How to suppress Chrome DevTools warning: 'DevTools failed to load SourceMap: Could not load content for...'

Hide them via console filter like -/(load|parse)\sSourceMap/

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(using a /regexp/ with \s seems to be the only working method of specifying strings with spaces)


In DevTools (F12) -> Settings (F1) :

Disable both "enable JS source maps" and "enable CSS source maps" in "Preferences -> Sources"


If you open DevTools (F12) then look for the cog "Preferences" top/right you can disable "Enable JavaScript source maps" under the Sources section by un-checking that option.

Find the cog (preferences) Find the option