diff --git a/modules/services/groupshare.nix b/modules/services/groupshare.nix
index 53778b21..48b81640 100644
--- a/modules/services/groupshare.nix
+++ b/modules/services/groupshare.nix
@@ -30,7 +30,12 @@ inputs:
         (mountPoint:
         {
           name = mountPoint;
-          value = { device = "/var/lib/groupshare"; options = [ "bind" ]; depends = [ "/home" "/var/lib" ]; };
+          value =
+          {
+            device = "/var/lib/groupshare";
+            options = [ "bind" "private" "x-gvfs-hide" "X-fstrim.notrim" ];
+            depends = [ "/home" "/var/lib" ];
+          };
         })
         groupshare.mountPoints);
     };
diff --git a/modules/services/misskey.nix b/modules/services/misskey.nix
index 04326a87..0b73a132 100644
--- a/modules/services/misskey.nix
+++ b/modules/services/misskey.nix
@@ -58,12 +58,12 @@ inputs:
           "/var/lib/misskey/${instance.name}/work" =
           {
             device = "${inputs.pkgs.localPackages.misskey}";
-            options = [ "bind" "private" "x-gvfs-hide" ];
+            options = [ "bind" "private" "x-gvfs-hide" "X-fstrim.notrim" ];
           };
           "/var/lib/misskey/${instance.name}/work/files" =
           {
             device = "/var/lib/misskey/${instance.name}/files";
-            options = [ "bind" "private" "x-gvfs-hide" ];
+            options = [ "bind" "private" "x-gvfs-hide" "X-fstrim.notrim" ];
           };
         })
         (attrsToList misskey.instances));