diff --git a/CHANGELOG.md b/CHANGELOG.md
index d9526f5d..9503dee0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+### (next)
+
+#### Fixes
+* [#382](https://github.com/ruby-grape/grape-swagger/pull/382): Make the schemes undefined by default to match Swagger 2.0 spec indicating that a blank schemes will use the scheme from the document - [@wleeper](https://github.com/wleeper).
+
 ### 0.20.0 / 2016-04-09
 
 #### Features
diff --git a/lib/grape-swagger/doc_methods.rb b/lib/grape-swagger/doc_methods.rb
index 96c70cd4..19d4446f 100644
--- a/lib/grape-swagger/doc_methods.rb
+++ b/lib/grape-swagger/doc_methods.rb
@@ -90,7 +90,6 @@ def defaults
       {
         info: {},
         models: [],
-        schemes: %w( https http ),
         api_version: 'v1',
         target_class: nil,
         mount_path: '/swagger_doc',
diff --git a/spec/support/api_swagger_v2_result.rb b/spec/support/api_swagger_v2_result.rb
index 064210df..c5d362dd 100644
--- a/spec/support/api_swagger_v2_result.rb
+++ b/spec/support/api_swagger_v2_result.rb
@@ -79,7 +79,6 @@ class ApiError < Grape::Entity
         {"name"=>"thing2", "description"=>"Operations about thing2s"},
         {"name"=>"dummy", "description"=>"Operations about dummies"}
       ],
-      "schemes"=>["https", "http"],
       "paths"=>{
         "/v3/other_thing/{elements}"=>{
           "get"=>{
diff --git a/spec/swagger_v2/api_swagger_v2_response_spec.rb b/spec/swagger_v2/api_swagger_v2_response_spec.rb
index c07d2856..b8c4f797 100644
--- a/spec/swagger_v2/api_swagger_v2_response_spec.rb
+++ b/spec/swagger_v2/api_swagger_v2_response_spec.rb
@@ -55,7 +55,6 @@ def app
           {"name"=>"entity_response", "description"=>"Operations about entity_responses"},
           {"name"=>"nested_type", "description"=>"Operations about nested_types"}
         ],
-        "schemes"=>["https", "http"],
         "paths"=>{
           "/nested_type"=>{
             "get"=>{
@@ -104,7 +103,6 @@ def app
           {"name"=>"entity_response", "description"=>"Operations about entity_responses"},
           {"name"=>"nested_type", "description"=>"Operations about nested_types"}
         ],
-        "schemes"=>["https", "http"],
         "paths"=>{
           "/entity_response"=>{
             "get"=>{
@@ -150,7 +148,6 @@ def app
           {"name"=>"entity_response", "description"=>"Operations about entity_responses"},
           {"name"=>"nested_type", "description"=>"Operations about nested_types"}
         ],
-        "schemes"=>["https", "http"],
         "paths"=>{
           "/params_response"=>{
             "post"=>{
diff --git a/spec/swagger_v2/default_api_spec.rb b/spec/swagger_v2/default_api_spec.rb
index 4c4a48e2..6c659525 100644
--- a/spec/swagger_v2/default_api_spec.rb
+++ b/spec/swagger_v2/default_api_spec.rb
@@ -27,7 +27,6 @@ def app
           "produces"=>["application/json"],
           "host"=>"example.org",
           "tags" => [{"name"=>"something", "description"=>"Operations about somethings"}],
-          "schemes" => ["https", "http"],
           "paths"=>{
             "/something"=>{
               "get"=>{
@@ -72,7 +71,6 @@ def app
         "produces"=>["application/json"],
         "host"=>"example.org",
         "tags" => [{"name"=>"something", "description"=>"Operations about somethings"}],
-        "schemes" => ["https", "http"],
         "paths"=>{
           "/something"=>{
             "get"=>{
diff --git a/spec/swagger_v2/hide_api_spec.rb b/spec/swagger_v2/hide_api_spec.rb
index 2934f85d..a4475a12 100644
--- a/spec/swagger_v2/hide_api_spec.rb
+++ b/spec/swagger_v2/hide_api_spec.rb
@@ -41,7 +41,6 @@ def app
       "produces"=>["application/xml", "application/json", "application/octet-stream", "text/plain"],
       "host"=>"example.org",
       "tags" => [{"name"=>"simple", "description"=>"Operations about simples"}, {"name"=>"lazy", "description"=>"Operations about lazies"}],
