diff --git a/apps/dashboard/src/app/(internal)/group/[id]/[memberId]/confirm-delete-group-membership-modal.tsx b/apps/dashboard/src/app/(internal)/group/[id]/[memberId]/confirm-delete-group-membership-modal.tsx
new file mode 100644
index 0000000000..d261a75b9a
--- /dev/null
+++ b/apps/dashboard/src/app/(internal)/group/[id]/[memberId]/confirm-delete-group-membership-modal.tsx
@@ -0,0 +1,19 @@
+import { useConfirmDeleteModal } from "@/components/molecules/ConfirmDeleteModal/confirm-delete-modal"
+import type { GroupMembership } from "@dotkomonline/types"
+import { useDeleteGroupMembershipMutation } from "../../mutations"
+
+export const useConfirmDeleteGroupMembershipModal = () => {
+  const deleteMembership = useDeleteGroupMembershipMutation()
+
+  return ({ groupMembership }: { groupMembership: GroupMembership }) => {
+    return useConfirmDeleteModal({
+      title: "Slett gruppemedlemskap",
+      text: "Er du sikker på at du vil slette dette gruppemedlemskapet?",
+      confirmText: "Slett gruppemedlemskap",
+      cancelText: "Avbryt",
+      onConfirm: () => {
+        deleteMembership.mutate(groupMembership.id)
+      },
+    })
+  }
+}
diff --git a/apps/dashboard/src/app/(internal)/group/[id]/[memberId]/use-group-membership-table.tsx b/apps/dashboard/src/app/(internal)/group/[id]/[memberId]/use-group-membership-table.tsx
index 72e418b28a..84d5f25cc2 100644
--- a/apps/dashboard/src/app/(internal)/group/[id]/[memberId]/use-group-membership-table.tsx
+++ b/apps/dashboard/src/app/(internal)/group/[id]/[memberId]/use-group-membership-table.tsx
@@ -5,6 +5,7 @@ import { createColumnHelper, getCoreRowModel, useReactTable } from "@tanstack/re
 import { formatDate } from "date-fns"
 import { useMemo } from "react"
 import { useEditGroupMembershipModal } from "../../modals/edit-group-membership-modal"
+import { useConfirmDeleteGroupMembershipModal } from "./confirm-delete-group-membership-modal"
 
 interface Props {
   groupMember: GroupMember
@@ -13,6 +14,7 @@ interface Props {
 export const useGroupMembershipTable = ({ groupMember }: Props) => {
   const columnHelper = createColumnHelper<GroupMembership>()
   const openGroupEditModal = useEditGroupMembershipModal()
+  const openConfirmDeleteModal = useConfirmDeleteGroupMembershipModal()
 
   const columns = useMemo(
     () => [
@@ -64,11 +66,36 @@ export const useGroupMembershipTable = ({ groupMember }: Props) => {
             )
           }
 
+          return button
+        },
+      }),
+      columnHelper.accessor((membership) => membership, {
+        id: "delete",
+        header: () => "Slett",
+        cell: (info) => {
+          const groupMembership = info.getValue()
+          const isActive = groupMembership.end === null
+
+          const button = (
+            <Button
+              size="sm"
+              variant="subtle"
+              disabled={isActive}
+              onClick={() => openConfirmDeleteModal({ groupMembership: groupMembership })()}
+            >
+              Slett
+            </Button>
+          )
+
+          if (isActive) {
+            return <Tooltip label="Du kan ikke slette et aktivt gruppemedlemskap.">{button}</Tooltip>
+          }
+
           return button
         },
       }),
     ],
-    [columnHelper, openGroupEditModal]
+    [columnHelper, openGroupEditModal, openConfirmDeleteModal]
   )
 
   return useReactTable({
diff --git a/apps/dashboard/src/app/(internal)/group/mutations.ts b/apps/dashboard/src/app/(internal)/group/mutations.ts
index 68f5df7005..9b31c721df 100644
--- a/apps/dashboard/src/app/(internal)/group/mutations.ts
+++ b/apps/dashboard/src/app/(internal)/group/mutations.ts
@@ -249,6 +249,37 @@ export const useSyncWorkspaceGroupMutation = () => {
   )
 }
 
