diff --git a/source/blender/blenkernel/BKE_mesh_boolean_convert.hh b/source/blender/blenkernel/BKE_mesh_boolean_convert.hh
index a006550e5ca..51c74691f8a 100644
--- a/source/blender/blenkernel/BKE_mesh_boolean_convert.hh
+++ b/source/blender/blenkernel/BKE_mesh_boolean_convert.hh
@@ -19,8 +19,7 @@ namespace blender::meshintersect {
 
 /**
  * Do a mesh boolean operation directly on meshes (without going back and forth from BMesh).
- * \param transforms: An array of pointers to transform matrices used for each mesh's positions.
- * It is allowed for the pointers to be null, meaning the transformation is the identity.
+ * \param transforms: An array of transform matrices used for each mesh's positions.
  * \param material_remaps: An array of maps from material slot numbers in the corresponding mesh
  * to the material slot in the first mesh. It is OK for material_remaps or any of its constituent
  * arrays to be empty. A -1 value means that the original index should be used with no mapping.
@@ -28,7 +27,7 @@ namespace blender::meshintersect {
  * 'new' edges are the result of the intersections.
  */
 Mesh *direct_mesh_boolean(Span<const Mesh *> meshes,
-                          Span<const float4x4 *> transforms,
+                          Span<float4x4> transforms,
                           const float4x4 &target_transform,
                           Span<Array<short>> material_remaps,
                           bool use_self,
diff --git a/source/blender/blenkernel/intern/mesh_boolean_convert.cc b/source/blender/blenkernel/intern/mesh_boolean_convert.cc
index 49518c874ee..c395218f120 100644
--- a/source/blender/blenkernel/intern/mesh_boolean_convert.cc
+++ b/source/blender/blenkernel/intern/mesh_boolean_convert.cc
@@ -233,7 +233,7 @@ void MeshesToIMeshInfo::input_medge_for_orig_index(int orig_index,
  * All allocation of memory for the IMesh comes from `arena`.
  */
 static IMesh meshes_to_imesh(Span<const Mesh *> meshes,
-                             Span<const float4x4 *> obmats,
+                             Span<float4x4> obmats,
                              Span<Array<short>> material_remaps,
                              const float4x4 &target_transform,
                              IMeshArena &arena,
@@ -295,9 +295,8 @@ static IMesh meshes_to_imesh(Span<const Mesh *> meshes,
     r_info->mesh_face_offset[mi] = f;
     /* Get matrix that transforms a coordinate in meshes[mi]'s local space
      * to the target space. */
-    const float4x4 objn_mat = (obmats.is_empty() || obmats[mi] == nullptr) ?
-                                  float4x4::identity() :
-                                  clean_transform(*obmats[mi]);
+    const float4x4 objn_mat = obmats.is_empty() ? float4x4::identity() :
+                                                  clean_transform(obmats[mi]);
     r_info->to_target_transform[mi] = inv_target_mat * objn_mat;
     r_info->has_negative_transform[mi] = math::is_negative(objn_mat);
 
@@ -316,7 +315,7 @@ static IMesh meshes_to_imesh(Span<const Mesh *> meshes,
      * Skip the matrix multiplication for each point when there is no transform for a mesh,
      * for example when the first mesh is already in the target space. (Note the logic
      * directly above, which uses an identity matrix with a null input transform). */
-    if (obmats.is_empty() || obmats[mi] == nullptr) {
+    if (obmats.is_empty() || obmats[mi] == float4x4::identity()) {
       threading::parallel_for(vert_positions.index_range(), 2048, [&](IndexRange range) {
         for (int i : range) {
           float3 co = vert_positions[i];
@@ -797,7 +796,7 @@ static Mesh *imesh_to_mesh(IMesh *im, MeshesToIMeshInfo &mim)
 #endif  // WITH_GMP
 
 Mesh *direct_mesh_boolean(Span<const Mesh *> meshes,
-                          Span<const float4x4 *> transforms,
+                          Span<float4x4> transforms,
                           const float4x4 &target_transform,
                           Span<Array<short>> material_remaps,
                           const bool use_self,
diff --git a/source/blender/modifiers/intern/MOD_boolean.cc b/source/blender/modifiers/intern/MOD_boolean.cc
index 9a21d80fda5..59e0458542d 100644
--- a/source/blender/modifiers/intern/MOD_boolean.cc
+++ b/source/blender/modifiers/intern/MOD_boolean.cc
@@ -415,7 +415,7 @@ static Mesh *exact_boolean_mesh(BooleanModifierData *bmd,
                                 Mesh *mesh)
 {
   Vector<const Mesh *> meshes;
-  Vector<float4x4 *> obmats;
+  Vector<float4x4> obmats;
 
   Vector<Array<short>> material_remaps;
 
@@ -428,7 +428,7 @@ static Mesh *exact_boolean_mesh(BooleanModifierData *bmd,
   }
 
   meshes.append(mesh);
-  obmats.append((float4x4 *)&ctx->object->object_to_world);
+  obmats.append(float4x4(ctx->object->object_to_world));
   material_remaps.append({});
 
   const BooleanModifierMaterialMode material_mode = BooleanModifierMaterialMode(
@@ -451,7 +451,7 @@ static Mesh *exact_boolean_mesh(BooleanModifierData *bmd,
     }
     BKE_mesh_wrapper_ensure_mdata(mesh_operand);
     meshes.append(mesh_operand);
-    obmats.append((float4x4 *)&bmd->object->object_to_world);
+    obmats.append(float4x4(bmd->object->object_to_world));
     if (material_mode == eBooleanModifierMaterialMode_Index) {
       material_remaps.append(get_material_remap_index_based(ctx->object, bmd->object));
     }
@@ -471,7 +471,7 @@ static Mesh *exact_boolean_mesh(BooleanModifierData *bmd,
           }
           BKE_mesh_wrapper_ensure_mdata(collection_mesh);
           meshes.append(collection_mesh);
-          obmats.append((float4x4 *)&ob->object_to_world);
+          obmats.append(float4x4(ob->object_to_world));
           if (material_mode == eBooleanModifierMaterialMode_Index) {
             material_remaps.append(get_material_remap_index_based(ctx->object, ob));
           }
@@ -489,7 +489,7 @@ static Mesh *exact_boolean_mesh(BooleanModifierData *bmd,
   Mesh *result = blender::meshintersect::direct_mesh_boolean(
       meshes,
       obmats,
-      *(float4x4 *)&ctx->object->object_to_world,
+      float4x4(ctx->object->object_to_world),
       material_remaps,
       use_self,
       hole_tolerant,