diff --git a/Octokit.Reactive/Clients/IObservableTeamsClient.cs b/Octokit.Reactive/Clients/IObservableTeamsClient.cs
index f4a72a62..101946a9 100644
--- a/Octokit.Reactive/Clients/IObservableTeamsClient.cs
+++ b/Octokit.Reactive/Clients/IObservableTeamsClient.cs
@@ -63,19 +63,6 @@ namespace Octokit.Reactive
         /// <returns></returns>
         IObservable<Unit> Delete(int id);
 
-        /// <summary>
-        /// Adds a <see cref="User"/> to a <see cref="Team"/>.
-        /// </summary>
-        /// <remarks>
-        /// See the <a href="https://developer.github.com/v3/orgs/teams/#add-team-member">API documentation</a> for more information.
-        /// </remarks>
-        /// <param name="id">The team identifier.</param>
-        /// <param name="login">The user to add to the team.</param>
-        /// <exception cref="ApiValidationException">Thrown if you attempt to add an organization to a team.</exception>
-        /// <returns><see langword="true"/> if the user was added to the team; <see langword="false"/> otherwise.</returns>
-        [Obsolete("Use AddMembership(id, login) to track pending requests")]
-        IObservable<bool> AddMember(int id, string login);
-
         /// <summary>
         /// Adds a <see cref="User"/> to a <see cref="Team"/>.
         /// </summary>
@@ -97,8 +84,7 @@ namespace Octokit.Reactive
         /// <param name="id">The team identifier.</param>
         /// <param name="login">The user to remove from the team.</param>
         /// <returns><see langword="true"/> if the user was removed from the team; <see langword="false"/> otherwise.</returns>
-        IObservable<bool> RemoveMember(int id, string login);
-
+        IObservable<bool> RemoveMembership(int id, string login);
 
         /// <summary>
         /// Gets whether the user with the given <paramref name="login"/> 
diff --git a/Octokit.Reactive/Clients/ObservableTeamsClient.cs b/Octokit.Reactive/Clients/ObservableTeamsClient.cs
index 772166c6..a3e9af4f 100644
--- a/Octokit.Reactive/Clients/ObservableTeamsClient.cs
+++ b/Octokit.Reactive/Clients/ObservableTeamsClient.cs
@@ -95,22 +95,6 @@ namespace Octokit.Reactive
             return _client.Delete(id).ToObservable();
         }
 
-        /// <summary>
-        /// Adds a <see cref="User"/> to a <see cref="Team"/>.
-        /// </summary>
-        /// <remarks>
-        /// See the <a href="https://developer.github.com/v3/orgs/teams/#add-team-member">API documentation</a> for more information.
-        /// </remarks>
-        /// <param name="id">The team identifier.</param>
-        /// <param name="login">The user to add to the team.</param>
-        /// <exception cref="ApiValidationException">Thrown if you attempt to add an organization to a team.</exception>
-        /// <returns><see langword="true"/> if the user was added to the team; <see langword="false"/> otherwise.</returns>
-        [Obsolete("Use AddMembership(int, login) to get pending invitations")]
-        public IObservable<bool> AddMember(int id, string login)
-        {
-            return _client.AddMember(id, login).ToObservable();
-        }
-
         /// <summary>
         /// Adds a <see cref="User"/> to a <see cref="Team"/>.
         /// </summary>
@@ -135,9 +119,9 @@ namespace Octokit.Reactive
         /// <param name="id">The team identifier.</param>
         /// <param name="login">The user to remove from the team.</param>
         /// <returns><see langword="true"/> if the user was removed from the team; <see langword="false"/> otherwise.</returns>
-        public IObservable<bool> RemoveMember(int id, string login)
+        public IObservable<bool> RemoveMembership(int id, string login)
         {
-            return _client.RemoveMember(id, login).ToObservable();
+            return _client.RemoveMembership(id, login).ToObservable();
         }
 
         /// <summary>
diff --git a/Octokit.Tests/Clients/TeamsClientTests.cs b/Octokit.Tests/Clients/TeamsClientTests.cs
index a06b3afc..16da07ff 100644
--- a/Octokit.Tests/Clients/TeamsClientTests.cs
+++ b/Octokit.Tests/Clients/TeamsClientTests.cs
@@ -143,7 +143,7 @@ namespace Octokit.Tests.Clients
                 var connection = Substitute.For<IApiConnection>();
                 var client = new TeamsClient(connection);
 
-                client.AddMember(1, "user");
+                client.AddMembership(1, "user");
 
                 connection.Connection.Received().Put(Arg.Is<Uri>(u => u.ToString() == "teams/1/memberships/user"));
             }
@@ -154,8 +154,8 @@ namespace Octokit.Tests.Clients
                 var connection = Substitute.For<IApiConnection>();
                 var client = new TeamsClient(connection);
 
-                await Assert.ThrowsAsync<ArgumentNullException>(() => client.AddMember(1, null));
-                await Assert.ThrowsAsync<ArgumentException>(() => client.AddMember(1, ""));
+                await Assert.ThrowsAsync<ArgumentNullException>(() => client.AddMembership(1, null));
+                await Assert.ThrowsAsync<ArgumentException>(() => client.AddMembership(1, ""));
             }
         }
 
