diff --git a/whois-5.2.15-fix-CIDR-with-libidn2.patch b/whois-5.2.15-fix-CIDR-with-libidn2.patch
deleted file mode 100644
index 8d34089..0000000
--- a/whois-5.2.15-fix-CIDR-with-libidn2.patch
+++ /dev/null
@@ -1,76 +0,0 @@
-From d6e33ff64742f48f2022980fd4889ec36662cc30 Mon Sep 17 00:00:00 2001
-From: Andreas Stieger <astieger@suse.com>
-Date: Tue, 4 Apr 2017 18:27:37 +0200
-Subject: [PATCH 1/2] Fix CIDR notation and IPv6 queries with libidn2
-
-Fixes #50
-Fixes https://bugzilla.opensuse.org/show_bug.cgi?id=1026831
-Signed-off-by: Andreas Stieger <astieger@suse.com>
----
- whois.c | 12 ++++++++++++
- 1 file changed, 12 insertions(+)
-
-diff --git a/whois.c b/whois.c
-index 8f5f1f1..7259c7f 100644
---- a/whois.c
-+++ b/whois.c
-@@ -1172,6 +1172,12 @@ char *normalize_domain(const char *dom)
- 	int prefix_len;
- 
- #ifdef HAVE_LIBIDN2
-+        /* skip CIDR notation */
-+	if (NULL != strchr(domain_start, '/'))
-+            return ret;
-+	/* skip IPv6 */
-+	if (NULL != strchr(domain_start, ':'))
-+            return ret;
- 	if (idn2_lookup_ul(domain_start, &q, IDN2_NONTRANSITIONAL) != IDN2_OK)
- 	    return ret;
- #else
-@@ -1193,6 +1199,12 @@ char *normalize_domain(const char *dom)
- 	char *q;
- 
- #ifdef HAVE_LIBIDN2
-+        /* skip CIDR notation */
-+	if (NULL != strchr(ret, '/'))
-+            return ret;
-+        /* skip IPv6 */
-+	if (NULL != strchr(ret, ':'))
-+            return ret;
- 	if (idn2_lookup_ul(ret, &q, IDN2_NONTRANSITIONAL) != IDN2_OK)
- 	    return ret;
- #else
-
-From 1e6a7b3f0d585768f7136abda2db797c64159157 Mon Sep 17 00:00:00 2001
-From: Andreas Stieger <astieger@suse.com>
-Date: Tue, 23 May 2017 23:30:11 +0200
-Subject: [PATCH 2/2] When using libidn2, also try IDNA 2008 transitional
-
----
- whois.c | 6 ++++--
- 1 file changed, 4 insertions(+), 2 deletions(-)
-
-diff --git a/whois.c b/whois.c
-index 7259c7f..00ca962 100644
---- a/whois.c
-+++ b/whois.c
-@@ -1179,7 +1179,8 @@ char *normalize_domain(const char *dom)
- 	if (NULL != strchr(domain_start, ':'))
-             return ret;
- 	if (idn2_lookup_ul(domain_start, &q, IDN2_NONTRANSITIONAL) != IDN2_OK)
--	    return ret;
-+	    if (idn2_lookup_ul(domain_start, &q, IDN2_TRANSITIONAL) != IDN2_OK)
-+	        return ret;
- #else
- 	if (idna_to_ascii_lz(domain_start, &q, 0) != IDNA_SUCCESS)
- 	    return ret;
-@@ -1206,7 +1207,8 @@ char *normalize_domain(const char *dom)
- 	if (NULL != strchr(ret, ':'))
-             return ret;
- 	if (idn2_lookup_ul(ret, &q, IDN2_NONTRANSITIONAL) != IDN2_OK)
--	    return ret;
-+	    if (idn2_lookup_ul(ret, &q, IDN2_TRANSITIONAL) != IDN2_OK)
-+	        return ret;
- #else
- 	if (idna_to_ascii_lz(ret, &q, 0) != IDNA_SUCCESS)
- 	    return ret;
diff --git a/whois.changes b/whois.changes
index 9af2ab2..98dc39f 100644
--- a/whois.changes
+++ b/whois.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Aug 18 09:32:25 UTC 2017 - astieger@suse.com
+
+- drop whois-5.2.15-fix-CIDR-with-libidn2.patch, no longer required
+  with libidn2 >= 2.0.3
+
 -------------------------------------------------------------------
 Fri Jun 16 12:24:36 UTC 2017 - astieger@suse.com
 
diff --git a/whois.spec b/whois.spec
index 9738b10..6f07652 100644
--- a/whois.spec
+++ b/whois.spec
@@ -30,7 +30,6 @@ Source2:        %{name}.keyring
 # rename .dsc to not build the package in OBS
 Source3:        http://ftp.debian.org/debian/pool/main/w/whois/%{name}_%{version}.dsc#/%{name}.asc
 Patch0:         whois-nobsdsource.patch
-Patch1:         whois-5.2.15-fix-CIDR-with-libidn2.patch
 BuildRequires:  pkgconfig
 BuildRequires:  xz
 BuildRequires:  pkgconfig(libidn2)
@@ -65,7 +64,6 @@ echo "`grep -A1 "Checksums-Sha256" %{SOURCE3} | grep %{name}_%{version}.tar.xz |
 
 %setup -q
 %patch0 -p1
-%patch1 -p1
 
 %build
 make all mkpasswd HAVE_LIBIDN2=1 HAVE_ICONV=1 %{?_smp_mflags} \