diff --git a/ncat_reg_stdin.diff b/ncat_reg_stdin.diff
deleted file mode 100644
index e6034b2..0000000
--- a/ncat_reg_stdin.diff
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -up nmap-6.01/ncat/ncat_main.c.noepoll nmap-6.01/ncat/ncat_main.c
---- nmap-6.01/ncat/ncat_main.c.noepoll	2013-01-04 12:50:18.670295473 +0100
-+++ nmap-6.01/ncat/ncat_main.c	2013-01-04 12:50:18.692295660 +0100
-@@ -280,6 +280,8 @@ int main(int argc, char *argv[])
- #ifdef WIN32
-     windows_init();
- #endif
-+    
-+    nsock_set_default_engine("select");
- 
-     while (1) {
-         /* handle command line arguments */
diff --git a/ncat_reg_stdin.patch b/ncat_reg_stdin.patch
deleted file mode 100644
index e6034b2..0000000
--- a/ncat_reg_stdin.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -up nmap-6.01/ncat/ncat_main.c.noepoll nmap-6.01/ncat/ncat_main.c
---- nmap-6.01/ncat/ncat_main.c.noepoll	2013-01-04 12:50:18.670295473 +0100
-+++ nmap-6.01/ncat/ncat_main.c	2013-01-04 12:50:18.692295660 +0100
-@@ -280,6 +280,8 @@ int main(int argc, char *argv[])
- #ifdef WIN32
-     windows_init();
- #endif
-+    
-+    nsock_set_default_engine("select");
- 
-     while (1) {
-         /* handle command line arguments */
diff --git a/nmap-4.03-mktemp.patch b/nmap-4.03-mktemp.patch
deleted file mode 100644
index 68baffe..0000000
--- a/nmap-4.03-mktemp.patch
+++ /dev/null
@@ -1,23 +0,0 @@
---- nmap-4.03/shtool.mktemp	2006-05-10 13:09:34.000000000 +0200
-+++ nmap-4.03/shtool	2006-05-10 13:13:58.000000000 +0200
-@@ -579,15 +579,11 @@
-     else
-         tmpdir="/tmp"
-     fi
--    tmpdir="$tmpdir/.shtool.$$"
--    ( umask 077
--      rm -rf "$tmpdir" >/dev/null 2>&1 || true
--      mkdir  "$tmpdir" >/dev/null 2>&1
--      if [ $? -ne 0 ]; then
--          echo "$msgprefix:Error: failed to create temporary directory \`$tmpdir'" 1>&2
--          exit 1
--      fi
--    )
-+    tmpdir=`mktemp -p $tmpdir -d`
-+    if [ $? -ne 0 ]; then
-+       echo "$msgprefix:Error: failed to create temporary directory \`$tmpdir'" 1>&2
-+       exit 1
-+    fi
- 
-     #   create (implicitly) secure temporary file
-     tmpfile="$tmpdir/shtool.tmp"
diff --git a/nmap-4.52-noms.patch b/nmap-4.52-noms.patch
deleted file mode 100644
index 2161715..0000000
--- a/nmap-4.52-noms.patch
+++ /dev/null
@@ -1,24 +0,0 @@
-diff -up nmap-4.90RC1/docs/nmap.1.noms nmap-4.90RC1/docs/nmap.1
---- nmap-4.90RC1/docs/nmap.1.noms	2009-06-25 01:12:51.000000000 +0200
-+++ nmap-4.90RC1/docs/nmap.1	2009-07-16 09:58:22.090769947 +0200
-@@ -282,7 +282,7 @@ Nmap 4\&.90RC1 ( http://nmap\&.org )
- Usage: nmap [Scan Type(s)] [Options] {target specification}
- TARGET SPECIFICATION:
-   Can pass hostnames, IP addresses, networks, etc\&.
--  Ex: scanme\&.nmap\&.org, microsoft\&.com/24, 192\&.168\&.0\&.1; 10\&.0\&.0\-255\&.1\-254
-+  Ex: scanme\&.nmap\&.org, 192\&.168\&.0\&.1; 10\&.0\&.0\-255\&.1\-254
-   \-iL <inputfilename>: Input from list of hosts/networks
