonar.javascript.lcov.reportPaths=apps/web/coverage/lcov.info,packages/shared-components/coverage/lcov.info
 sonar.coverage.exclusions=\
   apps/web/test/**/*,\