diff --git a/flatpak/org.gnome.Fractal.json b/flatpak/org.gnome.Fractal.json
index 7b6175e5..6b44a315 100644
--- a/flatpak/org.gnome.Fractal.json
+++ b/flatpak/org.gnome.Fractal.json
@@ -34,7 +34,6 @@
         ],
         "env" : {
             "CARGO_HOME" : "/run/build/Fractal/cargo",
-            "RUSTFLAGS" : "--error-format=short --remap-path-prefix =../",
             "RUST_BACKTRACE" : "1"
         }
     },