diff --git a/lib/fx.rb b/lib/fx.rb
index c46508f..797a315 100644
--- a/lib/fx.rb
+++ b/lib/fx.rb
@@ -28,7 +28,7 @@ def self.load
 
   # @return [Fx::Configuration] F(x)'s current configuration
   def self.configuration
-    @_configuration ||= Configuration.new
+    @_configuration ||= Fx::Configuration.new
   end
 
   # Set F(x)'s configuration
diff --git a/lib/fx/adapters/postgres.rb b/lib/fx/adapters/postgres.rb
index f87a6a0..c6fb839 100644
--- a/lib/fx/adapters/postgres.rb
+++ b/lib/fx/adapters/postgres.rb
@@ -47,7 +47,7 @@ def initialize(connectable = ActiveRecord::Base)
       #
       # @return [Array<Fx::Function>]
       def functions
-        Functions.all(connection)
+        Fx::Adapters::Postgres::Functions.all(connection)
       end
 
       # Returns an array of triggers in the database.
@@ -57,7 +57,7 @@ def functions
       #
       # @return [Array<Fx::Trigger>]
       def triggers
-        Triggers.all(connection)
+        Fx::Adapters::Postgres::Triggers.all(connection)
       end
 
       # Creates a function in the database.
@@ -152,7 +152,7 @@ def drop_trigger(name, on:)
       delegate :execute, to: :connection
 
       def connection
-        Connection.new(connectable.connection)
+        Fx::Adapters::Postgres::Connection.new(connectable.connection)
       end
     end
   end
diff --git a/lib/fx/adapters/postgres/functions.rb b/lib/fx/adapters/postgres/functions.rb
index 80165e3..cf5d336 100644
--- a/lib/fx/adapters/postgres/functions.rb
+++ b/lib/fx/adapters/postgres/functions.rb
@@ -30,7 +30,7 @@ class Functions
         #
         # @return [Array<Fx::Function>]
         def self.all(connection)
-          QueryExecutor.call(
+          Fx::Adapters::Postgres::QueryExecutor.call(
             connection: connection,
             query: FUNCTIONS_WITH_DEFINITIONS_QUERY,
             model_class: Fx::Function
diff --git a/lib/fx/adapters/postgres/triggers.rb b/lib/fx/adapters/postgres/triggers.rb
index cfe199a..5451f40 100644
--- a/lib/fx/adapters/postgres/triggers.rb
+++ b/lib/fx/adapters/postgres/triggers.rb
@@ -30,7 +30,7 @@ class Triggers
         #
         # @return [Array<Fx::Trigger>]
         def self.all(connection)
-          QueryExecutor.call(
+          Fx::Adapters::Postgres::QueryExecutor.call(
             connection: connection,
             query: TRIGGERS_WITH_DEFINITIONS_QUERY,
             model_class: Fx::Trigger
diff --git a/lib/generators/fx/function/function_generator.rb b/lib/generators/fx/function/function_generator.rb
index 6ecee3b..74af934 100644
--- a/lib/generators/fx/function/function_generator.rb
+++ b/lib/generators/fx/function/function_generator.rb
@@ -72,7 +72,7 @@ def migration_class_name
         end
 
         def formatted_name
-          NameHelper.format_for_migration(singular_name)
+          Fx::Generators::NameHelper.format_for_migration(singular_name)
         end
       end
 
diff --git a/lib/generators/fx/trigger/trigger_generator.rb b/lib/generators/fx/trigger/trigger_generator.rb
index b64453e..eefb54a 100644
--- a/lib/generators/fx/trigger/trigger_generator.rb
+++ b/lib/generators/fx/trigger/trigger_generator.rb
@@ -66,11 +66,11 @@ def migration_class_name
         end
 
         def formatted_name
-          NameHelper.format_for_migration(singular_name)
+          Fx::Generators::NameHelper.format_for_migration(singular_name)
         end
 
         def formatted_table_name
-          NameHelper.format_table_name_from_hash(table_name)
+          Fx::Generators::NameHelper.format_table_name_from_hash(table_name)
         end
       end