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Dark matter could decay into Standard Model particles producing neutrinosdirectly or indirectly. The resulting flux of neutrinos from these decays couldbe detectable at neutrino telescopes and would be associated with massivecelestial objects where dark matter is expected to be accumulated. Recentobservations of high-energy astrophysical neutrinos at IceCube might hint at asignal produced by the decay of TeV to PeV scale dark matter. This analysissearches for neutrinos from decaying dark matter in nearby galaxy clusters andgalaxies. We focus on dark matter masses from 10 TeV to 1 EeV and four decaychannels: $\nu\bar{\nu}$, $\tau^{+}\tau^{-}$, $W^{+}W^{-}$, $b\bar{b}$. Threegalaxy clusters, seven dwarf galaxies, and the Andromeda galaxy are chosen astargets and stacked within the same source class. A well-established IceCubedata sample is used, which contains 11 years of upward-going track-like events.In this contribution, we present preliminary results of the analysis.

Search for Dark Matter Decay in Nearby Galaxy Clusters and Galaxies with IceCube