diff --git a/etc/checkstyle/checkstyle-suppressions.xml b/etc/checkstyle/checkstyle-suppressions.xml
index e7ddfb19af..2a7db82387 100644
--- a/etc/checkstyle/checkstyle-suppressions.xml
+++ b/etc/checkstyle/checkstyle-suppressions.xml
@@ -81,8 +81,5 @@
 	<suppress files="itest[\\/]" checks="IllegalImport" id="bannedNullabilityImports"/>
 	<suppress files="itest[\\/]" checks="JavadocPackage"/>
 	<suppress files="itest[\\/].*package-info\.java" checks="RegexpMultiline" id="requireNullMarkedInPackageInfo"/>
-	<suppress files="oauth2[\\/]oauth2-authorization-server[\\/]" checks="IllegalImport" id="bannedNullabilityImports"/>
-	<suppress files="oauth2[\\/]oauth2-authorization-server[\\/]" checks="JavadocPackage"/>
-	<suppress files="oauth2[\\/]oauth2-authorization-server[\\/].*package-info\.java" checks="RegexpMultiline" id="requireNullMarkedInPackageInfo"/>
 	<suppress files="saml2[\\/]saml2-service-provider[\\/]" checks="JavadocPackage"/>
 </suppressions>