diff --git a/app/controllers/client_api/teams/teams_controller.rb b/app/controllers/client_api/teams/teams_controller.rb
index 45e295bc0..c38ae0fad 100644
--- a/app/controllers/client_api/teams/teams_controller.rb
+++ b/app/controllers/client_api/teams/teams_controller.rb
@@ -31,7 +31,6 @@ module ClientApi
                                                    current_user: current_user,
                                                    params: team_params)
         team_service.update_team!
-
         success_response('/client_api/teams/update_details',
                          team_service.single_team_details_data)
       rescue ClientApi::CustomTeamError => error
diff --git a/app/controllers/client_api/users/user_teams_controller.rb b/app/controllers/client_api/users/user_teams_controller.rb
index 5ad2ad18d..bf66fa4ff 100644
--- a/app/controllers/client_api/users/user_teams_controller.rb
+++ b/app/controllers/client_api/users/user_teams_controller.rb
@@ -29,6 +29,19 @@ module ClientApi
         unsuccess_response(error.to_s)
       end
 
+      def remove_user
+        ut_service = ClientApi::UserTeamService.new(
+          user: current_user,
+          team_id: params[:team],
+          user_team_id: params[:user_team]
+        )
+        ut_service.destroy_user_team_and_assign_new_team_owner!
+        success_response('/client_api/teams/team_users',
+                         ut_service.team_users_data)
+      rescue ClientApi::CustomUserTeamError => error
+        unsuccess_response(error.to_s)
+      end
+
       private
 
       def success_response(template, locals)
diff --git a/app/javascript/packs/app/routes.js b/app/javascript/packs/app/routes.js
index dec11c714..4d8f1dae9 100644
--- a/app/javascript/packs/app/routes.js
+++ b/app/javascript/packs/app/routes.js
@@ -27,6 +27,7 @@ export const CONTACT_US_LINK =
 // user teams
 export const LEAVE_TEAM_PATH = "/client_api/users/leave_team";
 export const UPDATE_USER_TEAM_ROLE_PATH = "/client_api/users/update_role";
+export const REMOVE_USER_FROM_TEAM_PATH = "/client_api/users/remove_user";
 
