fdisk/remove partition

fdisk/remove partition
partition information
partition status type mbytes system usage
D: 1 Pri Dos 7154 Fat 32 49%
2 Ext Dos 7499 51%
Total disk space is 14653 Mb
The extended drive contains logical DOS Drives
Do you want to display logical drive information (y)enter. No logical drives defined.
went to option 3 Delete logical DOS Drives in the extended Dos partition again it tells me no logical drives are defined. HOW DO I DELETE THIS PARTITION