diff -u project.module project.module
--- project.module	12 Aug 2010 18:30:38 -0000
+++ project.module	12 Aug 2010 18:49:03 -0000
@@ -522,11 +522,19 @@
     'title' => 'Maintainers',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('project_maintainers_form', 1),
-    'file' => 'includes/project_maintainers.inc',
     'access callback' => 'project_check_admin_access',
     'access arguments' => array(1, 'administer project maintainers'),
+    'file' => 'includes/project_maintainers.inc',
     'type' => MENU_LOCAL_TASK,
   );
+  $items['node/%project_node/maintainers/delete/%user'] = array(
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('project_maintainer_delete_confirm', 1, 4),
+    'access callback' => 'project_check_admin_access',
+    'access arguments' => array(1, 'administer project maintainers'),
+    'file' => 'includes/project_maintainers.inc',
+    'type' => MENU_CALLBACK,
+  );
 
   $items['node/%project_edit_project/edit/project'] = array(
     'title' => 'Project',
diff -u includes/project_maintainers.inc includes/project_maintainers.inc
--- includes/project_maintainers.inc	12 Aug 2010 18:17:12 -0000
+++ includes/project_maintainers.inc	12 Aug 2010 19:01:38 -0000
@@ -21,6 +21,8 @@
   foreach ($project_perms as $perm_name => $perm_info) {
     $form['#header'][$perm_name] = array('data' => $perm_info['title']);
   }
+  $form['#header']['operations'] = array('data' => t('Operations'));
+
   if (!empty($project->project['maintainers'])) {
     foreach ($project->project['maintainers'] as $uid => $maintainer) {
       $form['maintainers'][$uid] = array();
@@ -34,6 +36,19 @@
           '#default_value' => !empty($maintainer['permissions'][$perm_name]),
         );
       }
+      $form['maintainers'][$uid]['operations'] = array();
+      if ($uid == $project->uid) {
+        $form['maintainers'][$uid]['operations']['delete'] = array(
+          '#prefix' => '<span class="disabled">',
+          '#value' => t('locked'),
+          '#suffix' => '</span>',
+        );
+      }
+      else {
+        $form['maintainers'][$uid]['operations']['delete'] = array(
+          '#value' => l(t('delete'), "node/$project->nid/maintainers/delete/$uid"),
+        );
+      }
     }
   }
 
@@ -77,6 +92,7 @@
       foreach (element_children($form['maintainers'][$uid]['permissions']) as $perm) {
         $row[] = drupal_render($form['maintainers'][$uid]['permissions'][$perm]);
       }
+      $row[] = drupal_render($form['maintainers'][$uid]['operations']);
       $rows[] = $row;
     }
   }
@@ -87,6 +103,7 @@
   foreach (element_children($form['new_maintainer']['permissions']) as $perm) {
     $row[] = drupal_render($form['new_maintainer']['permissions'][$perm]);
   }
+  $row[] = ''; // Empty cell for the 'Operations' column on new maintainers.
   $rows[] = $row;
 
   $output .= theme('table', $header, $rows);
@@ -142,0 +160,40 @@
+
+/**
+ * Confirm form for removing a uid as a cvs maintainer from a given project.
+ */
+function project_maintainer_delete_confirm($form_state, $project, $user) {
+  if ($user->uid == $project->uid) {
+    drupal_set_message(t('You can not delete the project owner (!user) as a maintainer.', array('!user' => theme('username', $user))), 'error');
+    return drupal_goto("node/$project->nid/maintainers/");
+  }
+
+  $form['nid'] = array('#type' => 'value', '#value' => $project->nid);
+  $form['uid'] = array('#type' => 'value', '#value' => $user->uid);
+
+  return confirm_form($form,
+           t('Are you sure you want to delete !user as a maintainer of !project?',
+             array(
+               '!user' => theme('username', $user),
+               '!project' => l($project->title, "node/$project->nid"),
+             )),
+           "node/$project->nid/maintainers",
+           t('This action cannot be undone.'),
+           t('Delete'),
+           t('Cancel'));
+}
+
+/**
+ * Delete the requested user as a maintainer.
+ *
+ * Invoked when the delete button on the confirm_form() page is pressed.
+ */
+function project_maintainer_delete_confirm_submit($form, &$form_state) {
+  $nid = $form_state['values']['nid'];
+  $uid = $form_state['values']['uid'];
+  $user = user_load(array('uid' => $uid));
+
+  project_maintainer_remove($nid, $uid);
+
+  drupal_set_message(t('Removed !user as a maintainer.', array('!user' => theme('username', $user))));
+  $form_state['redirect'] = "node/$nid/maintainers";
+}