@@ -187,7 +187,7 @@ namespace Octokit.Tests.Clients
             {
                 var connection = Substitute.For<IApiConnection>();
                 var client = new TeamsClient(connection);
-                client.RemoveMember(1, "user");
+                client.RemoveMembership(1, "user");
 
                 connection.Connection.Received().Delete(Arg.Is<Uri>(u => u.ToString() == "teams/1/memberships/user"));
             }
@@ -198,8 +198,8 @@ namespace Octokit.Tests.Clients
                 var connection = Substitute.For<IApiConnection>();
                 var client = new TeamsClient(connection);
 
-                await Assert.ThrowsAsync<ArgumentNullException>(() => client.RemoveMember(1, null));
-                await Assert.ThrowsAsync<ArgumentException>(() => client.RemoveMember(1, ""));
+                await Assert.ThrowsAsync<ArgumentNullException>(() => client.RemoveMembership(1, null));
+                await Assert.ThrowsAsync<ArgumentException>(() => client.RemoveMembership(1, ""));
             }
 
         }
diff --git a/Octokit/Clients/ITeamsClient.cs b/Octokit/Clients/ITeamsClient.cs
index 69dba2c1..7049c268 100644
--- a/Octokit/Clients/ITeamsClient.cs
+++ b/Octokit/Clients/ITeamsClient.cs
@@ -65,19 +65,6 @@ namespace Octokit
         /// <returns></returns>
         Task Delete(int id);
 
-        /// <summary>
-        /// Adds a <see cref="User"/> to a <see cref="Team"/>.
-        /// </summary>
-        /// <remarks>
-        /// See the <a href="https://developer.github.com/v3/orgs/teams/#add-team-member">API documentation</a> for more information.
-        /// </remarks>
-        /// <param name="id">The team identifier.</param>
-        /// <param name="login">The user to add to the team.</param>
-        /// <exception cref="ApiValidationException">Thrown if you attempt to add an organization to a team.</exception>
-        /// <returns><see langword="true"/> if the user was added to the team; <see langword="false"/> otherwise.</returns>
-        [Obsolete("Use AddMembership(id, login) to track pending requests")]
-        Task<bool> AddMember(int id, string login);
-
         /// <summary>
         /// Adds a <see cref="User"/> to a <see cref="Team"/>.
         /// </summary>
@@ -99,7 +86,7 @@ namespace Octokit
         /// <param name="id">The team identifier.</param>
         /// <param name="login">The user to remove from the team.</param>
         /// <returns><see langword="true"/> if the user was removed from the team; <see langword="false"/> otherwise.</returns>
-        Task<bool> RemoveMember(int id, string login);
+        Task<bool> RemoveMembership(int id, string login);
 
         /// <summary>
         /// Gets whether the user with the given <paramref name="login"/> 
diff --git a/Octokit/Clients/TeamsClient.cs b/Octokit/Clients/TeamsClient.cs
index 6b977e7a..ad7d154f 100644
--- a/Octokit/Clients/TeamsClient.cs
+++ b/Octokit/Clients/TeamsClient.cs
@@ -133,35 +133,6 @@ namespace Octokit
             return ApiConnection.Delete(endpoint);
         }
 
-        /// <summary>
-        /// Adds a <see cref="User"/> to a <see cref="Team"/>.
-        /// </summary>
-        /// <remarks>
-        /// See the <a href="https://developer.github.com/v3/orgs/teams/#add-team-member">API documentation</a> for more information.
-        /// </remarks>
-        /// <param name="id">The team identifier.</param>
-        /// <param name="login">The user to add to the team.</param>
-        /// <exception cref="ApiValidationException">Thrown if you attempt to add an organization to a team.</exception>
-        /// <returns><see langword="true"/> if the user was added to the team; <see langword="false"/> otherwise.</returns>
-        [Obsolete("Use AddTeamMember(id, login) to track pending requests")]
-        public async Task<bool> AddMember(int id, string login)
-        {
-            Ensure.ArgumentNotNullOrEmptyString(login, "login");
-
-            var endpoint = ApiUrls.TeamMember(id, login);
-
-            try
-            {
-                var httpStatusCode = await ApiConnection.Connection.Put(endpoint);
-
-                return httpStatusCode == HttpStatusCode.NoContent;
-            }
-            catch (NotFoundException)
-            {
-                return false;
-            }
-        }
-
         /// <summary>
         /// Adds a <see cref="User"/> to a <see cref="Team"/>.
         /// </summary>
@@ -203,7 +174,7 @@ namespace Octokit
         /// <param name="id">The team identifier.</param>
         /// <param name="login">The user to remove from the team.</param>
         /// <returns><see langword="true"/> if the user was removed from the team; <see langword="false"/> otherwise.</returns>
-        public async Task<bool> RemoveMember(int id, string login)
+        public async Task<bool> RemoveMembership(int id, string login)
         {
             Ensure.ArgumentNotNullOrEmptyString(login, "login");