diff --git a/core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java b/core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java
index 86a7cb0a0ac..65bb44e9e7e 100644
--- a/core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java
+++ b/core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java
@@ -2702,7 +2702,7 @@ public static SqlOperator like(boolean negated, boolean caseSensitive) {
   /** Returns the operator for {@code FLOOR} and {@code CEIL} with given floor flag
    * and library. */
   public static SqlOperator floorCeil(boolean floor, SqlConformance conformance) {
-    if (SqlConformanceEnum.BIG_QUERY.equals(conformance)) {
+    if (SqlConformanceEnum.BIG_QUERY == conformance) {
       return floor ? SqlLibraryOperators.FLOOR_BIG_QUERY : SqlLibraryOperators.CEIL_BIG_QUERY;
     } else {
       return floor ? SqlStdOperatorTable.FLOOR : SqlStdOperatorTable.CEIL;