diff --git a/src/core/hle/service/ns/query_service.cpp b/src/core/hle/service/ns/query_service.cpp
index a4632cb6c8..1384005415 100644
--- a/src/core/hle/service/ns/query_service.cpp
+++ b/src/core/hle/service/ns/query_service.cpp
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -32,7 +29,7 @@ IQueryService::IQueryService(Core::System& system_) : ServiceFramework{system_,
         {14, nullptr, "QueryRecentlyPlayedApplication"},
         {15, nullptr, "GetRecentlyPlayedApplicationUpdateEvent"},
         {16, nullptr, "QueryApplicationPlayStatisticsByUserAccountIdForSystemV0"},
-        {17, D<&IQueryService::QueryLastPlayTime>, "QueryLastPlayTime"},
+        {17, nullptr, "QueryLastPlayTime"},
         {18, nullptr, "QueryApplicationPlayStatisticsForSystem"},
         {19, nullptr, "QueryApplicationPlayStatisticsByUserAccountIdForSystem"},
     };
@@ -56,13 +53,4 @@ Result IQueryService::QueryPlayStatisticsByApplicationIdAndUserAccountId(
     R_SUCCEED();
 }
 
-Result IQueryService::QueryLastPlayTime(
-    Out<s32> out_entries, u8 unknown,
-    OutArray<LastPlayTime, BufferAttr_HipcMapAlias> out_last_play_times,
-    InArray<s32, BufferAttr_HipcMapAlias> application_ids) {
-    *out_entries = 1;
-    *out_last_play_times = {};
-    R_SUCCEED();
-}
-
 } // namespace Service::NS
diff --git a/src/core/hle/service/ns/query_service.h b/src/core/hle/service/ns/query_service.h
index ba1cddd4ca..c4c82b752e 100644
--- a/src/core/hle/service/ns/query_service.h
+++ b/src/core/hle/service/ns/query_service.h
@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -26,8 +23,6 @@ struct PlayStatistics {
 };
 static_assert(sizeof(PlayStatistics) == 0x28, "PlayStatistics is an invalid size");
 
-struct LastPlayTime {};
-
 class IQueryService final : public ServiceFramework<IQueryService> {
 public:
     explicit IQueryService(Core::System& system_);
@@ -36,9 +31,6 @@ public:
 private:
     Result QueryPlayStatisticsByApplicationIdAndUserAccountId(
         Out<PlayStatistics> out_play_statistics, bool unknown, u64 application_id, Uid account_id);
-    Result QueryLastPlayTime(Out<s32> out_entries, u8 unknown,
-                             OutArray<LastPlayTime, BufferAttr_HipcMapAlias> out_last_play_times,
-                             InArray<s32, BufferAttr_HipcMapAlias> application_ids);
 };
 
 } // namespace Service::NS