+export const useDeleteGroupMembershipMutation = () => {
+  const trpc = useTRPC()
+  const queryClient = useQueryClient()
+  const notification = useQueryNotification()
+
+  return useMutation(
+    trpc.group.deleteMembership.mutationOptions({
+      onError: () => {
+        notification.fail({
+          title: "Feil",
+          message: "Det oppsto en feil under sletting av medlemskap.",
+        })
+      },
+      onMutate: () => {
+        notification.loading({
+          title: "Sletter medlemskap",
+          message: "Medlemskapet blir slettet.",
+        })
+      },
+      onSuccess: async (_, input) => {
+        notification.complete({
+          title: "Medlemskap slettet",
+          message: "Medlemskapet har blitt slettet.",
+        })
+
+        await queryClient.invalidateQueries({ queryKey: trpc.group.getMember.queryKey() })
+      },
+    })
+  )
+}
+
 export const useLinkGroupMutation = () => {
   const trpc = useTRPC()
   const queryClient = useQueryClient()
diff --git a/apps/rpc/src/modules/group/group-repository.ts b/apps/rpc/src/modules/group/group-repository.ts
index aef080b33b..0d29cf2733 100644
--- a/apps/rpc/src/modules/group/group-repository.ts
+++ b/apps/rpc/src/modules/group/group-repository.ts
@@ -37,6 +37,7 @@ export interface GroupRepository {
     data: GroupMembershipWrite,
     roleIds: Set<GroupRoleId>
   ): Promise<GroupMembership>
+  deleteMembership(handle: DBHandle, id: GroupMembershipId): Promise<void>
   createRoles(handle: DBHandle, roles: GroupRoleWrite[]): Promise<GroupRole[]>
   updateRole(handle: DBHandle, id: GroupRoleId, role: Partial<GroupRoleWrite>): Promise<GroupRole>
 }
@@ -207,6 +208,13 @@ export function getGroupRepository(): GroupRepository {
         roles: membership.roles.map((role) => role.role),
       })
     },
+    async deleteMembership(handle, id) {
+      await handle.groupMembership.delete({
+        where: {
+          id,
+        },
+      })
+    },
     async createRoles(handle, roles) {
       const rows = await handle.groupRole.createManyAndReturn({
         data: roles,
diff --git a/apps/rpc/src/modules/group/group-router.ts b/apps/rpc/src/modules/group/group-router.ts
index 600b5a9610..04977ee5e3 100644
--- a/apps/rpc/src/modules/group/group-router.ts
+++ b/apps/rpc/src/modules/group/group-router.ts
@@ -83,6 +83,13 @@ export const groupRouter = t.router({
         ctx.groupService.endMembership(handle, input.userId, input.groupId)
       )
     ),
+
+  deleteMembership: staffProcedure
+    .input(GroupMembershipSchema.shape.id)
+    .mutation(async ({ input, ctx }) =>
+      ctx.executeAuditedTransaction(async (handle) => ctx.groupService.deleteMembership(handle, input))
+    ),
+
   updateMembership: staffProcedure
     .input(
       z.object({
diff --git a/apps/rpc/src/modules/group/group-service.ts b/apps/rpc/src/modules/group/group-service.ts
index 7ded994a96..872e8a79a8 100644
--- a/apps/rpc/src/modules/group/group-service.ts
+++ b/apps/rpc/src/modules/group/group-service.ts
@@ -4,6 +4,7 @@ import {
   type GroupId,
   type GroupMember,
   type GroupMembership,
+  type GroupMembershipId,
   type GroupMembershipWrite,
   type GroupRole,
   type GroupRoleId,
@@ -46,6 +47,7 @@ export interface GroupService {
   getAllByMember(handle: DBHandle, userId: UserId): Promise<Group[]>
   startMembership(handle: DBHandle, userId: UserId, groupId: GroupId, roleIds: Set<GroupRoleId>): Promise<GroupMember>
   endMembership(handle: DBHandle, userId: UserId, groupId: GroupId): Promise<GroupMembership[]>
+  deleteMembership(handle: DBHandle, id: GroupMembershipId): Promise<void>
   /**
    * Attempts to update a membership if it doesn't overlap with existing memberships
    *
@@ -204,6 +206,20 @@ export function getGroupService(groupRepository: GroupRepository, userService: U
 
       return await Promise.all(endMembershipPromises)
     },
+
+    async deleteMembership(handle, id) {
+      const membership = await groupRepository.getMembershipById(handle, id)
+      if (!membership) {
+        throw new NotFoundError(`GroupMembership(ID=${id}) not found`)
+      }
+
+      if (!membership.end) {
+        throw new FailedPreconditionError(`Cannot delete active GroupMembership(ID=${id})`)
+      }
+
+      return await groupRepository.deleteMembership(handle, id)
+    },
+
     async updateMembership(handle, id, data, roleIds) {
       const currentMembership = await groupRepository.getMembershipById(handle, id)
       if (!currentMembership) {