diff --git a/RELEASENOTES.adoc b/RELEASENOTES.adoc
index 7b2eabc2..d98713ba 100644
--- a/RELEASENOTES.adoc
+++ b/RELEASENOTES.adoc
@@ -163,7 +163,4 @@
 * PR #294: Examples always start with a newline if there is other content in the same cell
 * PR 307: Include required parameters in example request
 
-=== Version 1.4.0
-* Added openapi2markup to support OpenAPI v3
-* Issue #409: Fixed JSON response example
 
diff --git a/swagger2markup-asciidoc/src/main/java/io/github/swagger2markup/adoc/converter/internal/Delimiters.java b/swagger2markup-asciidoc/src/main/java/io/github/swagger2markup/adoc/converter/internal/Delimiters.java
index 5d39f1b8..788351eb 100644
--- a/swagger2markup-asciidoc/src/main/java/io/github/swagger2markup/adoc/converter/internal/Delimiters.java
+++ b/swagger2markup-asciidoc/src/main/java/io/github/swagger2markup/adoc/converter/internal/Delimiters.java
@@ -16,7 +16,7 @@ public class Delimiters {
     public static final String DELIMITER_THEMATIC_BREAK = "'''";
     public static final String DELIMITER_VERSE = "____";
     public static final String DOCUMENT_TITLE = "=";
-    public static final String LINE_SEPARATOR = System.getProperty("line.separator");
+    public static final String LINE_SEPARATOR = "\n";
     public static final String MARKER_LIST_ITEM = "*";
     public static final String MARKER_D_LIST_ITEM = ":";
     public static final String STYLE_HORIZONTAL = "horizontal";
diff --git a/swagger2markup/src/main/java/io/github/swagger2markup/builder/Swagger2MarkupConfigBuilder.java b/swagger2markup/src/main/java/io/github/swagger2markup/builder/Swagger2MarkupConfigBuilder.java
index c34a94a3..714541f5 100644
--- a/swagger2markup/src/main/java/io/github/swagger2markup/builder/Swagger2MarkupConfigBuilder.java
+++ b/swagger2markup/src/main/java/io/github/swagger2markup/builder/Swagger2MarkupConfigBuilder.java
@@ -31,14 +31,6 @@ public class Swagger2MarkupConfigBuilder extends Schema2MarkupConfigBuilder<Swag
                 new Schema2MarkupProperties(getCompositeConfiguration(configuration)), configuration);
     }
 
-    @Override
-    protected DefaultSchema2MarkupConfig createConfigInstance() {
-        if(config == null) {
-            config = new Swagger2MarkupConfig();
-        }
-        return config;
-    }
-
     @Override
     public Swagger2MarkupConfig build() {
         buildNaturalOrdering();