diff --git a/src/Composer/DependencyResolver/DefaultPolicy.php b/src/Composer/DependencyResolver/DefaultPolicy.php
index 5eef7fd32..6ec377da8 100644
--- a/src/Composer/DependencyResolver/DefaultPolicy.php
+++ b/src/Composer/DependencyResolver/DefaultPolicy.php
@@ -23,7 +23,7 @@ class DefaultPolicy implements PolicyInterface
 {
     public function allowUninstall()
     {
-        return false;
+        return true;
     }
 
     public function allowDowngrade()
diff --git a/src/Composer/DependencyResolver/Solver.php b/src/Composer/DependencyResolver/Solver.php
index f03ce0823..c911a909d 100644
--- a/src/Composer/DependencyResolver/Solver.php
+++ b/src/Composer/DependencyResolver/Solver.php
@@ -1021,6 +1021,8 @@ class Solver
 
                 $this->packageToFeatureRule[$package->getId()] = $rule;
                 $this->packageToUpdateRule[$package->getId()] = $rule;
+            } else {
+                throw new \Exception('WTF package is not in packageToUpdateRule so it fails later in createTransaction (line 1093)');
             }
         }