-   \-iR <num hosts>: Choose random targets
-   \-\-exclude <host1[,host2][,host3],\&.\&.\&.>: Exclude hosts/networks
-diff -up nmap-4.90RC1/docs/nmap.usage.txt.noms nmap-4.90RC1/docs/nmap.usage.txt
---- nmap-4.90RC1/docs/nmap.usage.txt.noms	2009-06-25 01:12:51.000000000 +0200
-+++ nmap-4.90RC1/docs/nmap.usage.txt	2009-07-16 09:56:24.758078049 +0200
-@@ -2,7 +2,7 @@ Nmap 4.90RC1 ( http://nmap.org )
- Usage: nmap [Scan Type(s)] [Options] {target specification}
- TARGET SPECIFICATION:
-   Can pass hostnames, IP addresses, networks, etc.
--  Ex: scanme.nmap.org, microsoft.com/24, 192.168.0.1; 10.0.0-255.1-254
-+  Ex: scanme.nmap.org, 192.168.0.1; 10.0.0-255.1-254
-   -iL <inputfilename>: Input from list of hosts/networks
-   -iR <num hosts>: Choose random targets
-   --exclude <host1[,host2][,host3],...>: Exclude hosts/networks
diff --git a/nmap-6.25-displayerror.patch b/nmap-6.25-displayerror.patch
deleted file mode 100644
index 6b59845..0000000
--- a/nmap-6.25-displayerror.patch
+++ /dev/null
@@ -1,17 +0,0 @@
-diff -up nmap-6.25/zenmap/zenmapGUI/App.py.displayerror nmap-6.25/zenmap/zenmapGUI/App.py
---- nmap-6.25/zenmap/zenmapGUI/App.py.displayerror	2013-05-23 15:11:46.595569883 +0200
-+++ nmap-6.25/zenmap/zenmapGUI/App.py	2013-05-23 15:12:44.786049525 +0200
-@@ -116,7 +116,12 @@ except Exception:
-     # startup scripts, and for some reason the first connection (the one that
-     # caused the launch) is rejected. But somehow subsequent connections work
-     # fine! So if the import fails, try one more time.
--    import gtk
-+    try:
-+        import gtk
-+    except Exception, e:
-+        print >> sys.stderr, 'Error:', str(e)
-+        sys.exit(1)
-+
- warnings.resetwarnings()
- 
- from zenmapGUI.higwidgets.higdialogs import HIGAlertDialog
diff --git a/nmap.spec b/nmap.spec
index 5c431bc..0f136bb 100644
--- a/nmap.spec
+++ b/nmap.spec
@@ -3,17 +3,13 @@
 Name:                nmap
 Epoch:               2
 Version:             7.70
-Release:             9
+Release:             10
 License:             Nmap
 Summary:             A tool for network discovery and security auditing.
 Requires:            %{name}-ncat = %{epoch}:%{version}-%{release}
 URL:                 https://nmap.org/
 Source0:             https://nmap.org/dist/%{name}-%{version}%{?prerelease}.tar.bz2
 
-Patch1:              nmap-4.03-mktemp.patch
-Patch2:              nmap-4.52-noms.patch
-Patch3:              ncat_reg_stdin.patch
-Patch4:              nmap-6.25-displayerror.patch
 Patch6000:           CVE-2017-18594.patch
 Patch6001:	     CVE-2018-15173.patch
 
@@ -74,6 +70,12 @@ ln -s ncat %{buildroot}%{_bindir}/nc
 %{_mandir}/man1/*.1.gz
 
 %changelog
+* Sat Jan 11 2020 openEuler Buildteam <buildteam@openeuler.org> - 2:7.70-10
+- Type:NA
+- ID:NA
+- SUG:NA
+- DESC:delete unused patches
+
 * Sat Dec 21 2019 openEuler Buildteam <buildteam@openeuler.org> - 2:7.70-9
 - Type:cves
 - ID:CVE-2018-15173