diff --git a/constants/role.constant.js b/constants/role.constant.js
index 3915e170..eefdcb8d 100644
--- a/constants/role.constant.js
+++ b/constants/role.constant.js
@@ -42,7 +42,8 @@ const hackerRole = {
 
         Constants.Routes.teamRoutes.join,
         Constants.Routes.teamRoutes.post,
-        Constants.Routes.teamRoutes.get
+        Constants.Routes.teamRoutes.get,
+        Constants.Routes.teamRoutes.leave
     ]
 };
 
diff --git a/constants/routes.constant.js b/constants/routes.constant.js
index b4963104..07e2aa23 100644
--- a/constants/routes.constant.js
+++ b/constants/routes.constant.js
@@ -146,6 +146,10 @@ const teamRoutes = {
         requestType: Constants.REQUEST_TYPES.PATCH,
         uri: "/api/team/join/",
     },
+    "leave": {
+        requestType: Constants.REQUEST_TYPES.PATCH,
+        uri: "/api/team/leave/",
+    },
 };
 
 const volunteerRoutes = {
diff --git a/constants/success.constant.js b/constants/success.constant.js
index e7d5ae2d..7e27bc91 100644
--- a/constants/success.constant.js
+++ b/constants/success.constant.js
@@ -38,6 +38,7 @@ const TEAM_GET_BY_ID = "Team found by id.";
 const TEAM_CREATE = "Team creation successful.";
 const TEAM_JOIN = "Team join successful.";
 const TEAM_READ = "Team retrieval successful.";
+const TEAM_HACKER_LEAVE = "Removal from team successful.";
 
 const VOLUNTEER_CREATE = "Volunteer creation successful.";
 
@@ -79,6 +80,7 @@ module.exports = {
     TEAM_CREATE: TEAM_CREATE,
     TEAM_JOIN: TEAM_JOIN,
     TEAM_READ: TEAM_READ,
+    TEAM_HACKER_LEAVE: TEAM_HACKER_LEAVE,
 
     VOLUNTEER_CREATE: VOLUNTEER_CREATE,
 };
\ No newline at end of file
diff --git a/controllers/team.controller.js b/controllers/team.controller.js
index d84d9acd..ed001a82 100644
--- a/controllers/team.controller.js
+++ b/controllers/team.controller.js
@@ -71,8 +71,24 @@ function createdTeam(req, res) {
     });
 }
 
