diff --git a/discovery/cached/memory/memcache.go b/discovery/cached/memory/memcache.go
index 6e01066b..9de389fa 100644
--- a/discovery/cached/memory/memcache.go
+++ b/discovery/cached/memory/memcache.go
@@ -19,8 +19,6 @@ package memory
 import (
 	"errors"
 	"fmt"
-	"net"
-	"net/url"
 	"sync"
 	"syscall"
 
@@ -64,19 +62,11 @@ var _ discovery.CachedDiscoveryInterface = &memCacheClient{}
 // "Connection reset" error which usually means that apiserver is temporarily
 // unavailable.
 func isTransientConnectionError(err error) bool {
-	urlError, ok := err.(*url.Error)
-	if !ok {
-		return false
+	var errno syscall.Errno
+	if errors.As(err, &errno) {
+		return errno == syscall.ECONNREFUSED || errno == syscall.ECONNRESET
 	}
-	opError, ok := urlError.Err.(*net.OpError)
-	if !ok {
-		return false
-	}
-	errno, ok := opError.Err.(syscall.Errno)
-	if !ok {
-		return false
-	}
-	return errno == syscall.ECONNREFUSED || errno == syscall.ECONNRESET
+	return false
 }
 
 func isTransientError(err error) bool {