Time-of-flight spectra of the neutron capture events of Nd-142 were measured using a spallation neutron source at the Japan Proton Accelerator Research Complex. The first six resonances of Nd-142 reported in a previous work were not observed. The experimental results and cross-search of resonance energies in nuclear data libraries suggested that resonances of the impurity nuclide Pr-141 have been mistakenly assigned as Nd-142 in the previous experiment. To investigate the impact of the nonexistence of the resonances on the s-process nucleosynthesis model, the Maxwellian averaged neutron capture cross sections with and without the misassigned resonances were compared.