diff --git a/hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/rsql/RSQLUtility.java b/hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/rsql/RSQLUtility.java
index 149209172..b92376a7f 100644
--- a/hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/rsql/RSQLUtility.java
+++ b/hawkbit-repository/hawkbit-repository-jpa/src/main/java/org/eclipse/hawkbit/repository/jpa/rsql/RSQLUtility.java
@@ -153,7 +153,6 @@ public final class RSQLUtility {
         try {
             LOGGER.debug("parsing rsql string {}", rsql);
             final Set<ComparisonOperator> operators = RSQLOperators.defaultOperators();
-            operators.add(new ComparisonOperator("=li=", false));
             return new RSQLParser(operators).parse(rsql);
         } catch (final IllegalArgumentException e) {
             throw new RSQLParameterSyntaxException("rsql filter must not be null", e);