diff --git a/libraries/voltctl.robot b/libraries/voltctl.robot
index 73015c7..4aa50d4 100755
--- a/libraries/voltctl.robot
+++ b/libraries/voltctl.robot
@@ -651,7 +651,6 @@
     ${rc}    ${id}=    Run and Return Rc and Output
     ...    voltctl -c ${VOLTCTL_CONFIG} device list --filter=SerialNumber=${serial_number} --format='{{.Id}}'
     Should Be Equal As Integers    ${rc}    0   "Error while fetching device list from VOLTHA"
-    Should Not Be Equal     ${id}   ${EMPTY}    Cannot find device by Serial Number ${serial_number}
     Log    ${id}
     [Return]    ${id}