diff --git a/crates/fj-interop/src/debug.rs b/crates/fj-interop/src/debug.rs
deleted file mode 100644
index 035d1a23a..000000000
--- a/crates/fj-interop/src/debug.rs
+++ /dev/null
@@ -1,50 +0,0 @@
-//! Debug information definitions for the Fornjot ecosystem
-//!
-//! Defines debug information that is used by other crates within the Fornjot
-//! ecosystem. The types in here aren't very useful in themselves, but they
-//! define an interface that other crates use to communicate between each other.
-
-use fj_math::{Point, Segment};
-
-/// Debug info from the CAD kernel that can be visualized
-#[derive(Clone, Debug, Default)]
-pub struct DebugInfo {
-    /// Rays being used during face triangulation
-    pub triangle_edge_checks: Vec<TriangleEdgeCheck>,
-}
-
-impl DebugInfo {
-    /// Construct an empty instance of `DebugInfo`
-    pub fn new() -> Self {
-        Self::default()
-    }
-
-    /// Clear all information within this instance
-    ///
-    /// The resulting instance is the same, as if created by [`DebugInfo::new`],
-    /// but calling `clear` might be more efficient in regard to heap
-    /// allocations.
-    pub fn clear(&mut self) {
-        self.triangle_edge_checks.clear();
-    }
-}
-
-/// Record of a check to determine if a triangle edge is within a face
-#[derive(Clone, Debug)]
-pub struct TriangleEdgeCheck {
-    /// The origin of the ray used to perform the check
-    pub origin: Point<3>,
-
-    /// The points where the ray hit edges of the face
-    pub hits: Vec<Segment<3>>,
-}
-
-impl TriangleEdgeCheck {
-    /// Construct a new instance
-    pub fn new(origin: Point<3>) -> Self {
-        Self {
-            origin,
-            hits: Vec::new(),
-        }
-    }
-}
diff --git a/crates/fj-interop/src/lib.rs b/crates/fj-interop/src/lib.rs
index e2f455476..dc518515b 100644
--- a/crates/fj-interop/src/lib.rs
+++ b/crates/fj-interop/src/lib.rs
@@ -11,7 +11,6 @@
 
 #![warn(missing_docs)]
 
-pub mod debug;
 pub mod ext;
 pub mod mesh;
 pub mod processed_shape;
diff --git a/crates/fj-interop/src/processed_shape.rs b/crates/fj-interop/src/processed_shape.rs
index 6a112bd7d..5abe29c1f 100644
--- a/crates/fj-interop/src/processed_shape.rs
+++ b/crates/fj-interop/src/processed_shape.rs
@@ -2,7 +2,7 @@
 
 use fj_math::{Aabb, Point};
 
-use crate::{debug::DebugInfo, mesh::Mesh};
+use crate::mesh::Mesh;
 
 /// A processed shape
 #[derive(Clone, Debug)]
@@ -12,7 +12,4 @@ pub struct ProcessedShape {
 
     /// The triangle mesh that approximates the original shape
     pub mesh: Mesh<Point<3>>,
-
-    /// The debug info generated while processing the shape
-    pub debug_info: DebugInfo,
 }
diff --git a/crates/fj-window/src/display.rs b/crates/fj-window/src/display.rs
index 93fd1fab0..cc06b8790 100644
--- a/crates/fj-window/src/display.rs
+++ b/crates/fj-window/src/display.rs
@@ -1,6 +1,4 @@
-use fj_interop::{
-    debug::DebugInfo, mesh::Mesh, processed_shape::ProcessedShape,
-};
+use fj_interop::{mesh::Mesh, processed_shape::ProcessedShape};
 use fj_math::{Aabb, Point};
 use fj_viewer::{
     InputEvent, NormalizedScreenPosition, RendererInitError, Screen,
@@ -27,7 +25,6 @@ pub fn display(mesh: Mesh<Point<3>>, invert_zoom: bool) -> Result<(), Error> {
     viewer.handle_shape_update(ProcessedShape {
         aabb: Aabb::<3>::from_points(mesh.vertices()),
         mesh,
-        debug_info: DebugInfo::new(),
     });
 
     let mut held_mouse_button = None;