diff --git a/pom.xml b/pom.xml
index 44aac58..726392a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
     <groupId>org.webjars</groupId>
     <artifactId>bootstrap</artifactId>
     <name>Bootstrap</name>
-    <version>5.1.3-SNAPSHOT</version>
+    <version>5.1.4-SNAPSHOT</version>
     <packaging>jar</packaging>
     <description>WebJar for Bootstrap</description>
     <url>http://webjars.org</url>
@@ -21,6 +21,7 @@
             <groupId>org.webjars</groupId>
             <artifactId>popper.js</artifactId>
             <version>2.9.3</version>
+            <optional>true</optional>
         </dependency>
     </dependencies>
 
diff --git a/src/main/resources/webjars-requirejs.js b/src/main/resources/webjars-requirejs.js
deleted file mode 100644
index 5e9193b..0000000
--- a/src/main/resources/webjars-requirejs.js
+++ /dev/null
@@ -1,11 +0,0 @@
-/*global requirejs */
-
-// Ensure any request for this webjar brings in jQuery.
-requirejs.config({
-  paths: { 
-    "bootstrap": webjars.path("bootstrap", "js/bootstrap"),
-    "bootstrap-css": webjars.path("bootstrap", "css/bootstrap")  
-  },
-  shim: { "bootstrap": [ "jquery" ] }
-});
-