diff --git a/PluralKit.API/Controllers/v2/GroupControllerV2.cs b/PluralKit.API/Controllers/v2/GroupControllerV2.cs
index 4a1f32ca..d29a31f9 100644
--- a/PluralKit.API/Controllers/v2/GroupControllerV2.cs
+++ b/PluralKit.API/Controllers/v2/GroupControllerV2.cs
@@ -66,15 +66,20 @@ namespace PluralKit.API
             };
         }
 
-        [HttpDelete("groups/{group_id}")]
-        public async Task<IActionResult> GroupDelete(string group_id)
+        [HttpDelete("groups/{groupRef}")]
+        public async Task<IActionResult> GroupDelete(string groupRef)
         {
-            return new ObjectResult("Unimplemented")
-            {
-                StatusCode = 501
-            };
+            var group = await ResolveGroup(groupRef);
+            if (group == null)
+                throw APIErrors.GroupNotFound;
+
+            var system = await ResolveSystem("@me");
+            if (system.Id != group.System)
+                throw APIErrors.NotOwnGroupError;
+
+            await _repo.DeleteGroup(group.Id);
+
+            return NoContent();
         }
-
-
     }
 }
\ No newline at end of file
diff --git a/PluralKit.API/Controllers/v2/MemberControllerV2.cs b/PluralKit.API/Controllers/v2/MemberControllerV2.cs
index 5b97ce78..38b958d4 100644
--- a/PluralKit.API/Controllers/v2/MemberControllerV2.cs
+++ b/PluralKit.API/Controllers/v2/MemberControllerV2.cs
@@ -67,15 +67,20 @@ namespace PluralKit.API
             };
         }
 
-        [HttpDelete("members/{member}")]
-        public async Task<IActionResult> MemberDelete(string member)
+        [HttpDelete("members/{memberRef}")]
+        public async Task<IActionResult> MemberDelete(string memberRef)
         {
-            return new ObjectResult("Unimplemented")
-            {
-                StatusCode = 501
-            };
+            var member = await ResolveMember(memberRef);
+            if (member == null)
+                throw APIErrors.MemberNotFound;
+
+            var system = await ResolveSystem("@me");
+            if (system.Id != member.System)
+                throw APIErrors.NotOwnMemberError;
+
+            await _repo.DeleteMember(member.Id);
+
+            return NoContent();
         }
-
-
     }
 }
\ No newline at end of file
diff --git a/PluralKit.API/Controllers/v2/SwitchControllerV2.cs b/PluralKit.API/Controllers/v2/SwitchControllerV2.cs
index 56660a0f..f7c2f88c 100644
--- a/PluralKit.API/Controllers/v2/SwitchControllerV2.cs
+++ b/PluralKit.API/Controllers/v2/SwitchControllerV2.cs
@@ -131,13 +131,20 @@ namespace PluralKit.API
             };
         }
 
-        [HttpDelete("systems/{system}/switches/{switch_id}")]
-        public async Task<IActionResult> SwitchDelete(string system, string switch_id)
+        [HttpDelete("systems/@me/switches/{switchRef}")]
+        public async Task<IActionResult> SwitchDelete(string switchRef)
         {
-            return new ObjectResult("Unimplemented")
-            {
-                StatusCode = 501
-            };
+            if (!Guid.TryParse(switchRef, out var switchId))
+                throw APIErrors.SwitchNotFound;
+
+            var system = await ResolveSystem("@me");
+            var sw = await _repo.GetSwitchByUuid(switchId);
+            if (sw == null || system.Id != sw.System)
+                throw APIErrors.SwitchNotFound;
+
+            await _repo.DeleteSwitch(sw.Id);
+
+            return NoContent();
         }
 
     }
diff --git a/PluralKit.API/Errors.cs b/PluralKit.API/Errors.cs
index 600c63de..43fee534 100644
--- a/PluralKit.API/Errors.cs
+++ b/PluralKit.API/Errors.cs
@@ -52,6 +52,8 @@ namespace PluralKit.API
         public static PKError UnauthorizedGroupMemberList = new(403, 30003, "Unauthorized to view group member list");
         public static PKError UnauthorizedCurrentFronters = new(403, 30004, "Unauthorized to view current fronters.");
         public static PKError UnauthorizedFrontHistory = new(403, 30004, "Unauthorized to view front history.");
+        public static PKError NotOwnMemberError = new(403, 40001, "Target member is not part of your system.");
+        public static PKError NotOwnGroupError = new(403, 40002, "Target group is not part of your system.");
         public static PKError Unimplemented = new(501, 50001, "Unimplemented");
     }
 }
\ No newline at end of file