diff --git a/Tools/FullChainTests/python/TrfBuilder.py b/Tools/FullChainTests/python/TrfBuilder.py
index 8fcf6210ced58b176164ccc9962f3aac08624c35..3e1386182d65beb368f083f669c02972276dac7d 100644
--- a/Tools/FullChainTests/python/TrfBuilder.py
+++ b/Tools/FullChainTests/python/TrfBuilder.py
@@ -51,9 +51,8 @@ class TrfBuilder:
                 if section == sectionName:  # take only our section for sectionName into account
                     sectionCounter = sectionCounter + 1
                     for option in self.DigiRecoConfig.options(section):  # loop over all settings in specified our section
-                        #pfx += option + '=' \
-                        #pfx += ' --' + option + '=' \
-                        pfx += ' --' + option + ' ' \ # to support multiple values --preExec "AAA:aaa" "BBB:bbb"
+                        # to support multiple values --preExec "AAA:aaa" "BBB:bbb"
+                        pfx += ' --' + option + ' ' \
                             + self.DigiRecoConfig.get(section, option) \
                             + ' '
             if sectionCounter == 0: