diff --git a/src/groups.js b/src/groups.js
index cac1a1d6c..4849f712e 100644
--- a/src/groups.js
+++ b/src/groups.js
@@ -11,7 +11,6 @@ exports = module.exports = {
     listWithMembers,
 
     getMembers,
-    addMember,
     setMembers,
     removeMember,
     isMember,
@@ -169,17 +168,6 @@ async function setMembership(userId, groupIds) {
     if (error) throw error;
 }
 
-async function addMember(groupId, userId) {
-    assert.strictEqual(typeof groupId, 'string');
-    assert.strictEqual(typeof userId, 'string');
-
-    const [error] = await safe(database.query('INSERT INTO groupMembers (groupId, userId) VALUES (?, ?)', [ groupId, userId ]));
-    if (error && error.code === 'ER_DUP_ENTRY') throw new BoxError(BoxError.ALREADY_EXISTS, error);
-    if (error && error.code === 'ER_NO_REFERENCED_ROW_2' && error.sqlMessage.includes('userId')) throw new BoxError(BoxError.NOT_FOUND, 'User not found');
-    if (error && error.code === 'ER_NO_REFERENCED_ROW_2') throw new BoxError(BoxError.NOT_FOUND, 'Group not found');
-    if (error) throw error;
-}
-
 async function setMembers(groupId, userIds) {
     assert.strictEqual(typeof groupId, 'string');
     assert(Array.isArray(userIds));
diff --git a/src/test/groups-test.js b/src/test/groups-test.js
index 30d90a981..77591c83f 100644
--- a/src/test/groups-test.js
+++ b/src/test/groups-test.js
@@ -88,30 +88,6 @@ describe('Groups', function () {
             expect(isMember).to.be(false);
         });
 
-        it('can add member to the group', async function () {
-            await groups.addMember(group0Object.id, admin.id);
-        });
-
-        it('cannot add same member to the group', async function () {
-            const [error] = await safe(groups.addMember(group0Object.id, admin.id));
-            expect(error.reason).to.be(BoxError.ALREADY_EXISTS);
-        });
-
-        it('isMember returns true', async function () {
-            const isMember = await groups.isMember(group0Object.id, admin.id);
-            expect(isMember).to.be(true);
-        });
-
-        it('cannot add invalid user to group', async function () {
-            const [error] = await safe(groups.addMember(group0Object.id, 'random'));
-            expect(error.reason).to.be(BoxError.NOT_FOUND);
-        });
-
-        it('cannot add non-existent group', async function () {
-            const [error] = await safe(groups.addMember('randomgroup', admin.id));
-            expect(error.reason).to.be(BoxError.NOT_FOUND);
-        });
-
         it('can set members', async function () {
             await groups.setMembers(group0Object.id, [ admin.id, user.id ]);
         });