diff --git a/zio-http/jvm/src/main/scala/zio/http/netty/model/Conversions.scala b/zio-http/jvm/src/main/scala/zio/http/netty/model/Conversions.scala
index a67cacc879..374c9ba27f 100644
--- a/zio-http/jvm/src/main/scala/zio/http/netty/model/Conversions.scala
+++ b/zio-http/jvm/src/main/scala/zio/http/netty/model/Conversions.scala
@@ -71,10 +71,6 @@ private[netty] object Conversions {
     url0.relative.addLeadingSlash.encode
   }
 
-  private def validateHeaderValue(value: String): Boolean = {
-    value.contains('\r') || value.contains('\n') || value.contains('\u0000')
-  }
-
   private def nettyHeadersIterator(headers: HttpHeaders): Iterator[Header] =
     new AbstractIterator[Header] {
       private val nettyIterator = headers.iteratorCharSequence()
@@ -103,10 +99,6 @@ private[netty] object Conversions {
     while (iter.hasNext) {
       val header = iter.next()
       val name   = header.headerName
-      val value  = header.renderedValueAsCharSequence.toString
-      if (validateHeaderValue(value)) {
-        throw new IllegalArgumentException(s"Invalid header value containing prohibited characters in header $name")
-      }
       if (name == setCookieName) {
         nettyHeaders.add(name, header.renderedValueAsCharSequence)
       } else {