diff --git a/web/app/brep/operations/boolean.js b/web/app/brep/operations/boolean.js
index cfaa324f..ce2ed332 100644
--- a/web/app/brep/operations/boolean.js
+++ b/web/app/brep/operations/boolean.js
@@ -522,6 +522,7 @@ function cleanUpSolveData(shell) {
     delete face.data[MY];
     for (let he of face.edges) {
       EdgeSolveData.clear(he);
+      delete he.edge.data[MY];
     }
   }
 }