diff --git a/libs/lpad-sm-dp-plus-connector/build.gradle b/libs/lpad-sm-dp-plus-connector/build.gradle
index 11e5ab1..7e74c5b 100644
--- a/libs/lpad-sm-dp-plus-connector/build.gradle
+++ b/libs/lpad-sm-dp-plus-connector/build.gradle
@@ -11,7 +11,6 @@ dependencies {
     implementation 'com.beanit:asn1bean:1.13.0'
     implementation 'com.fazecast:jSerialComm:1.3.11'
     implementation 'org.apache.commons:commons-lang3:3.7'
-    implementation 'commons-io:commons-io:2.6'
     implementation 'commons-codec:commons-codec:1.11'
     implementation 'com.google.code.gson:gson:2.8.4'
     testImplementation 'junit:junit:4.12'
diff --git a/libs/lpad-sm-dp-plus-connector/src/main/java/com/truphone/es9plus/HttpRSPClient.java b/libs/lpad-sm-dp-plus-connector/src/main/java/com/truphone/es9plus/HttpRSPClient.java
index 8e0a3af..5c429d2 100644
--- a/libs/lpad-sm-dp-plus-connector/src/main/java/com/truphone/es9plus/HttpRSPClient.java
+++ b/libs/lpad-sm-dp-plus-connector/src/main/java/com/truphone/es9plus/HttpRSPClient.java
@@ -1,7 +1,8 @@
 package com.truphone.es9plus;
 
 import com.truphone.util.LogStub;
-import org.apache.commons.io.IOUtils;
+import com.truphone.util.TextUtil;
+
 import org.apache.commons.lang3.StringUtils;
 
 import java.io.BufferedWriter;
@@ -89,7 +90,7 @@ public class HttpRSPClient {
         os.close();
 
         httpResponse.setStatusCode(con.getResponseCode());
-        httpResponse.setContent(IOUtils.toString(con.getInputStream(), StandardCharsets.UTF_8));
+        httpResponse.setContent(new String(TextUtil.readInputStream(con.getInputStream()), StandardCharsets.UTF_8));
 
         return httpResponse;
     }
diff --git a/libs/lpad-sm-dp-plus-connector/src/main/java/com/truphone/util/TextUtil.kt b/libs/lpad-sm-dp-plus-connector/src/main/java/com/truphone/util/TextUtil.kt
index 8fb4f19..43dd934 100644
--- a/libs/lpad-sm-dp-plus-connector/src/main/java/com/truphone/util/TextUtil.kt
+++ b/libs/lpad-sm-dp-plus-connector/src/main/java/com/truphone/util/TextUtil.kt
@@ -1,5 +1,6 @@
 package com.truphone.util
 
+import java.io.InputStream
 import java.lang.StringBuilder
 
 object TextUtil {
@@ -77,4 +78,12 @@ object TextUtil {
         }
         return builder.toString()
     }
+
+    /*
+     * Read an InputStream into a ByteArray
+     * This is exposed to the Java side as a convenience
+     * TODO: Remove when we migrate the full code base to Kotlin
+     */
+    @JvmStatic
+    fun readInputStream(i: InputStream): ByteArray = i.readBytes()
 }
\ No newline at end of file