diff --git a/0104-curl-7.73.0-localhost6.patch b/0104-curl-7.73.0-localhost6.patch
deleted file mode 100644
index 7104dcb..0000000
--- a/0104-curl-7.73.0-localhost6.patch
+++ /dev/null
@@ -1,65 +0,0 @@
-From 70734612c0f2f6f864e771ab4d2509c903342739 Mon Sep 17 00:00:00 2001
-From: Kamil Dudka <kdudka@redhat.com>
-Date: Wed, 14 Oct 2020 09:41:28 +0200
-Subject: [PATCH] use localhost6 instead of ip6-localhost in the curl
- test-suite
-
----
- tests/data/test1083 | 6 +++---
- tests/data/test241  | 8 ++++----
- 2 files changed, 7 insertions(+), 7 deletions(-)
-
-diff --git a/tests/data/test1083 b/tests/data/test1083
-index e441278..b0958b6 100644
---- a/tests/data/test1083
-+++ b/tests/data/test1083
-@@ -33,13 +33,13 @@ ipv6
- http-ipv6
- </server>
-  <name>
--HTTP-IPv6 GET with ip6-localhost --interface
-+HTTP-IPv6 GET with localhost6 --interface
-  </name>
-  <command>
---g "http://%HOST6IP:%HTTP6PORT/1083" --interface ip6-localhost
-+-g "http://%HOST6IP:%HTTP6PORT/1083" --interface localhost6
- </command>
- <precheck>
--perl -e "if ('%CLIENT6IP' ne '[::1]') {print 'Test requires default test client host address';} else {exec './server/resolve --ipv6 ip6-localhost'; print 'Cannot run precheck resolve';}"
-+perl -e "if ('%CLIENT6IP' ne '[::1]') {print 'Test requires default test client host address';} else {exec './server/resolve --ipv6 localhost6'; print 'Cannot run precheck resolve';}"
- </precheck>
- </client>
- 
-diff --git a/tests/data/test241 b/tests/data/test241
-index 46eae1f..4e1632c 100644
---- a/tests/data/test241
-+++ b/tests/data/test241
-@@ -30,13 +30,13 @@ ipv6
- http-ipv6
- </server>
-  <name>
--HTTP-IPv6 GET (using ip6-localhost)
-+HTTP-IPv6 GET (using localhost6)
-  </name>
-  <command>
---g "http://ip6-localhost:%HTTP6PORT/241"
-+-g "http://localhost6:%HTTP6PORT/241"
- </command>
- <precheck>
--./server/resolve --ipv6 ip6-localhost
-+./server/resolve --ipv6 localhost6
- </precheck>
- </client>
- 
-@@ -45,7 +45,7 @@ HTTP-IPv6 GET (using ip6-localhost)
- <verify>
- <protocol>
- GET /241 HTTP/1.1
--Host: ip6-localhost:%HTTP6PORT
-+Host: localhost6:%HTTP6PORT
- User-Agent: curl/%VERSION
- Accept: */*
- 
--- 
-2.25.4
-
diff --git a/curl.spec b/curl.spec
index afdd1b8..b3a1402 100644
--- a/curl.spec
+++ b/curl.spec
@@ -14,9 +14,6 @@ Patch101: 0101-curl-7.32.0-multilib.patch
 # prevent configure script from discarding -g in CFLAGS (#496778)
 Patch102: 0102-curl-7.36.0-debug.patch
 
-# use localhost6 instead of ip6-localhost in the curl test-suite
-Patch104: 0104-curl-7.73.0-localhost6.patch
-
 # prevent valgrind from reporting false positives on x86_64
 Patch105: 0105-curl-7.63.0-lib1560-valgrind.patch
 
@@ -191,12 +188,8 @@ be installed.
 # Fedora patches
 %patch101 -p1
 %patch102 -p1
-%patch104 -p1
 %patch105 -p1
 
-# regenerate the configure script and Makefile.in files
-autoreconf -fiv
-
 # disable test 1112 (#565305), test 1455 (occasionally fails with 'bind failed
 # with errno 98: Address already in use' in Koji environment), and test 1801
 # <https://github.com/bagder/curl/commit/21e82bd6#commitcomment-12226582>
@@ -218,7 +211,19 @@ printf "702\n703\n716\n" >> tests/data/DISABLED
 %endif
 
 # adapt test 323 for updated OpenSSL
-sed -e 's/^35$/35,52/' -i tests/data/test323
+sed -e 's|^35$|35,52|' -i tests/data/test323
+
+# use localhost6 instead of ip6-localhost in the curl test-suite
+(
+    # avoid glob expansion in the trace output of `bash -x`
+    { set +x; } 2>/dev/null
+    cmd="sed -e 's|ip6-localhost|localhost6|' -i tests/data/test[0-9]*"
+    printf "+ %s\n" "$cmd" >&2
+    eval "$cmd"
+)
+
+# regenerate the configure script and Makefile.in files
+autoreconf -fiv
 
 %build
 mkdir build-{full,minimal}