2 files changed, 5 insertions, 3 deletions
diff --git a/actionpack/lib/action_dispatch/http/request.rb b/actionpack/lib/action_dispatch/http/request.rb
index adbb5d1346..afc0496ef9 100644
--- a/actionpack/lib/action_dispatch/http/request.rb
+++ b/actionpack/lib/action_dispatch/http/request.rb
@@ -251,17 +251,19 @@ module ActionDispatch
 
     # Remove nils from the params hash
     def deep_munge(hash)
+      keys = hash.keys.find_all { |k| hash[k] == [nil] }
+      keys.each { |k| hash[k] = nil }
+
       hash.each_value do |v|
         case v
         when Array
           v.grep(Hash) { |x| deep_munge(x) }
+          v.compact!
         when Hash
           deep_munge(v)
         end
       end
 
-      keys = hash.keys.find_all { |k| hash[k] == [nil] }
-      keys.each { |k| hash[k] = nil }
       hash
     end
 
diff --git a/actionpack/lib/action_pack/version.rb b/actionpack/lib/action_pack/version.rb
index 8df68441c3..58ccf8ebc2 100644
--- a/actionpack/lib/action_pack/version.rb
+++ b/actionpack/lib/action_pack/version.rb
@@ -2,7 +2,7 @@ module ActionPack
   module VERSION #:nodoc:
     MAJOR = 3
     MINOR = 2
-    TINY  = 5
+    TINY  = 6
     PRE   = nil
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.')