diff --git a/packages/excavator-projects/projects/designerSweatpants.ts b/packages/excavator-projects/projects/designerSweatpants.ts
index 8f18ecd..bebc00b 100644
--- a/packages/excavator-projects/projects/designerSweatpants.ts
+++ b/packages/excavator-projects/projects/designerSweatpants.ts
@@ -1,15 +1,7 @@
-import {
-  currentRound,
-  Item,
-  equippedItem,
-  Slot,
-  myLocation,
-  getProperty,
-  setProperty,
-} from "kolmafia";
+import { currentRound, Item, equippedItem, Slot, myLocation } from "kolmafia";
 
 import { ExcavatorProject } from "../type";
-import { toNormalisedString } from "../utils";
+import { shouldDiscardData, toNormalisedString } from "../utils";
 
 function spadeSweatpants(encounter: string, page: string) {
   if (currentRound() !== 0) return null;
@@ -25,15 +17,7 @@ function spadeSweatpants(encounter: string, page: string) {
   if (!sweat) return null;
 
   const location = toNormalisedString(myLocation());
-  const reportedLocations = getProperty("excavatorSweatpantsLocations").split(
-    "|",
-  );
-  if (reportedLocations.includes(location)) return null;
-
-  setProperty(
-    "excavatorSweatpantsLocations",
-    [...reportedLocations, location].join("|"),
-  );
+  if (shouldDiscardData("_excavatorSweatpantsLocations", location)) return null;
 
   return {
     location,
diff --git a/packages/excavator-projects/projects/mummingTrunk.ts b/packages/excavator-projects/projects/mummingTrunk.ts
index 28ce06f..6e835ef 100644
--- a/packages/excavator-projects/projects/mummingTrunk.ts
+++ b/packages/excavator-projects/projects/mummingTrunk.ts
@@ -1,7 +1,7 @@
 import { Item, availableAmount, getProperty, myFamiliar } from "kolmafia";
 
 import { ExcavatorProject } from "../type";
-import { notNull } from "../utils";
+import { notNull, shouldDiscardData } from "../utils";
 
 export const MUMMING_TRUNK: ExcavatorProject = {
   name: "Mumming Trunk",
@@ -135,6 +135,8 @@ function spadeMummingTrunk(encounter: string, page: string) {
       );
 
       if (!match) return null;
+      if (shouldDiscardData("_excavatorMummingTrunk", `${fam.id}:${match[0]}`))
+        return null;
 
       return {
         attribute: match[0],
diff --git a/packages/excavator-projects/utils.ts b/packages/excavator-projects/utils.ts
index 9fc6fd3..273ce5d 100644
--- a/packages/excavator-projects/utils.ts
+++ b/packages/excavator-projects/utils.ts
@@ -2,6 +2,7 @@ import {
   canInteract,
   Effect,
   gamedayToInt,
+  getProperty,
   haveEffect,
   haveEquipped,
   inHardcore,
@@ -15,6 +16,7 @@ import {
   myLocation,
   myPath,
   Path,
+  setProperty,
 } from "kolmafia";
 
 const ALTERING_EFFECTS = Effect.get([
@@ -86,3 +88,11 @@ export function toNormalisedString(thing: Item | Monster | Location) {
 export function notNull<T>(value: T | null): value is T {
   return value !== null;
 }
+
+export function shouldDiscardData(property: string, data: string) {
+  const sentData = getProperty(property).split("|");
+  if (sentData.includes(data)) return true;
+
+  setProperty(property, [...sentData, data].join("|"));
+  return false;
+}