diff --git a/java-latest-openjdk.spec b/java-latest-openjdk.spec
index 2cd01636249c1a9eed75fdc62d8b2adb2587b8c0..eb0e924544f02d004f0c8767807b8ab40b5e7ad9 100644
--- a/java-latest-openjdk.spec
+++ b/java-latest-openjdk.spec
@@ -168,7 +168,7 @@
 %global top_level_dir_name   %{origin}
 %global minorver        0
 %global buildver        36
-%global rpmrelease      0
+%global rpmrelease      1
 # priority must be 8 digits in total; up to openjdk 1.8, we were using 18..... so when we moved to 11, we had to add another digit
 %if %is_system_jdk
 %global priority %( printf '%02d%02d%02d%02d' %{majorver} %{minorver} %{securityver} %{buildver} )
@@ -1718,6 +1718,9 @@ require "copy_jdk_configs.lua"
 
 %changelog
 * Tue Oct 13 2020 noah <hedongbo@huawei.com> - 1:15.0.0.36-1.rolling
+- delete redudant patches
+
+* Tue Oct 13 2020 noah <hedongbo@huawei.com> - 1:15.0.0.36-0.rolling
 - Update for JDK 15 GA
 
 * Thu Sep 17 2020 noah <hedongbo@huawei.com> - 1:15.0.0.36-0-1.ea.rolling
diff --git a/jdk8235833-posixplatform_cpp_should_not_include_sysctl_h.patch b/jdk8235833-posixplatform_cpp_should_not_include_sysctl_h.patch
deleted file mode 100644
index af438918221aa79a22bba8dee9f3555e9e019de5..0000000000000000000000000000000000000000
--- a/jdk8235833-posixplatform_cpp_should_not_include_sysctl_h.patch
+++ /dev/null
@@ -1,11 +0,0 @@
-diff --git a/src/jdk.incubator.jpackage/unix/native/libapplauncher/PosixPlatform.cpp b/src/jdk.incubator.jpackage/unix/native/libapplauncher/PosixPlatform.cpp
---- a/src/jdk.incubator.jpackage/unix/native/libapplauncher/PosixPlatform.cpp
-+++ b/src/jdk.incubator.jpackage/unix/native/libapplauncher/PosixPlatform.cpp
-@@ -33,7 +33,6 @@
- #include <stdbool.h>
- #include <sys/types.h>
- #include <unistd.h>
--#include <sys/sysctl.h>
- #include <sys/file.h>
- #include <sys/stat.h>
- #include <sys/wait.h>
diff --git a/jdk8237879-make_4_3_build_fixes.patch b/jdk8237879-make_4_3_build_fixes.patch
deleted file mode 100644
index 76da003cf0197eaa57c0701af8c9d03ba710b88a..0000000000000000000000000000000000000000
--- a/jdk8237879-make_4_3_build_fixes.patch
+++ /dev/null
@@ -1,34 +0,0 @@
-
-# HG changeset patch
-# User ihse
-# Date 1580378910 -3600
-# Node ID 0743e1d49930a95d045bfdaa8f8607a00289e677
-# Parent  24b4c763cb2276db073bec263246879eb312daeb
-8237879: make 4.3 breaks build
-Reviewed-by: erikj, tbell
-
-diff -r 24b4c763cb22 -r 0743e1d49930 make/common/MakeBase.gmk
---- a/make/common/MakeBase.gmk	Thu Jan 30 10:10:48 2020 +0100
-+++ b/make/common/MakeBase.gmk	Thu Jan 30 11:08:30 2020 +0100
-@@ -525,15 +525,16 @@
- # Param 2 - (optional) name of file to store value in
- DependOnVariableHelper = \
-     $(strip \
--        $(eval -include $(call DependOnVariableFileName, $1, $2)) \
-+        $(eval $1_filename := $(call DependOnVariableFileName, $1, $2)) \
-+        $(if $(wildcard $($1_filename)), $(eval include $($1_filename))) \
-         $(if $(call equals, $(strip $($1)), $(strip $($1_old))),,\
--          $(call MakeDir, $(dir $(call DependOnVariableFileName, $1, $2))) \
-+          $(call MakeDir, $(dir $($1_filename))) \
-           $(if $(findstring $(LOG_LEVEL), trace), \
-               $(info NewVariable $1: >$(strip $($1))<) \
-               $(info OldVariable $1: >$(strip $($1_old))<)) \
-           $(call WriteFile, $1_old:=$(call DoubleDollar,$(call EscapeHash,$($1))), \
--              $(call DependOnVariableFileName, $1, $2))) \
--        $(call DependOnVariableFileName, $1, $2) \
-+              $($1_filename))) \
-+        $($1_filename) \
-     )
- 
- # Main macro
-
diff --git a/jdk8243059-build_fails_when_with_vendor_contains_comma.patch b/jdk8243059-build_fails_when_with_vendor_contains_comma.patch
deleted file mode 100644
index bf3a82bd72a25a081bd506730d48af0a938b3cea..0000000000000000000000000000000000000000
--- a/jdk8243059-build_fails_when_with_vendor_contains_comma.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/make/launcher/LauncherCommon.gmk b/make/launcher/LauncherCommon.gmk
---- a/make/launcher/LauncherCommon.gmk
-+++ b/make/launcher/LauncherCommon.gmk
-@@ -139,7 +139,7 @@
-       OPTIMIZATION := $$($1_OPTIMIZATION), \
-       CFLAGS := $$(CFLAGS_JDKEXE) \
-           $(LAUNCHER_CFLAGS) \
--          $(VERSION_CFLAGS) \
-+          $(subst $(COMMA),$(DOLLAR)(COMMA),$(VERSION_CFLAGS)) \
-           -DLAUNCHER_NAME='"$(LAUNCHER_NAME)"' \
-           -DPROGNAME='"$1"' \
-           $$($1_CFLAGS), \