diff --git a/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/10.n1/20.overview/aef_cadre-physique-galilée-transformation-v4.gif b/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/10.n1/20.overview/aef_cadre-physique-galilée-transformation-v4.gif deleted file mode 100644 index b675555a5..000000000 Binary files a/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/10.n1/20.overview/aef_cadre-physique-galilée-transformation-v4.gif and /dev/null differ