diff --git a/services/minecraft.nix b/services/minecraft.nix
index 434c73b..adfd500 100644
--- a/services/minecraft.nix
+++ b/services/minecraft.nix
@@ -43,15 +43,9 @@
         # Memory
         "-Xmx${builtins.toString service_configs.minecraft.memory.heap_size_m}M"
         "-Xms${builtins.toString service_configs.minecraft.memory.heap_size_m}M"
-
         # GC
         "-XX:+UseZGC"
         "-XX:+ZGenerational"
-
-        # added in new minecraft version
-        "-XX:+UseCompactObjectHeaders"
-        "-XX:+UseStringDeduplication"
-
         # Base JVM optimizations (brucethemoose/Minecraft-Performance-Flags-Benchmarks)
         "-XX:+UnlockExperimentalVMOptions"
         "-XX:+UnlockDiagnosticVMOptions"
@@ -73,7 +67,6 @@
         "-XX:NonProfiledCodeHeapSize=194M"
         "-XX:NmethodSweepActivity=1"
         "-XX:+UseVectorCmov"
-
         # Large pages (requires vm.nr_hugepages sysctl)
         "-XX:+UseLargePages"
         "-XX:LargePageSizeInBytes=${builtins.toString service_configs.minecraft.memory.large_page_size_m}M"