diff --git a/libnymea/interfaces/evcharger.json b/libnymea/interfaces/evcharger.json
index 77179e60..2ada69b1 100644
--- a/libnymea/interfaces/evcharger.json
+++ b/libnymea/interfaces/evcharger.json
@@ -1,4 +1,12 @@
 {
-    "description": "An EV-charger. Extends the power interface for charging/not charging an electric vehicle.",
-    "extends": "power"
+    "description": "An EV-charger. Extends the power interface for charging/not charging an electric vehicle. Supports regulation of the max. charging current in addition to be powered on or off.",
+    "extends": "power",
+    "states": [
+        {
+            "name": "maxChargingCurrent",
+            "type": "double",
+            "writable": true,
+            "unit": "Ampere"
+        }
+    ]
 }
diff --git a/libnymea/interfaces/extendedevcharger.json b/libnymea/interfaces/extendedevcharger.json
deleted file mode 100644
index 1a13b2dc..00000000
--- a/libnymea/interfaces/extendedevcharger.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "description": "An extended version of the EV-charger interface. Supports regulation of percentage in addition ot be powered on or off.",
-    "extends": "evcharger",
-    "states": [
-        {
-            "name": "maxChargingCurrent",
-            "type": "uint",
-            "writable": true,
-            "unit": "MilliAmpere"
-        }
-    ]
-}
diff --git a/libnymea/interfaces/interfaces.qrc b/libnymea/interfaces/interfaces.qrc
index aff05e3f..89d82f1e 100644
--- a/libnymea/interfaces/interfaces.qrc
+++ b/libnymea/interfaces/interfaces.qrc
@@ -67,7 +67,6 @@
         <file>useraccesscontrol.json</file>
         <file>heating.json</file>
         <file>evcharger.json</file>
-        <file>extendedevcharger.json</file>
         <file>noisesensor.json</file>
         <file>windspeedsensor.json</file>
         <file>co2sensor.json</file>