diff --git a/.github/build.sh b/.github/build.sh
index b3ecfb45..5c4cabae 100644
--- a/.github/build.sh
+++ b/.github/build.sh
@@ -32,7 +32,7 @@ sudo make install
 /usr/local/bin/znc --version
 
 # TODO: use DEVEL_COVER_OPTIONS for https://metacpan.org/pod/Devel::Cover
-env LLVM_PROFILE_FILE="$PWD/inttest.profraw" ZNC_MODPERL_COVERAGE_OPTS="-db,$PWD/cover_db" PYTHONWARNINGS=error make VERBOSE=1 inttest
+env LLVM_PROFILE_FILE="$PWD/inttest.profraw.%p" ZNC_MODPERL_COVERAGE_OPTS="-db,$PWD/cover_db" PYTHONWARNINGS=error make VERBOSE=1 inttest
 ls -lRa
 
 ~/perl5/bin/cover --no-gcov --report=clover
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 827cdb86..780a7fb6 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -102,7 +102,6 @@ add_custom_target(inttest COMMAND
 	# znc-buildmod should use the correct compiler.
 	# https://bugs.gentoo.org/699258 is an example of how it can go wrong.
 	${CMAKE_COMMAND} -E env MAKEFLAGS= CXX=${CMAKE_CXX_COMPILER}
-	"INTTEST_BIN=${CMAKE_CURRENT_BINARY_DIR}/integration/inttest"
 	"${PROJECT_SOURCE_DIR}/third_party/gtest-parallel/gtest-parallel"
-	"${CMAKE_CURRENT_SOURCE_DIR}/integration/wrapper.py")
+	"${CMAKE_CURRENT_BINARY_DIR}/integration/inttest")
 add_dependencies(inttest inttest_bin)
diff --git a/test/integration/wrapper.py b/test/integration/wrapper.py
deleted file mode 100755
index efa707a9..00000000
--- a/test/integration/wrapper.py
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/usr/bin/env python3
-#
-# Copyright (C) 2004-2025 ZNC, see the NOTICE file for details.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-# The purpose of this file is to fix LLVM profiler data in the parallel
-# execution of the test - all of them write to the same file, so it races and
-# produces invalid data
-
-import os
-import sys
-import re
-
-test = ''
-for arg in sys.argv:
-    m = re.match(r'--gtest_filter=(.*)',  arg)
-    if m:
-        test = m[1]
-        break
-
-if test != '' and 'LLVM_PROFILE_FILE' in os.environ:
-    os.environ['LLVM_PROFILE_FILE'] += '.' + test
-
-binary = os.environ['INTTEST_BIN']
-sys.argv[0] = binary
-
-os.execv(binary, sys.argv)