diff --git a/libraries/stdlib/wasm/internal/kotlin/wasm/internal/Number2String.kt b/libraries/stdlib/wasm/internal/kotlin/wasm/internal/Number2String.kt
index 5914c98f601..132fa12f712 100644
--- a/libraries/stdlib/wasm/internal/kotlin/wasm/internal/Number2String.kt
+++ b/libraries/stdlib/wasm/internal/kotlin/wasm/internal/Number2String.kt
@@ -261,7 +261,6 @@ private fun grisu2(value: Double, buffer: WasmCharArray, sign: Int): Int {
     var exp_pow = _exp_pow
 
     var w_frc = umul64f(frc, frc_pow)
-    var w_exp = umul64e(exp, exp_pow)
 
     var wp_frc = umul64f(_frc_plus, frc_pow) - 1
     var wp_exp = umul64e(_exp, exp_pow)
@@ -269,7 +268,7 @@ private fun grisu2(value: Double, buffer: WasmCharArray, sign: Int): Int {
     var wm_frc = umul64f(_frc_minus, frc_pow) + 1
     var delta = wp_frc - wm_frc
 
-    return genDigits(buffer, w_frc, w_exp, wp_frc, wp_exp, delta, sign);
+    return genDigits(buffer, w_frc, wp_frc, wp_exp, delta, sign);
 }
 
 private fun umul64f(u: Long, v: Long): Long {
@@ -321,7 +320,7 @@ private fun getCachedPower(minExp: Int) {
     _exp_pow = EXP_POWERS[index].toInt()
 }
 
-private fun genDigits(buffer: WasmCharArray, w_frc: Long, w_exp: Int, mp_frc: Long, mp_exp: Int, deltaInp: Long, sign: Int): Int {
+private fun genDigits(buffer: WasmCharArray, w_frc: Long, mp_frc: Long, mp_exp: Int, deltaInp: Long, sign: Int): Int {
     var delta = deltaInp
     val one_exp = -mp_exp
     val one_frc = 1L shl one_exp