diff --git a/src/utils/utils.module.js b/src/utils/utils.module.js
index 6d5ef27..6071c8f 100644
--- a/src/utils/utils.module.js
+++ b/src/utils/utils.module.js
@@ -60,37 +60,6 @@ const utils = {
 
   runOnTableOfValues,
 
-  categorizeIntersection(segments) {
-    try {
-      let through, xmin, xmax;
-
-      const n = segments.length;
-
-      const first = segments[0];
-
-      if (n === 1) {
-        through = true;
-        xmin = first.xmin;
-        xmax = first.xmax;
-      } /* n > 1 */ else {
-        const last = segments[n - 1];
-        through = first.direction === last.direction;
-        xmin = Math.min(first.xmin, last.xmin);
-        xmax = Math.max(first.xmax, last.xmax);
-      }
-
-      if (xmin === undefined || xmax === undefined || through === undefined || isNaN(xmin) || isNaN(xmax)) {
-        throw Error("categorizeIntersection failed with xmin", xmin, "and xmax", xmax);
-      }
-
-      return { xmin, xmax, through };
-    } catch (error) {
-      console.error("[categorizeIntersection] segments:", segments);
-      console.error("[categorizeIntersection]", error);
-      throw error;
-    }
-  },
-
   convertToGeojsonIfNecessary(input, debug = false) {
     if (this.isEsriJson(input, debug)) {
       return this.toGeoJSON(input, debug);
diff --git a/src/utils/utils.test.js b/src/utils/utils.test.js
index 2abf6cd..544b405 100644
--- a/src/utils/utils.test.js
+++ b/src/utils/utils.test.js
@@ -122,57 +122,6 @@ test("Test Intersections", ({ eq }) => {
   //eq(intersection.y, 41.641892470257524);
 });
 
-test("Test Categorization of Intersections", ({ eq }) => {
-  // through
-  let segments = [{ xmin: -140, xmax: -140, direction: 1 }];
-  let actual = utils.categorizeIntersection(segments);
-  eq(actual.through, true);
-  eq(actual.xmin, -140);
-  eq(actual.xmax, -140);
-
-  // rebound
-  segments = [
-    { xmin: -140, xmax: -140, direction: 1 },
-    { xmin: -140, xmax: -140, direction: -1 }
-  ];
-  actual = utils.categorizeIntersection(segments);
-  eq(actual.through, false);
-  eq(actual.xmin, -140);
-  eq(actual.xmax, -140);
-
-  // horizontal through
-  segments = [
-    { xmin: -140, xmax: -140, direction: 1 },
-    { xmin: -140, xmax: -130, direction: 0 },
-    { xmin: -130, xmax: -130, direction: 1 }
-  ];
-  actual = utils.categorizeIntersection(segments);
-  eq(actual.through, true);
-  eq(actual.xmin, -140);
-  eq(actual.xmax, -130);
-
-  // horizontal rebound
-  segments = [
-    { xmin: -140, xmax: -140, direction: 1 },
-    { xmin: -140, xmax: -130, direction: 0 },
-    { xmin: -130, xmax: -130, direction: -1 }
-  ];
-  actual = utils.categorizeIntersection(segments);
-  eq(actual.through, false);
-  eq(actual.xmin, -140);
-  eq(actual.xmax, -130);
-
-  // through with stop
-  segments = [
-    { xmin: -140, xmax: -140, direction: 1 },
-    { xmin: -140, xmax: -140, direction: 1 }
-  ];
-  actual = utils.categorizeIntersection(segments);
-  eq(actual.through, true);
-  eq(actual.xmin, -140);
-  eq(actual.xmax, -140);
-});
-
 test("get constructor names", ({ eq }) => {
   eq(utils.getConstructorName(new ArrayBuffer()), "ArrayBuffer");
 });