-      "schemes" => ["https", "http"],
       "paths"=>{
         "/simple"=>{
           "get"=>{
@@ -98,7 +97,6 @@ def app
       "produces"=>["application/xml", "application/json", "application/octet-stream", "text/plain"],
       "host"=>"example.org",
       "tags" => [{"name"=>"simple", "description"=>"Operations about simples"}],
-      "schemes" => ["https", "http"],
       "paths"=>{
         "/simple/show"=>{
           "get"=>{
@@ -117,7 +115,6 @@ def app
       "produces"=>["application/xml", "application/json", "application/octet-stream", "text/plain"],
       "host"=>"example.org",
       "tags" => [{"name"=>"simple", "description"=>"Operations about simples"}],
-      "schemes" => ["https", "http"],
       "paths"=>{
         "/simple/show"=>{
           "get"=>{
diff --git a/spec/swagger_v2/mounted_target_class_spec.rb b/spec/swagger_v2/mounted_target_class_spec.rb
index d50e1a8f..fe8296bd 100644
--- a/spec/swagger_v2/mounted_target_class_spec.rb
+++ b/spec/swagger_v2/mounted_target_class_spec.rb
@@ -34,7 +34,6 @@ def app
       "produces"=>["application/xml", "application/json", "application/octet-stream", "text/plain"],
       "host"=>"example.org",
       "tags"=>[{"name"=>"simple", "description"=>"Operations about simples"}],
-      "schemes"=>["https", "http"],
       "paths"=>{
         "/simple"=>{
           "get"=>{
@@ -57,7 +56,6 @@ def app
       "tags" => [{"name"=>"simple", "description"=>"Operations about simples"}],
       "produces"=>["application/xml", "application/json", "application/octet-stream", "text/plain"],
       "host"=>"example.org",
-      "schemes" => ["https", "http"],
       "paths" => {
         "/simple"=>{
           "get"=>{
diff --git a/spec/swagger_v2/simple_mounted_api_spec.rb b/spec/swagger_v2/simple_mounted_api_spec.rb
index abb41673..8d438969 100644
--- a/spec/swagger_v2/simple_mounted_api_spec.rb
+++ b/spec/swagger_v2/simple_mounted_api_spec.rb
@@ -79,7 +79,6 @@ def app
         "produces"=>["application/xml", "application/json", "application/octet-stream", "text/plain"],
         "host"=>"example.org",
         "tags" => [{"name"=>"simple", "description"=>"Operations about simples"}, {"name"=>"simple-test", "description"=>"Operations about simple-tests"}, {"name"=>"simple_with_headers", "description"=>"Operations about simple_with_headers"}, {"name"=>"items", "description"=>"Operations about items"}, {"name"=>"custom", "description"=>"Operations about customs"}],
-        "schemes"=>["https", "http"],
         "paths"=>{
           "/simple"=>{
             "get"=>{
@@ -155,7 +154,6 @@ def app
         "produces"=>["application/xml", "application/json", "application/octet-stream", "text/plain"],
         "host"=>"example.org",
         "tags" => [{"name"=>"simple", "description"=>"Operations about simples"}, {"name"=>"simple-test", "description"=>"Operations about simple-tests"}, {"name"=>"simple_with_headers", "description"=>"Operations about simple_with_headers"}, {"name"=>"items", "description"=>"Operations about items"}, {"name"=>"custom", "description"=>"Operations about customs"}],
-        "schemes"=>["https", "http"],
         "paths"=>{
           "/simple"=>{
             "get"=>{
@@ -182,7 +180,6 @@ def app
           "produces"=>["application/xml", "application/json", "application/octet-stream", "text/plain"],
           "host"=>"example.org",
           "tags" => [{"name"=>"simple", "description"=>"Operations about simples"}, {"name"=>"simple-test", "description"=>"Operations about simple-tests"}, {"name"=>"simple_with_headers", "description"=>"Operations about simple_with_headers"}, {"name"=>"items", "description"=>"Operations about items"}, {"name"=>"custom", "description"=>"Operations about customs"}],
-          "schemes"=>["https", "http"],
           "paths"=>{
             "/simple-test"=>{
               "get"=>{