diff --git a/libs/core/input.ts b/libs/core/input.ts
index 3d8c7a78..001f07a3 100644
--- a/libs/core/input.ts
+++ b/libs/core/input.ts
@@ -77,29 +77,4 @@ namespace input {
     export function runningTimeMicros() {
         return control.micros();
     }
-
-
-     /**
-      * gets the level of loudness in 0-100%
-      */
-    //% blockId="loudness"
-    //% block="Loudness"
-
-    export function loudness(): number {
-        let value = 0
-        let max = 0
-        let min = 1023
-        for (let index = 0; index < 32; index++) {
-            value = pins.analogReadPin(50)
-            if (value > max) {
-                max = value
-            } else if (value < min) {
-                min = value
-            }
-        }
-        value = (max - min) * 977 / 10000
-        return value
-    }
-
-
 }