Unreferenced symbols defined in CSECTs

Figure 1 shows an example of the Unreferenced Symbols Defined in CSECTs section of the listing. This section contains a list of symbols defined in CSECTs in your program that are not referenced. It helps you remove unnecessary labels and data definitions, and reduce the size of your program. Use the XREF(UNREFS) assembler option to produce this section.
Figure 1. Unreferenced symbols defined in CSECTS
                          Unreferenced Symbols Defined in CSECTs                          Page    9
   1        2 
  Defn  Symbol                                                          HLASM R6.0  2015/02/20 18.42
   110  AR0
   111  AR1
   120  AR10
    91  CR0
    92  CR1
   143  DateOne
   137  Entry1Date
 1 
Shows the statement number that defines the symbol.
 2 
Shows the symbol name.