diff --git a/shard.lock b/shard.lock
index 8afd0831..d56fc1fe 100644
--- a/shard.lock
+++ b/shard.lock
@@ -31,7 +31,7 @@ shards:
 
   bindata:
     git: https://github.com/spider-gazelle/bindata.git
-    version: 1.9.1
+    version: 1.10.0
 
   clear:
     git: https://github.com/place-labs/clear.git
@@ -47,7 +47,7 @@ shards:
 
   email:
     git: https://github.com/arcage/crystal-email.git
-    version: 0.6.3
+    version: 0.6.4
 
   faker:
     git: https://github.com/askn/faker.git
@@ -91,12 +91,20 @@ shards:
 
   neuroplastic:
     git: https://github.com/spider-gazelle/neuroplastic.git
-    version: 1.10.0
+    version: 1.11.0
 
   office365:
     git: https://github.com/placeos/office365.git
     version: 1.14.0
 
+  open_api:
+    git: https://github.com/elbywan/open_api.cr.git
+    version: 1.3.0
+
+  openapi-generator:
+    git: https://github.com/place-labs/openapi-generator.git
+    version: 2.1.0+git.commit.a65ffc2f7dcc6a393e7d1f9229650b520d9525be
+
   openssl_ext:
     git: https://github.com/spider-gazelle/openssl_ext.git
     version: 2.1.5
@@ -119,7 +127,7 @@ shards:
 
   placeos-models:
     git: https://github.com/placeos/models.git
-    version: 6.2.0
+    version: 6.3.0
 
   promise:
     git: https://github.com/spider-gazelle/promise.git
diff --git a/src/controllers/application.cr b/src/controllers/application.cr
index 59843af7..e50ab1d4 100644
--- a/src/controllers/application.cr
+++ b/src/controllers/application.cr
@@ -10,9 +10,7 @@ abstract class Application < ActionController::Base
   # HELPERS
   # =========================================
   include Utils::PlaceOSHelpers
-  # include Utils::GoogleHelpers
   include Utils::CurrentUser
-  # include Utils::Responders
   include Utils::MultiTenant
 
   # =========================================
diff --git a/src/controllers/utilities/responders.cr b/src/controllers/utilities/responders.cr
deleted file mode 100644
index 87b09dbb..00000000
--- a/src/controllers/utilities/responders.cr
+++ /dev/null
@@ -1,26 +0,0 @@
-require "http"
-
-module Utils::Responders
-  # Merge fields into object
-  def with_fields(model, fields) : Hash
-    # Double serialisation
-    attrs = Hash(String, JSON::Any).from_json(model.to_json)
-    attrs.merge(fields)
-  end
-
-  # Restrict model attributes
-  def restrict_attributes(
-    model,
-    only : Array(String)? = nil,   # Attributes to keep
-    except : Array(String)? = nil, # Attributes to exclude
-    fields : Hash? = nil           # Additional fields
-  ) : Hash
-    # Necessary for fields with converters defined
-    # Double serialisation
-    attrs = Hash(String, JSON::Any).from_json(model.to_json)
-    attrs.select!(only) if only
-    attrs.reject!(except) if except
-
-    fields && !fields.empty? ? attrs.merge(fields) : attrs
-  end
-end