diff --git a/rambdax.js b/rambdax.js
index f07ca37..37b2af2 100644
--- a/rambdax.js
+++ b/rambdax.js
@@ -20,7 +20,6 @@ export * from './src/getter.js'
 export * from './src/glue.js'
 export * from './src/ifElseAsync.js'
 export * from './src/interpolate.js'
-export * from './src/into.js'
 export * from './src/isPromise.js'
 export * from './src/isType.js'
 export * from './src/isValid.js'
diff --git a/src/into.js b/src/into.js
deleted file mode 100644
index 00ea423..0000000
--- a/src/into.js
+++ /dev/null
@@ -1,138 +0,0 @@
-import { isArray } from './_internals/isArray';
-import { bind } from './bind.js';
-import { curry } from './curry';
-import { identity } from './identity';
-
-// move inside fn using closure, i.e. call it
-const symIterator =
-	typeof Symbol !== 'undefined' ? Symbol.iterator : '@@iterator';
-
-function _xArrayReduce(xf, acc, list) {
-	let idx = 0;
-	const len = list.length;
-	while (idx < len) {
-		// todo: @@transducer/step' must be constant
-		acc = xf['@@transducer/step'](acc, list[idx]);
-		if (acc?.['@@transducer/reduced']) {
-			acc = acc['@@transducer/value'];
-			break;
-		}
-		idx += 1;
-	}
-	return xf['@@transducer/result'](acc);
-}
-
-function _createReduce(arrayReduce, methodReduce, iterableReduce) {
-	return function _reduce(xf, acc, list) {
-		if (_isArrayLike(list)) {
-			return arrayReduce(xf, acc, list);
-		}
-		if (list == null) {
-			return acc;
-		}
-		if (list[symIterator] != null) {
-			return iterableReduce(xf, acc, list[symIterator]());
-		}
-		if (typeof list.next === 'function') {
-			return iterableReduce(xf, acc, list);
-		}
-		if (typeof list.reduce === 'function') {
-			return methodReduce(xf, acc, list, 'reduce');
-		}
-
-		throw new TypeError('reduce: list must be array or iterable');
-	};
-}
-
-function _xIterableReduce(xf, acc, iter) {
-	let step = iter.next();
-	while (!step.done) {
-		acc = xf['@@transducer/step'](acc, step.value);
-		if (acc?.['@@transducer/reduced']) {
-			acc = acc['@@transducer/value'];
-			break;
-		}
-		step = iter.next();
-	}
-	return xf['@@transducer/result'](acc);
-}
-
-function _xMethodReduce(xf, acc, obj, methodName) {
-	return xf['@@transducer/result'](
-		obj[methodName](bind(xf['@@transducer/step'], xf), acc),
-	);
-}
-
-const _xReduce = _createReduce(_xArrayReduce, _xMethodReduce, _xIterableReduce);
-
-function _isTransformer(obj) {
-	return obj != null && typeof obj['@@transducer/step'] === 'function';
-}
-
-function _isArrayLike(x) {
-	if (isArray(x)) {
-		return true;
-	}
-	if (!x) {
-		return false;
-	}
-	if (typeof x !== 'object') {
-		return false;
-	}
-	if (typeof x === 'string') {
-		return false;
-	}
-	if (x.length === 0) {
-		return true;
-	}
-	if (x.length > 0) {
-		return x.hasOwnProperty(0) && x.hasOwnProperty(x.length - 1);
-	}
-	return false;
-}
-
-const _stepCatArray = {
-	'@@transducer/init': Array,
-	'@@transducer/step': (xs, x) => {
-		xs.push(x);
-		return xs;
-	},
-	'@@transducer/result': identity,
-};
-const _stepCatString = {
-	'@@transducer/init': String,
-	'@@transducer/step': (a, b) => a + b,
-	'@@transducer/result': identity,
-};
-const _stepCatObject = {
-	'@@transducer/init': Object,
-	'@@transducer/step': (result, input) =>
-		Object.assign(
-			result,
-			_isArrayLike(input) ? { [input[0]]: input[1] } : input,
-		),
-	'@@transducer/result': identity,
-};
-
-function _stepCat(obj) {
-	if (_isTransformer(obj)) {
-		return obj;
-	}
-	if (_isArrayLike(obj)) {
-		return _stepCatArray;
-	}
-	if (typeof obj === 'string') {
-		return _stepCatString;
-	}
-	if (typeof obj === 'object') {
-		return _stepCatObject;
-	}
-	throw new Error(`Cannot create transformer for ${obj}`);
-}
-
-export function intoFn(acc, transducer, list) {
-	const xf = transducer(_isTransformer(acc) ? acc : _stepCat(acc));
-	return _xReduce(xf, xf['@@transducer/init'](), list);
-}
-
-export const into = curry(intoFn);