diff --git a/packages/turf-flip/index.ts b/packages/turf-flip/index.ts
index ba53101a27..3dcdb212bc 100644
--- a/packages/turf-flip/index.ts
+++ b/packages/turf-flip/index.ts
@@ -1,5 +1,5 @@
 import { coordEach } from "@turf/meta";
-import { isObject, AllGeoJSON } from "@turf/helpers";
+import { isObject, AllGeoJSON, removeBbox } from "@turf/helpers";
 import { clone } from "@turf/clone";
 
 /**
@@ -41,6 +41,7 @@ function flip<T extends AllGeoJSON>(
     coord[0] = y;
     coord[1] = x;
   });
+  removeBbox(geojson);
   return geojson;
 }
 
diff --git a/packages/turf-flip/test.ts b/packages/turf-flip/test.ts
index e299e81361..cc70a496aa 100644
--- a/packages/turf-flip/test.ts
+++ b/packages/turf-flip/test.ts
@@ -44,3 +44,15 @@ test("turf-flip - handle input mutation", (t) => {
   t.deepEqual(geojson, point([40, 120]), "does mutate input");
   t.end();
 });
+
+test("turf-flip - removes stale bbox", (t) => {
+  const input = point([120, 40], {}, { bbox: [120, 40, 120, 40] });
+  const output = flip(input);
+
+  t.equal(output.bbox, undefined, "removes bbox from cloned output");
+  t.deepEqual(input.bbox, [120, 40, 120, 40], "preserves cloned input");
+
+  flip(input, { mutate: true });
+  t.equal(input.bbox, undefined, "removes bbox from mutated input");
+  t.end();
+});
diff --git a/packages/turf-nearest-neighbor-analysis/test/out/brazil-states-bbox.json b/packages/turf-nearest-neighbor-analysis/test/out/brazil-states-bbox.json
index b45d0eb231..7e95793471 100644
--- a/packages/turf-nearest-neighbor-analysis/test/out/brazil-states-bbox.json
+++ b/packages/turf-nearest-neighbor-analysis/test/out/brazil-states-bbox.json
@@ -820,9 +820,6 @@
     },
     {
       "type": "Feature",
-      "bbox": [
-        -73.88208407352717, -33.263575673419844, -34.71777637301956, 5.402352713825728
-      ],
       "properties": {
         "fill-opacity": 0,
         "stroke-width": 5,
diff --git a/packages/turf-nearest-neighbor-analysis/test/out/random-outlier.json b/packages/turf-nearest-neighbor-analysis/test/out/random-outlier.json
index 5425cbb31f..04a2fd6536 100644
--- a/packages/turf-nearest-neighbor-analysis/test/out/random-outlier.json
+++ b/packages/turf-nearest-neighbor-analysis/test/out/random-outlier.json
@@ -1211,7 +1211,6 @@
     },
     {
       "type": "Feature",
-      "bbox": [-15, 38.10372140158265, -8.900609997813907, 45],
       "properties": {
         "fill-opacity": 0,
         "stroke-width": 5,
diff --git a/packages/turf-nearest-neighbor-analysis/test/out/random.json b/packages/turf-nearest-neighbor-analysis/test/out/random.json
index ca8b0b8ec9..0414bd44bb 100644
--- a/packages/turf-nearest-neighbor-analysis/test/out/random.json
+++ b/packages/turf-nearest-neighbor-analysis/test/out/random.json
@@ -1203,9 +1203,6 @@
     },
     {
       "type": "Feature",
-      "bbox": [
-        -9.29867379414539, 38.10372140158265, -8.900609997813907, 38.49492542236455
-      ],
       "properties": {
         "fill-opacity": 0,
         "stroke-width": 5,
diff --git a/packages/turf-nearest-neighbor-analysis/test/out/squares.json b/packages/turf-nearest-neighbor-analysis/test/out/squares.json
index e38b42685d..c8c969839b 100644
--- a/packages/turf-nearest-neighbor-analysis/test/out/squares.json
+++ b/packages/turf-nearest-neighbor-analysis/test/out/squares.json
@@ -1459,9 +1459,6 @@
     },
     {
       "type": "Feature",
-      "bbox": [
-        -9.299992605418552, 38.12013592725509, -8.900007394581449, 38.47986407274493
-      ],
       "properties": {
         "fill-opacity": 0,
         "stroke-width": 5,
diff --git a/packages/turf-projection/index.ts b/packages/turf-projection/index.ts
index d07e24ca27..10c9a4212c 100644
--- a/packages/turf-projection/index.ts
+++ b/packages/turf-projection/index.ts
@@ -1,6 +1,6 @@
 import { Position } from "geojson";
 import { coordEach } from "@turf/meta";
-import { AllGeoJSON, isNumber } from "@turf/helpers";
+import { AllGeoJSON, isNumber, removeBbox } from "@turf/helpers";
 import { clone } from "@turf/clone";
 
