inconsequential
Concise Oxford English Dictionary © 2008 Oxford University Press:
inconsequential/ɪnkɒnsɪˈkwenʃl/
▶adjective not important or significant.
– derivatives
inconsequentiality noun (pl. inconsequentialities),
inconsequentially adverb,
inconsequentialness noun.
inconsequentiality noun (pl. inconsequentialities),
inconsequentially adverb,
inconsequentialness noun.
'inconsequential' also found in these Oxford entries:

