--- slf4j-v_1.7.32/slf4j-log4j12/src/main/java/org/apache/log4j/MDCFriend.java	2021-07-29 20:27:41.000000000 +0200
+++ slf4j-v_1.7.32/slf4j-log4j12/src/main/java/org/apache/log4j/MDCFriend.java	2022-02-22 10:46:34.151501274 +0100
@@ -10,7 +10,6 @@
 	public static void fixForJava9() {
 		if (MDC.mdc.tlm == null) {
 			MDC.mdc.tlm = new ThreadLocalMap();
-			MDC.mdc.java1 = false;
 			setRemoveMethod(MDC.mdc);
 		}