 // settings
 export const SETTINGS_ACCOUNT_PROFILE = "/settings/account/profile";
diff --git a/app/javascript/packs/locales/messages.js b/app/javascript/packs/locales/messages.js
index 9989ee23f..548a26733 100644
--- a/app/javascript/packs/locales/messages.js
+++ b/app/javascript/packs/locales/messages.js
@@ -70,6 +70,15 @@ export default {
         warning_message_three: "all repository protocols in the team belonging to you will be reassigned onto a new owner from team administrators.",
         leave_team: "Leave"
       },
+      remove_user_modal: {
+        title: "Remove user {user} from team {team}",
+        subtitle: "Are you sure you wish to remove user {user} from team {team}?",
+        warnings: "Removing user from team has following consequences:",
+        warning_message_one: "user will lose access to all content belonging to the team (including projects, tasks, protocols and activities);",
+        warning_message_two: "all projects in the team where user was the sole <b>Owner</b> will be reassigned onto you as a new owner;",
+        warning_message_three: "all repository protocols in the team belonging to user will be reassigned onto you.",
+        remove_user: "Remove user"
+      },
       update_team_description_modal: {
         title: "Edit team description",
         label: "Description"
diff --git a/app/javascript/packs/src/settings/components/team/SettingsTeamPageContainer.jsx b/app/javascript/packs/src/settings/components/team/SettingsTeamPageContainer.jsx
index eb19963d4..921af9d21 100644
--- a/app/javascript/packs/src/settings/components/team/SettingsTeamPageContainer.jsx
+++ b/app/javascript/packs/src/settings/components/team/SettingsTeamPageContainer.jsx
@@ -163,7 +163,7 @@ class SettingsTeamPageContainer extends Component {
         <TeamsMembers
           members={this.state.users}
           updateUsersCallback={this.updateUsersCallback}
-          teamId={this.state.team.id}
+          team={this.state.team}
         />
         <UpdateTeamDescriptionModal
           showModal={this.state.showModal}
diff --git a/app/javascript/packs/src/settings/components/team/components/RemoveUserModal.jsx b/app/javascript/packs/src/settings/components/team/components/RemoveUserModal.jsx
new file mode 100644
index 000000000..83c75838e
--- /dev/null
+++ b/app/javascript/packs/src/settings/components/team/components/RemoveUserModal.jsx
@@ -0,0 +1,99 @@
+import React, { Component } from "react";
+import PropTypes, { bool, number, string, func } from "prop-types";
+import { Modal, Button, Alert, Glyphicon } from "react-bootstrap";
+import { FormattedMessage, FormattedHTMLMessage } from "react-intl";
+
+import axios from "../../../../../app/axios";
+
+import { REMOVE_USER_FROM_TEAM_PATH } from "../../../../../app/routes";
+
+class RemoveUserModal extends Component {
+  constructor(props) {
+    super(props);
+    this.onCloseModal = this.onCloseModal.bind(this);
+    this.removeUser = this.removeUser.bind(this);
+  }
+
+  onCloseModal() {
+    this.props.hideModal();
+  }
+
+  removeUser() {
+    const { team_id, team_user_id } = this.props.userToRemove;
+    axios({
+      method: "DELETE",
+      url: REMOVE_USER_FROM_TEAM_PATH,
+      withCredentials: true,
+      data: {
+        team: team_id,
+        user_team: team_user_id
+      }
+    })
+      .then(response => {
+        this.props.updateUsersCallback(response.data.team_users);
+        this.props.hideModal();
+      })
+      .catch(error => console.log(error));
+  }
+
+  render() {
+    const { teamName, userName } = this.props.userToRemove;
+    return (
+      <Modal show={this.props.showModal} onHide={this.onCloseModal}>
+        <Modal.Header closeButton>
+          <Modal.Title>
+            <FormattedMessage
+              id="settings_page.remove_user_modal.title"
+              values={{ user: userName, team: teamName }}
+            />
+          </Modal.Title>
+        </Modal.Header>
+        <Modal.Body>
+          <p>
+            <FormattedMessage
+              id="settings_page.remove_user_modal.subtitle"
+              values={{ user: userName, team: teamName }}
+            />
+          </p>
+          <Alert bsStyle="danger">
+            <Glyphicon glyph="exclamation-sign" />&nbsp;
+            <FormattedMessage id="settings_page.remove_user_modal.warnings" />
+            <ul>
+              <li>
+                <FormattedMessage id="settings_page.remove_user_modal.warning_message_one" />
+              </li>
+              <li>
+                <FormattedHTMLMessage id="settings_page.remove_user_modal.warning_message_two" />
+              </li>
+              <li>
+                <FormattedMessage id="settings_page.remove_user_modal.warning_message_three" />
+              </li>
+            </ul>
+          </Alert>
+        </Modal.Body>
+        <Modal.Footer>
+          <Button onClick={this.onCloseModal}>
+            <FormattedMessage id="general.close" />
+          </Button>
+          <Button bsStyle="success" onClick={this.removeUser}>
+            <FormattedMessage id="settings_page.remove_user_modal.remove_user" />
+          </Button>
+        </Modal.Footer>
+      </Modal>
+    );
+  }
+}
+
+RemoveUserModal.propTypes = {
+  showModal: bool.isRequired,
+  hideModal: func.isRequired,
+  userToRemove: PropTypes.shape({
+    userName: string.isRequired,
+    team_user_id: number.isRequired,
+    teamName: string.isRequired,
+    team_id: number.isRequired
+  }).isRequired,
+  updateUsersCallback: func.isRequired
+};
+
+export default RemoveUserModal;
diff --git a/app/javascript/packs/src/settings/components/team/components/TeamsMembers.jsx b/app/javascript/packs/src/settings/components/team/components/TeamsMembers.jsx
index 8d71dbce4..510067d8b 100644
--- a/app/javascript/packs/src/settings/components/team/components/TeamsMembers.jsx
+++ b/app/javascript/packs/src/settings/components/team/components/TeamsMembers.jsx
@@ -10,13 +10,22 @@ import {
 import { FormattedMessage } from "react-intl";
 import axios from "../../../../../app/axios";
 
+import RemoveUserModal from "./RemoveUserModal";
 import DataTable from "../../../../../shared/data_table";
 import { UPDATE_USER_TEAM_ROLE_PATH } from "../../../../../app/routes";
 
+const initalUserToRemove = {
+  userName: "",
+  team_user_id: 0,
+  teamName: "",
+  team_id: 0
+};
 class TeamsMembers extends Component {
   constructor(params) {
     super(params);
+    this.state = { showModal: false, userToRemove: initalUserToRemove };
     this.memberAction = this.memberAction.bind(this);
+    this.hideModal = this.hideModal.bind(this);
   }
 
   currentRole(memberRole, role) {
@@ -26,7 +35,7 @@ class TeamsMembers extends Component {
   updateRole(userTeamId, role) {
     axios
       .put(UPDATE_USER_TEAM_ROLE_PATH, {
-        team: this.props.teamId,
+        team: this.props.team.id,
         user_team: userTeamId,
         role
       })
@@ -36,7 +45,13 @@ class TeamsMembers extends Component {
       .catch(error => console.log(error));
   }
 
-  removeUser(userTeamId) {}
+  hideModal() {
+    this.setState({ showModal: false, userToRemove: initalUserToRemove });
+  }
+
+  userToRemove(userToRemove) {
+    this.setState({ showModal: true, userToRemove });
+  }
 
   memberAction(data, row) {
     return (
@@ -83,7 +98,12 @@ class TeamsMembers extends Component {
         <MenuItem divider />
         <MenuItem
           onClick={() => {
-            this.removeUser(data.team_user_id);
+            this.userToRemove({
+              userName: row.name,
+              team_user_id: data.team_user_id,
+              teamName: this.props.team.name,
+              team_id: this.props.team.id
+            });
           }}
         >
           <FormattedMessage id="settings_page.single_team.actions.remove_user" />
@@ -155,6 +175,12 @@ class TeamsMembers extends Component {
         </Button>
 
