diff --git a/book/src/js/deposit.js b/book/src/js/deposit.js
deleted file mode 100644
index 58895854f..000000000
--- a/book/src/js/deposit.js
+++ /dev/null
@@ -1,127 +0,0 @@
-const NETWORK = "5";
-const NETWORK_NAME = "Goerli Test Network";
-const DEPOSIT_CONTRACT = "0x07b39F4fDE4A38bACe212b546dAc87C58DfE3fDC";
-const DEPOSIT_AMOUNT_ETH = "32";
-const GAS_LIMIT = "4000000";
-const DEPOSIT_DATA_BYTES = 420;
-
-let PREVIOUS_NON_ERROR_STATE = "";
-
-$(document).ready(function(){
-	if (typeof window.ethereum !== 'undefined') {
-		ethereum.on('networkChanged', function (accounts) {
-			checkNetwork()
-		})
-
-		PREVIOUS_NON_ERROR_STATE = "upload";
-		checkNetwork()
-	} else {
-		console.error("No metamask detected!")
-		triggerError("Metamask is not installed.<br> <a href='https://metamask.io'>Get Metamask.</a>")
-	}
-
-	$("#fileInput").change(function() {
-			openFile(this.files[0])
-	});
-
-	$("#uploadButton").on("click", function() {
-		$("#fileInput").trigger("click");
-	});
-});
-
-function checkNetwork() {
-		if (window.ethereum.networkVersion === NETWORK) {
-			setUiState(PREVIOUS_NON_ERROR_STATE)
-		} else {
-			triggerError("Please set Metamask to use " + NETWORK_NAME + ".")
-		}
-}
-
-function doDeposit(deposit_data) {
-	const ethereum = window.ethereum;
-	const utils = ethers.utils;
-
-	let wei = utils.parseEther(DEPOSIT_AMOUNT_ETH);
-	let gasLimit = utils.bigNumberify(GAS_LIMIT);
-
-	ethereum.enable()
-		.then(function (accounts) {
-			let params = [{
-				"from": accounts[0],
-				"to": DEPOSIT_CONTRACT,
-				"gas": utils.hexlify(gasLimit),
-				"value": utils.hexlify(wei),
-				"data": deposit_data
-			}]
-
-			ethereum.sendAsync({
-				method: 'eth_sendTransaction',
-				params: params,
-				from: accounts[0], // Provide the user's account to use.
-			}, function (err, result) {
-				if (err !== null) {
-					triggerError("<p>" + err.message + "</p><p><a href=''>Reload</a> the window to try again.</p>")
-				} else {
-					let tx_hash = result.result;
-					$("#txLink").attr("href", "https://goerli.etherscan.io/tx/" + tx_hash);
-					setUiState("waiting");
-				}
-			})
-		})
-		.catch(function (error) {
-			triggerError("Unable to get Metamask accounts.<br>Reload page to try again.")
-		})
-
-}
-
-function openFile(file) {
-  var reader = new FileReader();
-
-	reader.onload = function () {
-		let data = reader.result;
-		if (data.startsWith("0x")) {
-			if (data.length === DEPOSIT_DATA_BYTES * 2 + 2) {
-				doDeposit(data)
-			} else {
-				triggerError("Invalid eth1_deposit_file. Bad length.")
-			}
-		} else {
-			triggerError("Invalid eth1_deposit_file. Did not start with 0x.")
-		}
-  }
-
-  reader.readAsBinaryString(file);
-}
-
-function triggerError(text) {
-	$("#errorText").html(text);
-	setUiState("error");
-}
-
-function setUiState(state) {
-	if (state === "upload") {
-		$('#uploadDiv').show();
-		$('#depositDiv').hide();
-		$('#waitingDiv').hide();
-		$('#errorDiv').hide();
-	} else if (state == "deposit") {
-		$('#uploadDiv').hide();
-		$('#depositDiv').show();
-		$('#waitingDiv').hide();
-		$('#errorDiv').hide();
-	} else if (state == "error") {
-		$('#uploadDiv').hide();
-		$('#depositDiv').hide();
-		$('#waitingDiv').hide();
-		$('#errorDiv').show();
-	} else if (state == "waiting") {
-		$('#uploadDiv').hide();
-		$('#depositDiv').hide();
-		$('#waitingDiv').show();
-		$('#errorDiv').hide();
-	}
-
-	if (state !== "error") {
-		PREVIOUS_NON_ERROR_STATE = state;
-	}
-}