diff --git a/test/clip-fill-eo-unbounded.image16.rgb24.ref.png b/test/clip-fill-eo-unbounded.image16.ref.png
similarity index 100%
rename from test/clip-fill-eo-unbounded.image16.rgb24.ref.png
rename to test/clip-fill-eo-unbounded.image16.ref.png
diff --git a/test/clip-fill-nz-unbounded.image16.rgb24.ref.png b/test/clip-fill-nz-unbounded.image16.ref.png
similarity index 100%
rename from test/clip-fill-nz-unbounded.image16.rgb24.ref.png
rename to test/clip-fill-nz-unbounded.image16.ref.png