diff --git a/libs/core/serial.cpp b/libs/core/serial.cpp
index 1c0897bc..512f3912 100644
--- a/libs/core/serial.cpp
+++ b/libs/core/serial.cpp
@@ -100,16 +100,4 @@ namespace serial {
       uBit.serial.redirect(txp->name, rxp->name);
       uBit.serial.baud((int)rate);
     }
-
-   /**
-    * Reset the serial instance to use the USBTX and USBRX at the default baud rate.
-    */
-    //% weight=10
-    //% help=serial/reset
-    //% blockId=serial_reset block="serial pin reset"
-    //% blockExternalInputs=1
-    void reset() {
-      uBit.serial.redirect(USBTX, USBRX);
-      uBit.serial.baud(MICROBIT_SERIAL_DEFAULT_BAUD_RATE);
-    }
 }
diff --git a/libs/core/shims.d.ts b/libs/core/shims.d.ts
index 7cd61794..0ba88887 100644
--- a/libs/core/shims.d.ts
+++ b/libs/core/shims.d.ts
@@ -760,15 +760,6 @@ declare namespace serial {
     //% blockId=serial_redirect block="serial|redirect to|TX %tx|RX %rx|at baud rate %rate"
     //% blockExternalInputs=1 shim=serial::redirect
     function redirect(tx: SerialPin, rx: SerialPin, rate: BaudRate): void;
-
-    /**
-     * Reset the serial instance to use the USBTX and USBRX at the default baud rate.
-     */
-    //% weight=10
-    //% help=serial/reset
-    //% blockId=serial_reset block="serial pin reset"
-    //% blockExternalInputs=1 shim=serial::reset
-    function reset(): void;
 }