+/**
+ * @function leftTeam
+ * @param {*} req
+ * @param {*} res
+ * @return {JSON} Success status
+ * @description return success message of removing self from team.
+ */
+
+function leftTeam(req, res) {
+    return res.status(200).json({
+        message: Constants.Success.TEAM_HACKER_LEAVE,
+        data: {},
+    });
+}
+
 module.exports = {
     joinedTeam: joinedTeam,
     createdTeam: createdTeam,
     showTeam: showTeam,
+    leftTeam: leftTeam,
 };
\ No newline at end of file
diff --git a/docs/api/api_data.js b/docs/api/api_data.js
index beef9127..b5d89693 100644
--- a/docs/api/api_data.js
+++ b/docs/api/api_data.js
@@ -2261,6 +2261,43 @@ define({
         "url": "https://api.mchacks.ca/api/team/"
       }]
     },
+    {
+      "type": "patch",
+      "url": "/team/leave/",
+      "title": "Allows a logged in hacker to leave current team",
+      "name": "deleteSelfFromTeam",
+      "group": "Team",
+      "version": "1.1.1",
+      "success": {
+        "fields": {
+          "Success 200": [{
+              "group": "Success 200",
+              "type": "string",
+              "optional": false,
+              "field": "message",
+              "description": "<p>Success message</p>"
+            },
+            {
+              "group": "Success 200",
+              "type": "object",
+              "optional": false,
+              "field": "data",
+              "description": "<p>{}</p>"
+            }
+          ]
+        },
+        "examples": [{
+          "title": "Success-Response: ",
+          "content": "{\n    \"message\": \"Removal from team successful.\", \n    \"data\": {}\n}",
+          "type": "object"
+        }]
+      },
+      "filename": "routes/api/team.js",
+      "groupTitle": "Team",
+      "sampleRequest": [{
+        "url": "https://api.mchacks.ca/api/team/leave/"
+      }]
+    },
     {
       "type": "get",
       "url": "/team/:id",
@@ -2375,9 +2412,6 @@ define({
           "type": "object"
         }]
       },
-      "permission": [{
-        "name": "Administrator"
-      }],
       "filename": "routes/api/team.js",
       "groupTitle": "Team",
       "sampleRequest": [{
diff --git a/docs/api/api_data.json b/docs/api/api_data.json
index 82c5e35e..e8b957cf 100644
--- a/docs/api/api_data.json
+++ b/docs/api/api_data.json
@@ -2260,6 +2260,43 @@
       "url": "https://api.mchacks.ca/api/team/"
     }]
   },
+  {
+    "type": "patch",
+    "url": "/team/leave/",
+    "title": "Allows a logged in hacker to leave current team",
+    "name": "deleteSelfFromTeam",
+    "group": "Team",
+    "version": "1.1.1",
+    "success": {
+      "fields": {
+        "Success 200": [{
+            "group": "Success 200",
+            "type": "string",
+            "optional": false,
+            "field": "message",
+            "description": "<p>Success message</p>"
+          },
+          {
+            "group": "Success 200",
+            "type": "object",
+            "optional": false,
+            "field": "data",
+            "description": "<p>{}</p>"
+          }
+        ]
+      },
+      "examples": [{
+        "title": "Success-Response: ",
+        "content": "{\n    \"message\": \"Removal from team successful.\", \n    \"data\": {}\n}",
+        "type": "object"
+      }]
+    },
+    "filename": "routes/api/team.js",
+    "groupTitle": "Team",
+    "sampleRequest": [{
+      "url": "https://api.mchacks.ca/api/team/leave/"
+    }]
+  },
   {
     "type": "get",
     "url": "/team/:id",
@@ -2374,9 +2411,6 @@
         "type": "object"
       }]
     },
-    "permission": [{
-      "name": "Administrator"
-    }],
     "filename": "routes/api/team.js",
     "groupTitle": "Team",
     "sampleRequest": [{
diff --git a/docs/api/api_project.js b/docs/api/api_project.js
index 45ecedd3..22cdc45c 100644
--- a/docs/api/api_project.js
+++ b/docs/api/api_project.js
@@ -1,16 +1,16 @@
-define({
-  "name": "hackerAPI",
-  "version": "0.0.8",
-  "description": "Documentation for the API used for mchacks",
-  "defaultVersion": "0.0.8",
-  "title": "hackerAPI documentation",
-  "url": "https://api.mchacks.ca/api",
-  "sampleUrl": "https://api.mchacks.ca/api",
-  "apidoc": "0.3.0",
-  "generator": {
-    "name": "apidoc",
-    "time": "2019-01-07T03:26:47.443Z",
-    "url": "http://apidocjs.com",
-    "version": "0.17.7"
-  }
+define({
+  "name": "hackerAPI",
+  "version": "0.0.8",
+  "description": "Documentation for the API used for mchacks",
+  "defaultVersion": "0.0.8",
+  "title": "hackerAPI documentation",
+  "url": "https://api.mchacks.ca/api",
+  "sampleUrl": "https://api.mchacks.ca/api",
+  "apidoc": "0.3.0",
+  "generator": {
+    "name": "apidoc",
+    "time": "2019-01-08T22:07:07.661Z",
+    "url": "http://apidocjs.com",
+    "version": "0.17.7"
+  }
 });
\ No newline at end of file
diff --git a/docs/api/api_project.json b/docs/api/api_project.json
index 5aff4cd2..543c38d6 100644
--- a/docs/api/api_project.json
+++ b/docs/api/api_project.json
@@ -1,16 +1,16 @@
-{
-  "name": "hackerAPI",
-  "version": "0.0.8",
-  "description": "Documentation for the API used for mchacks",
-  "defaultVersion": "0.0.8",
-  "title": "hackerAPI documentation",
-  "url": "https://api.mchacks.ca/api",
-  "sampleUrl": "https://api.mchacks.ca/api",
-  "apidoc": "0.3.0",
-  "generator": {
-    "name": "apidoc",
-    "time": "2019-01-07T03:26:47.443Z",
-    "url": "http://apidocjs.com",
-    "version": "0.17.7"
-  }
+{
+  "name": "hackerAPI",
+  "version": "0.0.8",
+  "description": "Documentation for the API used for mchacks",
+  "defaultVersion": "0.0.8",
+  "title": "hackerAPI documentation",
+  "url": "https://api.mchacks.ca/api",
+  "sampleUrl": "https://api.mchacks.ca/api",
+  "apidoc": "0.3.0",
+  "generator": {
+    "name": "apidoc",
+    "time": "2019-01-08T22:07:07.661Z",
+    "url": "http://apidocjs.com",
+    "version": "0.17.7"
+  }
 }
\ No newline at end of file
diff --git a/middlewares/team.middleware.js b/middlewares/team.middleware.js
index 611e06e0..41386cfe 100644
--- a/middlewares/team.middleware.js
+++ b/middlewares/team.middleware.js
@@ -165,6 +165,34 @@ async function findById(req, res, next) {
     return next();
 }
 
