diff --git a/Cargo.lock b/Cargo.lock
index cb5de28b1..9a4a14386 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2015,9 +2015,9 @@ checksum = "b90ca2580b73ab6a1f724b76ca11ab632df820fd6040c336200d2c1df7b3c82c"
 
 [[package]]
 name = "euclid"
-version = "0.22.10"
+version = "0.22.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0f0eb73b934648cd7a4a61f1b15391cd95dab0b4da6e2e66c2a072c144b4a20"
+checksum = "ad9cdb4b747e485a12abb0e6566612956c7a1bafa3bdb8d682c5b6d403589e48"
 dependencies = [
  "arbitrary",
  "mint",
diff --git a/Cargo.toml b/Cargo.toml
index d1dcf6da0..5a05a0811 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -82,7 +82,7 @@ either = { version = "1.10.0", default-features = false }
 # embedded-graphics and embedded-graphics-core must match
 embedded-graphics = "0.8.0"
 embedded-graphics-core = "0.4.0"
-euclid = { version = "0.22.10", default-features = false }
+euclid = { version = "0.22.11", default-features = false }
 exhaust = { version = "0.2.0", default-features = false }
 flume = { version = "0.11.0", default-features = false, features = ["async"] }
 futures-channel = { version = "0.3.28", default-features = false, features = ["alloc"] }
diff --git a/all-is-cubes-wasm/Cargo.lock b/all-is-cubes-wasm/Cargo.lock
index fa65f5fd2..4e0711ed7 100644
--- a/all-is-cubes-wasm/Cargo.lock
+++ b/all-is-cubes-wasm/Cargo.lock
@@ -579,9 +579,9 @@ checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
 [[package]]
 name = "euclid"
-version = "0.22.10"
+version = "0.22.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0f0eb73b934648cd7a4a61f1b15391cd95dab0b4da6e2e66c2a072c144b4a20"
+checksum = "ad9cdb4b747e485a12abb0e6566612956c7a1bafa3bdb8d682c5b6d403589e48"
 dependencies = [
  "mint",
  "num-traits",
diff --git a/all-is-cubes/src/block/modifier/zoom.rs b/all-is-cubes/src/block/modifier/zoom.rs
index 849994894..32ae7b617 100644
--- a/all-is-cubes/src/block/modifier/zoom.rs
+++ b/all-is-cubes/src/block/modifier/zoom.rs
@@ -13,6 +13,7 @@ use crate::universe;
 /// Design note: This is a struct separate from [`Modifier`] so that it can have a
 /// constructor accepting only valid bounds.
 #[derive(Clone, Debug, Eq, Hash, PartialEq)]
+#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
 pub struct Zoom {
     /// Scale factor to zoom in by.
     scale: Resolution,
@@ -154,30 +155,6 @@ impl universe::VisitHandles for Zoom {
     }
 }
 
-#[cfg(feature = "arbitrary")]
-impl<'a> arbitrary::Arbitrary<'a> for Zoom {
-    fn arbitrary(u: &mut arbitrary::Unstructured<'a>) -> arbitrary::Result<Self> {
-        let scale = u.arbitrary()?;
-        let max_offset = GridCoordinate::from(scale) - 1;
-        Ok(Self::new(
-            scale,
-            GridPoint::new(
-                u.int_in_range(0..=max_offset)?,
-                u.int_in_range(0..=max_offset)?,
-                u.int_in_range(0..=max_offset)?,
-            ),
-        ))
-    }
-
-    fn size_hint(depth: usize) -> (usize, Option<usize>) {
-        use arbitrary::{size_hint::and_all, Arbitrary};
-        and_all(&[
-            <Resolution as Arbitrary>::size_hint(depth),
-            <[GridCoordinate; 3] as Arbitrary>::size_hint(depth),
-        ])
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/all-is-cubes/src/block/text.rs b/all-is-cubes/src/block/text.rs
index 079c3c1e2..0c2abb831 100644
--- a/all-is-cubes/src/block/text.rs
+++ b/all-is-cubes/src/block/text.rs
@@ -394,7 +394,6 @@ impl<'a> arbitrary::Arbitrary<'a> for Text {
         // text rendering because that'll be easier.
         // (Another possibility would be to actually restrict `layout_bounds` itself,)
         let layout_bounds = GridAab::checked_from_lower_upper(
-            // euclid::Point3D doesn't implement Arbitrary (just an oversight apparently)
             <[i16; 3]>::arbitrary(u)?.map(i32::from),
             <[u16; 3]>::arbitrary(u)?.map(i32::from),
         )
diff --git a/all-is-cubes/src/space.rs b/all-is-cubes/src/space.rs
index 61f6b3cd0..1299386aa 100644
--- a/all-is-cubes/src/space.rs
+++ b/all-is-cubes/src/space.rs
@@ -1051,6 +1051,7 @@ impl SpaceBehaviorAttachment {
 /// and so an instance of it can be reused for similar spaces (e.g.
 /// [`DEFAULT_FOR_BLOCK`](Self::DEFAULT_FOR_BLOCK)).
 #[derive(Clone, Eq, Hash, PartialEq)]
+#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
 #[non_exhaustive]
 pub struct SpacePhysics {
     /// Gravity vector for moving objects, in cubes/s².
@@ -1106,29 +1107,6 @@ impl Default for SpacePhysics {
     }
 }
 
-#[cfg(feature = "arbitrary")]
-#[mutants::skip]
-impl<'a> arbitrary::Arbitrary<'a> for SpacePhysics {
-    fn arbitrary(u: &mut arbitrary::Unstructured<'a>) -> arbitrary::Result<Self> {
-        Ok(Self {
-            // Vector3D doesn't implement Arbitrary
-            gravity: vec3(u.arbitrary()?, u.arbitrary()?, u.arbitrary()?),
-            sky: u.arbitrary()?,
-            light: u.arbitrary()?,
-        })
-    }
-
-    fn size_hint(depth: usize) -> (usize, Option<usize>) {
-        use arbitrary::{size_hint::and_all, Arbitrary};
-        and_all(&[
-            <f64 as Arbitrary>::size_hint(depth),
-            <f64 as Arbitrary>::size_hint(depth),
-            <Sky as Arbitrary>::size_hint(depth),
-            <LightPhysics as Arbitrary>::size_hint(depth),
-        ])
-    }
-}
-
 /// Method used to compute the illumination of individual blocks in a [`Space`].
 #[non_exhaustive]
 #[derive(Clone, Debug, Eq, Hash, PartialEq)]