diff --git a/src/plugins/api/api.ts b/src/plugins/api/api.ts
index 20848054b21..796f7d1b830 100644
--- a/src/plugins/api/api.ts
+++ b/src/plugins/api/api.ts
@@ -1,5 +1,7 @@
+import type { PokerogueApiClearSessionData } from "#app/@types/pokerogue-api";
 import { loggedInUser } from "#app/account";
 import { SESSION_ID_COOKIE_NAME } from "#app/constants";
+import type { SessionSaveData } from "#app/system/game-data";
 import type { RankingEntry, ScoreboardCategory } from "#app/ui/daily-run-scoreboard";
 import { getCookie, removeCookie, setCookie } from "#app/utils";
 import type { AccountInfoResponse } from "./models/AccountInfo";
@@ -251,6 +253,42 @@ export class Api {
     }
   }
 
+  /**
+   * Clears the session savedata of the given slot.
+   * @param slotId The slot ID
+   * @param trainerId The trainer ID
+   * @param sessionId The session ID
+   * @param sessionData The {@linkcode SessionSaveData} object
+   */
+  public async clearSessionSavedata(
+    slotId: number,
+    trainerId: number,
+    sessionId: string,
+    sessionData: SessionSaveData
+  ) {
+    try {
+      const params = new URLSearchParams();
+      params.append("slot", String(slotId));
+      params.append("trainerId", String(trainerId));
+      params.append("clientSessionId", sessionId);
+
+      const response = await this.doPost<SessionSaveData>(`/savedata/session/clear?${params}`, sessionData);
+
+      if (response.ok) {
+        if (loggedInUser) {
+          loggedInUser!.lastSessionSlot = -1;
+        }
+        localStorage.removeItem(`sessionData${slotId > 0 ? slotId : ""}_${loggedInUser?.username}`);
+      }
+
+      return (await response.json()) as PokerogueApiClearSessionData;
+    } catch (err) {
+      console.warn("Could not clear session savedata!", err);
+    }
+
+    return null;
+  }
+
   /**
    * Get the daily rankings for a {@linkcode ScoreboardCategory}.
    * @param category The {@linkcode ScoreboardCategory} to fetch.
diff --git a/src/system/game-data.ts b/src/system/game-data.ts
index f3f32b7805b..4123b9af1c3 100644
--- a/src/system/game-data.ts
+++ b/src/system/game-data.ts
@@ -49,7 +49,6 @@ import { RUN_HISTORY_LIMIT } from "#app/ui/run-history-ui-handler";
 import { applySessionDataPatches, applySettingsDataPatches, applySystemDataPatches } from "#app/system/version-converter";
 import { MysteryEncounterSaveData } from "#app/data/mystery-encounters/mystery-encounter-save-data";
 import { MysteryEncounterType } from "#enums/mystery-encounter-type";
-import { PokerogueApiClearSessionData } from "#app/@types/pokerogue-api";
 import { api } from "#app/plugins/api/api";
 
 export const defaultStarterSpecies: Species[] = [
@@ -1190,17 +1189,10 @@ export class GameData {
       result = [true, true];
     } else {
       const sessionData = this.getSessionSaveData(scene);
-      const response = await Utils.apiPost(`savedata/session/clear?slot=${slotId}&trainerId=${this.trainerId}&secretId=${this.secretId}&clientSessionId=${clientSessionId}`, JSON.stringify(sessionData), undefined, true);
+      const jsonResponse = await api.clearSessionSavedata(slotId, this.trainerId, clientSessionId, sessionData);
 
-      if (response.ok) {
-          loggedInUser!.lastSessionSlot = -1; // TODO: is the bang correct?
-          localStorage.removeItem(`sessionData${this.scene.sessionSlotId ? this.scene.sessionSlotId : ""}_${loggedInUser?.username}`);
-      }
-
-      const jsonResponse: PokerogueApiClearSessionData = await response.json();
-
-      if (!jsonResponse.error) {
-        result = [true, jsonResponse.success ?? false];
+      if (!jsonResponse?.error) {
+        result = [true, jsonResponse?.success ?? false];
       } else {
         if (jsonResponse && jsonResponse.error?.startsWith("session out of date")) {
           this.scene.clearPhaseQueue();