diff --git a/alternative-path-to-tzdb_dat.patch b/alternative-path-to-tzdb_dat.patch
deleted file mode 100644
index 935fdc9..0000000
--- a/alternative-path-to-tzdb_dat.patch
+++ /dev/null
@@ -1,63 +0,0 @@
---- a/jdk/src/share/classes/sun/util/calendar/ZoneInfoFile.java	2020-01-22 11:12:33.000000000 +0100
-+++ b/jdk/src/share/classes/sun/util/calendar/ZoneInfoFile.java	2020-01-29 09:40:23.558260593 +0100
-@@ -31,6 +31,7 @@
- import java.io.DataInputStream;
- import java.io.File;
- import java.io.FileInputStream;
-+import java.io.InputStream;
- import java.io.IOException;
- import java.io.StreamCorruptedException;
- import java.security.AccessController;
-@@ -47,6 +48,7 @@
- import java.util.Map;
- import java.util.Map.Entry;
- import java.util.Objects;
-+import java.util.Properties;
- import java.util.Set;
- import java.util.SimpleTimeZone;
- import java.util.concurrent.ConcurrentHashMap;
-@@ -251,7 +253,15 @@
-         AccessController.doPrivileged(new PrivilegedAction<Object>() {
-             public Object run() {
-                 try {
--                    String libDir = System.getProperty("java.home") + File.separator + "lib";
-+                    final String homeDir = System.getProperty("java.home");
-+                    if (homeDir == null) {
-+                        throw new Error("java.home is not set");
-+                    }
-+                    String libDir = homeDir + File.separator + "lib";
-+                    String otherDir = getZoneInfoDir(libDir);
-+                    if (otherDir != null)
-+                        libDir = otherDir;
-+
-                     try (DataInputStream dis = new DataInputStream(
-                              new BufferedInputStream(new FileInputStream(
-                                  new File(libDir, "tzdb.dat"))))) {
-@@ -264,6 +274,27 @@
-             }
-         });
-     }
-+
-+    private static String getZoneInfoDir(final String libDir) {
-+        return AccessController.doPrivileged (new PrivilegedAction<String>() {
-+            public String run() {
-+                File f = new File(libDir + File.separator + "tz.properties");
-+                try (BufferedInputStream bin = new BufferedInputStream(new FileInputStream(f))) {
-+                    Properties props = new Properties();
-+                    props.load(bin);
-+                    String dir = props.getProperty("sun.zoneinfo.dir");
-+                    if (dir == null)
-+                        return null;
-+                    File tzdbdat = new File(dir, "tzdb.dat");
-+                    if (tzdbdat.exists())
-+                        return dir;
-+                    return null;
-+                } catch (Exception x) {
-+                    return null;
-+                }
-+            }
-+        });
-+    }
- 
-     private static void addOldMapping() {
-         for (String[] alias : oldMappings) {
diff --git a/java-1_8_0-openj9.changes b/java-1_8_0-openj9.changes
index 42e9a4c..805ba3b 100644
--- a/java-1_8_0-openj9.changes
+++ b/java-1_8_0-openj9.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Thu Mar  7 12:44:28 UTC 2024 - Fridrich Strba <fstrba@suse.com>
+
+- Removed patch:
+  * alternative-tzdb_dat.patch
+    + Remove the possibility to use the system timezone-java. It
+      creates more problems then it solves (bsc#1213470)
+
 -------------------------------------------------------------------
 Tue Feb 20 15:43:24 UTC 2024 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/java-1_8_0-openj9.spec b/java-1_8_0-openj9.spec
index e6f7801..ad63251 100644
--- a/java-1_8_0-openj9.spec
+++ b/java-1_8_0-openj9.spec
@@ -121,7 +121,6 @@ Patch201:       system-libjpeg.patch
 Patch202:       system-libpng.patch
 Patch203:       system-lcms.patch
 Patch210:       openj9-no-werror.patch
-Patch300:       alternative-path-to-tzdb_dat.patch
 BuildRequires:  alsa-lib-devel
 BuildRequires:  autoconf
 BuildRequires:  automake
@@ -227,7 +226,6 @@ Requires:       jpackage-utils
 Requires(post): update-alternatives
 # Postun requires update-alternatives to uninstall tool update-alternatives.
 Requires(postun): update-alternatives
-Recommends:     tzdata-java8
 # Standard JPackage base provides.
 Provides:       java-%{javaver}-headless = %{version}-%{release}
 Provides:       java-headless = %{javaver}
@@ -362,8 +360,6 @@ rm -rvf jdk/src/share/native/sun/java2d/cmm/lcms/lcms2*
 
 %patch -P 32 -p1
 
-%patch -P 300 -p1
-
 cat %{SOURCE100} \
     | sed "s/@OPENJ9_SHA@/`expr substr '%{openj9_revision}' 1 7`/g" \
     | sed "s/@OPENJ9_BRANCH@/%{openj9_branch}/g" \
@@ -439,9 +435,6 @@ find %{imagesdir}/j2sdk-image -iname '*.debuginfo' -exec rm {} \;
 
 export JAVA_HOME=$(pwd)/%{imagesdir}/j2sdk-image
 
-# Copy tz.properties
-echo "sun.zoneinfo.dir=%{_datadir}/javazi" >> $JAVA_HOME/jre/lib/tz.properties
-
 # cacerts are generated in runtime in openSUSE
 if [ -f %{imagesdir}/j2sdk-image/jre/lib/security/cacerts ]; then
         rm %{imagesdir}/j2sdk-image/jre/lib/security/cacerts