diff --git a/lib/faker/default/code.rb b/lib/faker/default/code.rb
index 93eb7524c7..97db39aad9 100644
--- a/lib/faker/default/code.rb
+++ b/lib/faker/default/code.rb
@@ -67,7 +67,7 @@ def ean(base: 13)
       #
       # @faker.version 1.9.4
       def rut
-        value = Number.number(digits: 8).to_s
+        value = Faker::Number.number(digits: 8).to_s
         vd = rut_verificator_digit(value)
         value << "-#{vd}"
       end
@@ -92,7 +92,7 @@ def rut
       #
       # @faker.version 2.2.0
       def nric(min_age: 18, max_age: 65)
-        birthyear = Date.birthday(min_age: min_age, max_age: max_age).year
+        birthyear = Faker::Date.birthday(min_age: min_age, max_age: max_age).year
 
         generate(:string) do |g|
           g.computed(name: :prefix) do
diff --git a/lib/faker/default/crypto.rb b/lib/faker/default/crypto.rb
index 84efe18aae..d59201fff9 100644
--- a/lib/faker/default/crypto.rb
+++ b/lib/faker/default/crypto.rb
@@ -22,7 +22,7 @@ class << self
       #
       # @faker.version 1.6.4
       def md5
-        OpenSSL::Digest::MD5.hexdigest(Lorem.characters(number: MD5_MIN_NUMBER_OF_CHARACTERS))
+        OpenSSL::Digest::MD5.hexdigest(Faker::Lorem.characters(number: MD5_MIN_NUMBER_OF_CHARACTERS))
       end
 
       ##
@@ -35,7 +35,7 @@ def md5
       #
       # @faker.version 1.6.4
       def sha1
-        OpenSSL::Digest::SHA1.hexdigest(Lorem.characters(number: SHA1_MIN_NUMBER_OF_CHARACTERS))
+        OpenSSL::Digest::SHA1.hexdigest(Faker::Lorem.characters(number: SHA1_MIN_NUMBER_OF_CHARACTERS))
       end
 
       ##
@@ -48,7 +48,7 @@ def sha1
       #
       # @faker.version 1.6.4
       def sha256
-        OpenSSL::Digest::SHA256.hexdigest(Lorem.characters(number: SHA256_MIN_NUMBER_OF_CHARACTERS))
+        OpenSSL::Digest::SHA256.hexdigest(Faker::Lorem.characters(number: SHA256_MIN_NUMBER_OF_CHARACTERS))
       end
 
       ##
@@ -61,7 +61,7 @@ def sha256
       #
       # @faker.version next
       def sha512
-        OpenSSL::Digest::SHA512.hexdigest(Lorem.characters(number: SHA512_MIN_NUMBER_OF_CHARACTERS))
+        OpenSSL::Digest::SHA512.hexdigest(Faker::Lorem.characters(number: SHA512_MIN_NUMBER_OF_CHARACTERS))
       end
     end
   end
diff --git a/lib/faker/default/omniauth.rb b/lib/faker/default/omniauth.rb
index 567c6bdf88..7b4208b934 100644
--- a/lib/faker/default/omniauth.rb
+++ b/lib/faker/default/omniauth.rb
@@ -103,7 +103,7 @@ def facebook(name: nil, email: nil, username: nil, uid: Faker::Number.number(dig
           },
           credentials: {
             token: Faker::Crypto.md5,
-            expires_at: Time.forward.to_i,
+            expires_at: Faker::Time.forward.to_i,
             expires: true
           },
           extra: {
@@ -263,8 +263,8 @@ def linkedin(name: nil, email: nil, uid: Faker::Number.number(digits: 6).to_s)
               params: {
                 oauth_token: token,
                 oauth_token_secret: secret,
-                oauth_expires_in: Time.forward.to_i,
-                oauth_authorization_expires_in: Time.forward.to_i
+                oauth_expires_in: Faker::Time.forward.to_i,
+                oauth_authorization_expires_in: Faker::Time.forward.to_i
               },
               response: nil
             },
@@ -420,7 +420,7 @@ def auth0(name: nil, email: nil, uid: nil)
             image: image
           },
           credentials: {
-            expires_at: Time.forward.to_i,
+            expires_at: Faker::Time.forward.to_i,
             expires: true,
             token_type: 'Bearer',
             id_token: Faker::Crypto.sha256,
diff --git a/lib/faker/default/types.rb b/lib/faker/default/types.rb
index 486521e9bb..2c7a3634e1 100644
--- a/lib/faker/default/types.rb
+++ b/lib/faker/default/types.rb
@@ -63,7 +63,7 @@ def rb_integer(from: 0, to: 100)
       # @faker.version 1.8.6
       def rb_hash(number: 1, type: -> { random_type })
         {}.tap do |hsh|
-          Lorem.words(number: number * 2).uniq.first(number).each do |s|
+          Faker::Lorem.words(number: number * 2).uniq.first(number).each do |s|
             value = type.is_a?(Proc) ? type.call : type
             hsh.merge!(s.to_sym => value)
           end