+/**
+ * @async
+ * @function deleteUserFromTeam
+ * @param {{user: {id: ObjectId}} req 
+ * @param {*} res 
+ * @return {JSON} Success or error status
+ * @description Removes the hacker associated with req.user.id from the team under teamId. If hacker is not part of a team, it does nothing.
+ */
+async function deleteUserFromTeam(req, res, next) {
+    const hacker = await Services.Hacker.findByAccountId(req.user.id);
+
+    if (!hacker) {
+        return next({
+            status: 404,
+            message: Constants.Error.HACKER_404_MESSAGE,
+            data: {
+                id: req.user.id
+            }
+        });
+    }
+    const oldTeamId = hacker.teamId;
+    if (oldTeamId) {
+        await Services.Team.removeMember(oldTeamId, hacker._id);
+        await Services.Team.removeTeamIfEmpty(oldTeamId);
+    }
+    next();
+}
+
 /**
  * @async
  * @function updateHackerTeam
@@ -343,7 +371,7 @@ async function parseNewTeam(req, res, next) {
     }
 
     // hacker should not be in another team
-    if (hacker.teamId !== undefined) {
+    if (hacker.teamId !== undefined && hacker.teamId !== null) {
         return next({
             status: 409,
             message: Constants.Error.TEAM_MEMBER_409_MESSAGE,
@@ -366,4 +394,5 @@ module.exports = {
     parseNewTeam: Util.asyncMiddleware(parseNewTeam),
     ensureFreeTeamName: Util.asyncMiddleware(ensureFreeTeamName),
     populateMemberAccountsById: Util.asyncMiddleware(populateMemberAccountsById),
+    deleteUserFromTeam: Util.asyncMiddleware(deleteUserFromTeam),
 };
\ No newline at end of file
diff --git a/routes/api/team.js b/routes/api/team.js
index 03ad14e5..27dd46a9 100644
--- a/routes/api/team.js
+++ b/routes/api/team.js
@@ -72,7 +72,6 @@ module.exports = {
          *          "message": "Team join successful.", 
          *          "data": {}
          *      }
-         * @apiPermission Administrator
          */
         teamRouter.route("/join/").patch(
             Middleware.Auth.ensureAuthenticated(),
@@ -87,6 +86,27 @@ module.exports = {
             Controllers.Team.joinedTeam
         );
 
+        /**
+         * @api {patch} /team/leave/ Allows a logged in hacker to leave current team
+         * @apiName deleteSelfFromTeam
+         * @apiGroup Team
+         * @apiVersion 1.1.1
+         * 
+         * @apiSuccess {string} message Success message
+         * @apiSuccess {object} data {}
+         * @apiSuccessExample {object} Success-Response: 
+         *      {
+         *          "message": "Removal from team successful.", 
+         *          "data": {}
+         *      }
+         */
+        teamRouter.route("/leave").patch(
+            Middleware.Auth.ensureAuthenticated(),
+            Middleware.Auth.ensureAuthorized(),
+            Middleware.Team.deleteUserFromTeam,
+            Controllers.Team.leftTeam
+        );
+
         /**
          * @api {get} /team/:id get a team's information
          * @apiName getTeam
diff --git a/services/team.service.js b/services/team.service.js
index 274a41c2..d79c5112 100644
--- a/services/team.service.js
+++ b/services/team.service.js
@@ -87,11 +87,11 @@ async function removeMember(teamId, hackerId) {
         return null;
     }
 
-    return Team.update({
+    return Team.findOneAndUpdate({
         _id: teamId
     }, {
         $pull: {
-            members: [hackerId]
+            members: hackerId
         }
     });
 }
diff --git a/tests/team.test.js b/tests/team.test.js
index 4e2d590d..cd9358ce 100644
--- a/tests/team.test.js
+++ b/tests/team.test.js
@@ -358,4 +358,38 @@ describe("PATCH change team", function () {
                 });
         });
     });
+
+    it("should SUCCEED and leave a team.", function (done) {
+        util.auth.login(agent, util.account.Account1, (error) => {
+            if (error) {
+                agent.close();
+                return done(error);
+            }
+            return agent
+                .patch(`/api/team/leave/`)
+                .type("application/json")
+                .end(function (err, res) {
+                    res.should.have.status(200);
+                    res.should.be.json;
+                    res.body.should.have.property("message");
+                    res.body.message.should.equal(Constants.Success.TEAM_HACKER_LEAVE);
+                    res.body.should.have.property("data");
+                    done();
+                });
+        });
+    });
+    it("should FAIL to leave a team due to invalid authentication.", function (done) {
+        chai.request(server.app)
+            .patch(`/api/team/leave/`)
+            .type("application/json")
+            .end(function (err, res) {
+                res.should.have.status(401);
+                res.should.be.json;
+                res.body.should.have.property("message");
+                res.body.message.should.equal(Constants.Error.AUTH_401_MESSAGE);
+                res.body.should.have.property("data");
+
+                done();
+            });
+    });
 });
\ No newline at end of file