         <DataTable data={this.props.members} columns={columns} />
+        <RemoveUserModal
+          showModal={this.state.showModal}
+          hideModal={this.hideModal}
+          updateUsersCallback={this.props.updateUsersCallback}
+          userToRemove={this.state.userToRemove}
+        />
       </Panel>
     );
   }
@@ -162,7 +188,10 @@ class TeamsMembers extends Component {
 
 TeamsMembers.propTypes = {
   updateUsersCallback: func.isRequired,
-  teamId: number.isRequired,
+  team: PropTypes.shape({
+    id: number.isRequired,
+    name: string.isRequired
+  }).isRequired,
   members: PropTypes.arrayOf(
     PropTypes.shape({
       id: number.isRequired,
diff --git a/app/services/client_api/user_team_service.rb b/app/services/client_api/user_team_service.rb
index e9764e1ca..d101a331e 100644
--- a/app/services/client_api/user_team_service.rb
+++ b/app/services/client_api/user_team_service.rb
@@ -9,10 +9,10 @@ module ClientApi
       @user = parsed_args.fetch(:user)
       @user_team = UserTeam.find_by_id(parsed_args.fetch(:user_team_id).to_i)
       @role = args.fetch(:role) { false }
-      raise ClientApi::CustomUserTeamError unless @user_team && @user && @team
     end
 
     def destroy_user_team_and_assign_new_team_owner!
+      binding.pry
       raise ClientApi::CustomUserTeamError unless user_cant_leave?
       new_owner = @team.user_teams
                        .where(role: 2)
@@ -59,7 +59,7 @@ module ClientApi
     end
 
     def user_cant_leave?
-      @user.teams.includes @team &&
+      @user.teams.includes(@team) &&
         @user_team.admin? &&
         @team.user_teams.where(role: 2).count <= 1
     end
diff --git a/config/routes.rb b/config/routes.rb
index d3f87d562..2315114a9 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -29,6 +29,7 @@ Rails.application.routes.draw do
       get '/current_user_info', to: 'users#current_user_info'
 
       namespace :users do
+        delete '/remove_user', to: 'user_teams#remove_user'
         delete '/leave_team', to: 'user_teams#leave_team'
         put '/update_role', to: 'user_teams#update_role'
       end
diff --git a/spec/controllers/client_api/users/user_teams_controller.rb b/spec/controllers/client_api/users/user_teams_controller_spec.rb
similarity index 100%
rename from spec/controllers/client_api/users/user_teams_controller.rb
rename to spec/controllers/client_api/users/user_teams_controller_spec.rb
diff --git a/spec/services/client_api/user_team_service_spec.rb b/spec/services/client_api/user_team_service_spec.rb
new file mode 100644
index 000000000..d6d87cf11
--- /dev/null
+++ b/spec/services/client_api/user_team_service_spec.rb
@@ -0,0 +1,56 @@
+require 'rails_helper'
+
+describe ClientApi::UserTeamService do
+  let(:team_one) { create :team }
+  let(:user_one) { create :user, email: Faker::Internet.email }
+  let(:user_team) { create :user_team, user: user_one, team: team_one }
+
+  it 'should raise ClientApi::CustomUserTeamError if user is not assigned' do
+    expect {
+      ClientApi::UserTeamService.new(
+        team_id: team_one.id,
+        user_team_id: user_team.id
+      )
+    }.to raise_error(ClientApi::CustomUserTeamError)
+  end
+
+  it 'should raise ClientApi::CustomUserTeamError if team is not assigned' do
+    expect {
+      ClientApi::UserTeamService.new(user: user_one, user_team_id: user_team.id)
+    }.to raise_error(ClientApi::CustomUserTeamError)
+  end
+
+  it 'should raise ClientApi::CustomUserTeamError if ' \
+     'user_team is not assigned' do
+    expect {
+      ClientApi::UserTeamService.new(user: user_one, team_id: team_one.id)
+    }.to raise_error(ClientApi::CustomUserTeamError)
+  end
+
+  describe '#destroy_user_team_and_assign_new_team_owner!' do
+    let(:user_two) { create :user, email: Faker::Internet.email }
+
+    it 'should raise ClientApi::CustomUserTeamError if user ' \
+       'can\'t leave the team' do
+      ut_service = ClientApi::UserTeamService.new(
+        team_id: team_one.id,
+        user_team_id: user_team.id,
+        user: user_one
+      )
+      expect {
+        ut_service.destroy_user_team_and_assign_new_team_owner!
+      }.to raise_error(ClientApi::CustomUserTeamError)
+    end
+
+    it 'should destroy the user_team relation' do
+      new_user_team = create :user_team, team: team_one, user: user_two
+      ut_service = ClientApi::UserTeamService.new(
+        team_id: team_one.id,
+        user_team_id: new_user_team.id,
+        user: user_two
+      )
+      ut_service.destroy_user_team_and_assign_new_team_owner!
+      expect(new_user_team).to_not exist
+    end
+  end
+end