diff --git a/lib/dry/files.rb b/lib/dry/files.rb
index 631e2bf..5cdb37e 100644
--- a/lib/dry/files.rb
+++ b/lib/dry/files.rb
@@ -27,9 +27,9 @@ class Files
     #
     # @since 0.1.0
     # @api public
-    def initialize(memory: false, adapter: Adapter.call(memory: memory,
-                                                        newline: $INPUT_RECORD_SEPARATOR))
+    def initialize(memory: false, adapter: Adapter.call(memory: memory), newline: $INPUT_RECORD_SEPARATOR)
       @adapter = adapter
+      @newline = newline
     end
 
     # Read file content
@@ -74,7 +74,7 @@ def touch(path)
     # @since 0.1.0
     # @api public
     def write(path, lines)
-      joined_lines = Array(lines).flatten.map { |line| line.chomp.concat($/) }.join
+      joined_lines = Array(lines).flatten.map { |line| line.chomp.concat(newline) }.join
       adapter.write(path, joined_lines)
     end
 
@@ -777,6 +777,10 @@ def remove_block(path, target)
     # @api private
     attr_reader :adapter
 
+    # @since x.x.x
+    # @api private
+    attr_reader :newline
+
     # @since 0.1.0
     # @api private
     def match?(content, target)
diff --git a/lib/dry/files/adapter.rb b/lib/dry/files/adapter.rb
index ef36e21..9fc87a3 100644
--- a/lib/dry/files/adapter.rb
+++ b/lib/dry/files/adapter.rb
@@ -7,13 +7,13 @@ class Files
     class Adapter
       # @since 0.1.0
       # @api private
-      def self.call(newline:, memory:)
+      def self.call(memory:)
         if memory
           require_relative "./memory_file_system"
           MemoryFileSystem.new
         else
           require_relative "./file_system"
-          FileSystem.new(newline: newline)
+          FileSystem.new
         end
       end
     end
diff --git a/lib/dry/files/file_system.rb b/lib/dry/files/file_system.rb
index f005e0c..3bd7745 100644
--- a/lib/dry/files/file_system.rb
+++ b/lib/dry/files/file_system.rb
@@ -17,10 +17,6 @@ class FileSystem
       # @api private
       attr_reader :file_utils
 
-      # @since x.x.x
-      # @api private
-      attr_reader :newline
-
       # Creates a new instance
       #
       # @param file [Class]
@@ -29,10 +25,9 @@ class FileSystem
       # @return [Dry::Files::FileSystem]
       #
       # @since 0.1.0
-      def initialize(newline:, file: File, file_utils: FileUtils)
+      def initialize(file: File, file_utils: FileUtils)
         @file = file
         @file_utils = file_utils
-        @newline = newline
       end
 
       # Opens (or creates) a new file for both read/write operations.
diff --git a/spec/unit/dry/files/adapter_spec.rb b/spec/unit/dry/files/adapter_spec.rb
index c1edd26..07059ff 100644
--- a/spec/unit/dry/files/adapter_spec.rb
+++ b/spec/unit/dry/files/adapter_spec.rb
@@ -2,53 +2,21 @@
 
 RSpec.describe Dry::Files::Adapter do
   describe ".call" do
-    let(:subject) { described_class.call(memory: memory, newline: newline) }
+    let(:subject) { described_class.call(memory: memory) }
 
-    describe "default newline character" do
-      let(:newline) { $INPUT_RECORD_SEPARATOR }
+    context "memory: true" do
+      let(:memory) { true }
 
-      context "memory: true" do
-        let(:memory) { true }
-
-        it "returns memory file system adapter" do
-          expect(subject).to be_kind_of(Dry::Files::MemoryFileSystem)
-        end
-      end
-
-      context "memory: false" do
-        let(:memory) { false }
-
-        it "returns real file system adapter" do
-          expect(subject).to be_kind_of(Dry::Files::FileSystem)
-        end
-
-        it "returns newline" do
-          expect(subject.newline).to eq("\n")
-        end
+      it "returns memory file system adapter" do
+        expect(subject).to be_kind_of(Dry::Files::MemoryFileSystem)
       end
     end
 
-    describe "override newline character" do
-      let(:newline) { "\r\n" }
-
-      context "memory: true" do
-        let(:memory) { true }
-
-        it "returns memory file system adapter" do
-          expect(subject).to be_kind_of(Dry::Files::MemoryFileSystem)
-        end
-      end
-
-      context "memory: false" do
-        let(:memory) { false }
-
-        it "returns real file system adapter" do
-          expect(subject).to be_kind_of(Dry::Files::FileSystem)
-        end
+    context "memory: false" do
+      let(:memory) { false }
 
-        it "returns newline" do
-          expect(subject.newline).to eq("\r\n")
-        end
+      it "returns real file system adapter" do
+        expect(subject).to be_kind_of(Dry::Files::FileSystem)
       end
     end
   end
diff --git a/spec/unit/dry/files/file_system_spec.rb b/spec/unit/dry/files/file_system_spec.rb
index 457b996..664d1d9 100644
--- a/spec/unit/dry/files/file_system_spec.rb
+++ b/spec/unit/dry/files/file_system_spec.rb
@@ -7,8 +7,6 @@
   let(:root) { Pathname.new(Dir.pwd).join("tmp", SecureRandom.uuid).tap(&:mkpath) }
   let(:newline) { $INPUT_RECORD_SEPARATOR }
 
-  subject { described_class.new(newline: newline) }
-
   after do
     FileUtils.remove_entry_secure(root)
   end