diff --git a/src/data/ability.ts b/src/data/ability.ts
index eb9e58dbb7e..8f575e08b4e 100644
--- a/src/data/ability.ts
+++ b/src/data/ability.ts
@@ -4183,59 +4183,6 @@ export class PostFaintUnsuppressedWeatherFormChangeAbAttr extends PostFaintAbAtt
   }
 }
 
-/**
- * Clears Desolate Land/Primordial Sea/Delta Stream upon the Pokemon fainting
- */
-export class PostFaintClearWeatherAbAttr extends PostFaintAbAttr {
-
-  /**
-   * @param pokemon The {@linkcode Pokemon} with the ability
-   * @param passive N/A
-   * @param attacker N/A
-   * @param move N/A
-   * @param hitResult N/A
-   * @param args N/A
-   * @returns {boolean} Returns true if the weather clears, otherwise false.
-   */
-  applyPostFaint(pokemon: Pokemon, passive: boolean, simulated: boolean, attacker?: Pokemon, move?: Move, hitResult?: HitResult, ...args: any[]): boolean {
-    const weatherType = globalScene.arena.weather?.weatherType;
-    let turnOffWeather = false;
-
-    // Clear weather only if user's ability matches the weather and no other pokemon has the ability.
-    switch (weatherType) {
-      case (WeatherType.HARSH_SUN):
-        if (pokemon.hasAbility(Abilities.DESOLATE_LAND)
-          && globalScene.getField(true).filter(p => p.hasAbility(Abilities.DESOLATE_LAND)).length === 0) {
-          turnOffWeather = true;
-        }
-        break;
-      case (WeatherType.HEAVY_RAIN):
-        if (pokemon.hasAbility(Abilities.PRIMORDIAL_SEA)
-          && globalScene.getField(true).filter(p => p.hasAbility(Abilities.PRIMORDIAL_SEA)).length === 0) {
-          turnOffWeather = true;
-        }
-        break;
-      case (WeatherType.STRONG_WINDS):
-        if (pokemon.hasAbility(Abilities.DELTA_STREAM)
-          && globalScene.getField(true).filter(p => p.hasAbility(Abilities.DELTA_STREAM)).length === 0) {
-          turnOffWeather = true;
-        }
-        break;
-    }
-
-    if (simulated) {
-      return turnOffWeather;
-    }
-
-    if (turnOffWeather) {
-      globalScene.arena.trySetWeather(WeatherType.NONE, false);
-      return true;
-    }
-
-    return false;
-  }
-}
-
 export class PostFaintContactDamageAbAttr extends PostFaintAbAttr {
   private damageRatio: integer;
 
@@ -5930,19 +5877,16 @@ export function initAbilities() {
       .attr(PostSummonWeatherChangeAbAttr, WeatherType.HEAVY_RAIN)
       .attr(PostBiomeChangeWeatherChangeAbAttr, WeatherType.HEAVY_RAIN)
       .attr(PreLeaveFieldClearWeatherAbAttr)
-      .attr(PostFaintClearWeatherAbAttr)
       .bypassFaint(),
     new Ability(Abilities.DESOLATE_LAND, 6)
       .attr(PostSummonWeatherChangeAbAttr, WeatherType.HARSH_SUN)
       .attr(PostBiomeChangeWeatherChangeAbAttr, WeatherType.HARSH_SUN)
       .attr(PreLeaveFieldClearWeatherAbAttr)
-      .attr(PostFaintClearWeatherAbAttr)
       .bypassFaint(),
     new Ability(Abilities.DELTA_STREAM, 6)
       .attr(PostSummonWeatherChangeAbAttr, WeatherType.STRONG_WINDS)
       .attr(PostBiomeChangeWeatherChangeAbAttr, WeatherType.STRONG_WINDS)
       .attr(PreLeaveFieldClearWeatherAbAttr)
-      .attr(PostFaintClearWeatherAbAttr)
       .bypassFaint(),
     new Ability(Abilities.STAMINA, 7)
       .attr(PostDefendStatStageChangeAbAttr, (target, user, move) => move.category !== MoveCategory.STATUS, Stat.DEF, 1),