 /**
@@ -88,6 +88,7 @@ function convert(
       coord[0] = newCoord[0];
       coord[1] = newCoord[1];
     });
+    removeBbox(geojson);
   }
   return geojson;
 }
diff --git a/packages/turf-projection/test.ts b/packages/turf-projection/test.ts
index 2a6151c8d3..f0476cc4aa 100644
--- a/packages/turf-projection/test.ts
+++ b/packages/turf-projection/test.ts
@@ -129,3 +129,46 @@ test("projection -- handle Position", (t) => {
   t.deepEqual(coord, wgs84, "coord equal same as wgs84");
   t.end();
 });
+
+test("projection -- removes stale bbox", (t) => {
+  const mercatorInput = point([10, 10], {}, { bbox: [10, 10, 10, 10] });
+  const mercatorOutput = toMercator(mercatorInput);
+
+  t.equal(
+    mercatorOutput.bbox,
+    undefined,
+    "toMercator removes bbox from cloned output"
+  );
+  t.deepEqual(
+    mercatorInput.bbox,
+    [10, 10, 10, 10],
+    "toMercator preserves cloned input"
+  );
+
+  toMercator(mercatorInput, { mutate: true });
+  t.equal(
+    mercatorInput.bbox,
+    undefined,
+    "toMercator removes bbox from mutated input"
+  );
+
+  const wgs84Input = point(
+    [1113194.9, 1118890],
+    {},
+    { bbox: [1113194.9, 1118890, 1113194.9, 1118890] }
+  );
+  const wgs84Output = toWgs84(wgs84Input);
+
+  t.equal(
+    wgs84Output.bbox,
+    undefined,
+    "toWgs84 removes bbox from cloned output"
+  );
+  toWgs84(wgs84Input, { mutate: true });
+  t.equal(
+    wgs84Input.bbox,
+    undefined,
+    "toWgs84 removes bbox from mutated input"
+  );
+  t.end();
+});
diff --git a/packages/turf-truncate/index.ts b/packages/turf-truncate/index.ts
index fba1490ffd..d1d09024b8 100644
--- a/packages/turf-truncate/index.ts
+++ b/packages/turf-truncate/index.ts
@@ -1,5 +1,5 @@
 import { coordEach } from "@turf/meta";
-import { AllGeoJSON, isObject } from "@turf/helpers";
+import { AllGeoJSON, isObject, removeBbox } from "@turf/helpers";
 
 /**
  * Takes a GeoJSON Feature or FeatureCollection and truncates the precision of the geometry.
@@ -66,6 +66,7 @@ function truncate<T extends AllGeoJSON>(
   coordEach(geojson, function (coords) {
     truncateCoords(coords, factor, coordinates!);
   });
+  removeBbox(geojson);
   return geojson;
 }
 
diff --git a/packages/turf-truncate/test.ts b/packages/turf-truncate/test.ts
index 74c920d022..8007c7afbd 100644
--- a/packages/turf-truncate/test.ts
+++ b/packages/turf-truncate/test.ts
@@ -76,3 +76,23 @@ test("turf-truncate - prevent input mutation", (t) => {
   t.deepEqual(pt, point([120, 40]), "does mutate input");
   t.end();
 });
+
+test("turf-truncate - removes stale bbox", (t) => {
+  const input = point(
+    [120.123, 40.123],
+    {},
+    { bbox: [120.123, 40.123, 120.123, 40.123] }
+  );
+  const output = truncate(input, { precision: 0 });
+
+  t.equal(output.bbox, undefined, "removes bbox from cloned output");
+  t.deepEqual(
+    input.bbox,
+    [120.123, 40.123, 120.123, 40.123],
+    "preserves cloned input"
+  );
+
+  truncate(input, { precision: 0, mutate: true });
+  t.equal(input.bbox, undefined, "removes bbox from mutated input");
+  t.end();
+});
diff --git a/packages/turf-truncate/test/out/point.geojson b/packages/turf-truncate/test/out/point.geojson
index 951413affc..92b2724253 100644
--- a/packages/turf-truncate/test/out/point.geojson
+++ b/packages/turf-truncate/test/out/point.geojson
@@ -4,7 +4,6 @@
     "precision": 3
   },
   "id": 12345,
-  "bbox": [1, 2, 3, 4],
   "geometry": {
     "type": "Point",
     "coordinates": [-75.7, 45.425]