diff --git a/lib/vagrant/action/builtin/call.rb b/lib/vagrant/action/builtin/call.rb
index f12c43954..2d29a68de 100644
--- a/lib/vagrant/action/builtin/call.rb
+++ b/lib/vagrant/action/builtin/call.rb
@@ -3,17 +3,16 @@ module Vagrant
     module Builtin
       # This middleware class allows a sort of "conditional" run within
       # a single middlware sequence. It takes another middleware runnable,
-      # runs it with the same environment, then yields the result to a block,
+      # runs it with the same environment, then yields the resulting env to a block,
       # allowing that block to determine the next course of action in the
       # middleware sequence.
       #
       # The first argument to this middleware sequence is anywhere middleware
       # runnable, whether it be a class, lambda, or something else that
       # responds to `call`. This middleware runnable is run with the same
-      # environment as this class. The "result" of the run is expected to be
-      # placed in `env[:result]`.
+      # environment as this class.
       #
-      # After running, {Call} takes `env[:result]` and yields it to a block
+      # After running, {Call} takes the environment and yields it to a block
       # given to initialize the class, along with an instance of {Builder}.
       # The result is used to build up a new sequence on the given builder.
       # This builder is then run.
@@ -40,7 +39,7 @@ module Vagrant
 
           # Build our new builder based on the result
           builder = Builder.new
-          @block.call(new_env, new_env[:result], builder)
+          @block.call(new_env, builder)
 
           # Run the result with our new environment
           final_env = runner.run(builder, new_env)
diff --git a/plugins/providers/virtualbox/action.rb b/plugins/providers/virtualbox/action.rb
index bab80fd4a..1e1125e15 100644
--- a/plugins/providers/virtualbox/action.rb
+++ b/plugins/providers/virtualbox/action.rb
@@ -16,25 +16,25 @@ module VagrantPlugins
       def self.action_destroy
         Vagrant::Action::Builder.new.tap do |b|
           b.use CheckVirtualbox
-          b.use Call, Created do |env, created, b2|
-            if created
+          b.use Call, Created do |env1, b2|
+            if env1[:result]
               # If the VM is created, then we confirm that we want to
               # destroy it.
               message = I18n.t("vagrant.commands.destroy.confirmation",
                                :name => env[:machine].name)
               confirm = Vagrant::Action::Builder.build(Confirm, message)
 
-              b2.use Call, confirm do |_env, confirmed, b3|
-                if confirmed
+              b2.use Call, confirm do |env2, b3|
+                if env2[:result]
                   b3.use Vagrant::Action::General::Validate
                   b3.use CheckAccessible
                 else
-                  env[:ui].info I18n.t("vagrant.commands.destroy.will_not_destroy",
+                  env2[:ui].info I18n.t("vagrant.commands.destroy.will_not_destroy",
                                        :name => env[:machine.name])
                 end
               end
             else
-              env[:ui].info I18n.t("vagrant.commands.common.vm_not_created")
+              env1[:ui].info I18n.t("vagrant.commands.common.vm_not_created")
             end
           end
         end
diff --git a/test/unit/vagrant/action/builtin/call_test.rb b/test/unit/vagrant/action/builtin/call_test.rb
index 1618773df..c2ef76bdc 100644
--- a/test/unit/vagrant/action/builtin/call_test.rb
+++ b/test/unit/vagrant/action/builtin/call_test.rb
@@ -4,36 +4,25 @@ describe Vagrant::Action::Builtin::Call do
   let(:app) { lambda { |env| } }
   let(:env) { {} }
 
-  it "should yield the result to the block" do
+  it "should yield the env to the block" do
     received = nil
 
     callable = lambda do |env|
       env[:result] = "value"
     end
 
-    described_class.new(app, env, callable) do |_env, result, builder|
-      received = result
+    described_class.new(app, env, callable) do |env, builder|
+      received = env[:result]
     end.call({})
 
     received.should == "value"
   end
 
-  it "should give a nil result if no result is given" do
-    received = 42
-    callable = lambda { |env| }
-
-    described_class.new(app, env, callable) do |_env, result, builder|
-      received = result
-    end.call({})
-
-    received.should be_nil
-  end
-
   it "should call the callable with the original environment" do
     received = nil
     callable = lambda { |env| received = env[:foo] }
 
-    described_class.new(app, env, callable) do |_env, result, builder|
+    described_class.new(app, env, callable) do |_env, _builder|
       # Nothing.
     end.call({ :foo => :bar })
 
@@ -45,7 +34,7 @@ describe Vagrant::Action::Builtin::Call do
     callable = lambda { |env| }
     next_step = lambda { |env| received = "value" }
 
-    described_class.new(app, env, callable) do |_env, result, builder|
+    described_class.new(app, env, callable) do |_env, builder|
       builder.use next_step
     end.call({})
 
@@ -57,21 +46,10 @@ describe Vagrant::Action::Builtin::Call do
     callable = lambda { |env| }
     next_step = lambda { |env| received = env[:foo] }
 
-    described_class.new(app, env, callable) do |_env, result, builder|
+    described_class.new(app, env, callable) do |_env, builder|
       builder.use next_step
     end.call({ :foo => :bar })
 
     received.should == :bar
   end
-
-  it "should yield the environment" do
-    received = nil
-    callable = lambda { |env| env[:foo] = "value" }
-
-    described_class.new(app, env, callable) do |env, _result, _builder|
-      received = env[:foo]
-    end.call({})
-
-    received.should == "value"
-  end
 end