diff --git a/regression-test/suites/compaction/test_base_compaction_with_dup_key_max_file_size_limit.groovy b/regression-test/suites/compaction/test_base_compaction_with_dup_key_max_file_size_limit.groovy
index c798256aa0d9eb..bb6318d8f7d009 100644
--- a/regression-test/suites/compaction/test_base_compaction_with_dup_key_max_file_size_limit.groovy
+++ b/regression-test/suites/compaction/test_base_compaction_with_dup_key_max_file_size_limit.groovy
@@ -97,9 +97,9 @@ suite("test_base_compaction_with_dup_key_max_file_size_limit", "p2") {
             String command = sb.toString()
             logger.info(command)
             def process = command.execute()
-            def code = process.waitFor()
-            def err = IOGroovyMethods.getText(new BufferedReader(new InputStreamReader(process.getErrorStream())));
-            def out = process.getText()
+            code = process.waitFor()
+            err = IOGroovyMethods.getText(new BufferedReader(new InputStreamReader(process.getErrorStream())));
+            out = process.getText()
             logger.info("Run compaction: code=" + code + ", out=" + out + ", disableAutoCompaction " + disableAutoCompaction + ", err=" + err)
             if (!disableAutoCompaction) {
                 return "Success, " + out
diff --git a/regression-test/suites/inverted_index_p1/test_show_data.groovy b/regression-test/suites/inverted_index_p1/test_show_data.groovy
index a687e71d60c0e8..648ba67561d411 100644
--- a/regression-test/suites/inverted_index_p1/test_show_data.groovy
+++ b/regression-test/suites/inverted_index_p1/test_show_data.groovy
@@ -566,7 +566,7 @@ suite("test_show_data_with_compaction", "p1") {
     }
 
     def set_be_config = { key, value ->
-        for (String backend_id: backendId_to_backendIP.keySet()) {
+        for (backend_id: backendId_to_backendIP.keySet()) {
             (code, out, err) = update_be_config(backendId_to_backendIP.get(backend_id), backendId_to_backendHttpPort.get(backend_id), key, value)
             logger.info("update config: code=" + code + ", out=" + out + ", err=" + err)
         }