diff --git a/.arclint b/.arclint
index 3cd74e3cc..b76d8b746 100644
--- a/.arclint
+++ b/.arclint
@@ -1,234 +1,235 @@
 {
     "linters": {
         "generated": {
             "type": "generated"
         },
         "clang-format": {
             "type": "clang-format",
             "version": ">=8.0",
             "bin": ["clang-format-8", "clang-format"],
             "include": "(^src/.*\\.(h|c|cpp|mm)$)",
             "exclude": [
                 "(^src/(secp256k1|univalue|leveldb)/)"
             ]
         },
         "autopep8": {
             "type": "autopep8",
             "version": ">=1.3.4",
             "include": "(\\.py$)",
             "exclude": [
                 "(^contrib/gitian-builder/)"
             ],
             "flags": [
                 "--aggressive",
                 "--ignore=W503,W504"
             ]
         },
         "flake8": {
             "type": "flake8",
             "version": ">=3.0",
             "include": "(\\.py$)",
             "exclude": [
                 "(^contrib/gitian-builder/)"
             ],
             "flags": [
                 "--ignore=E501,E704,W503,W504"
             ]
         },
         "lint-format-strings": {
             "type": "lint-format-strings",
             "include": "(^src/.*\\.(h|c|cpp)$)",
             "exclude": [
                 "(^src/(secp256k1|univalue|leveldb)/)"
             ]
         },
         "check-doc": {
             "type": "check-doc",
             "include": "(^src/.*\\.(h|c|cpp)$)"
         },
         "lint-tests": {
             "type": "lint-tests",
             "include": "(^src/(seeder/|rpc/|wallet/)?test/.*\\.(cpp)$)"
         },
         "lint-python-format": {
             "type": "lint-python-format",
             "include": "(\\.py$)",
             "exclude": [
                 "(^test/lint/lint-python-format\\.py$)",
                 "(^contrib/gitian-builder/)"
             ]
         },
         "phpcs": {
             "type": "phpcs",
             "include": "(\\.php$)",
             "exclude": [
                 "(^arcanist/__phutil_library_.+\\.php$)"
             ],
             "phpcs.standard": "arcanist/phpcs.xml"
         },
         "lint-locale-dependence": {
             "type": "lint-locale-dependence",
             "include": "(^src/.*\\.(h|cpp)$)",
             "exclude": [
                 "(^src/(crypto/ctaes/|leveldb/|secp256k1/|tinyformat.h|univalue/))"
             ]
         },
         "lint-cheader": {
             "type": "lint-cheader",
             "include": "(^src/.*\\.(h|cpp)$)",
             "exclude": [
                 "(^src/(crypto/ctaes|secp256k1|univalue|leveldb)/)"
             ]
         },
         "spelling": {
             "type": "spelling",
             "exclude": [
                 "(^build-aux/m4/)",
                 "(^depends/)",
                 "(^doc/release-notes/)",
                 "(^contrib/gitian-builder/)",
                 "(^src/(qt/locale|secp256k1|univalue|leveldb)/)",
                 "(^test/lint/dictionary/)"
             ],
             "spelling.dictionaries": [
                 "test/lint/dictionary/english.json"
             ]
         },
         "lint-assert-with-side-effects": {
             "type": "lint-assert-with-side-effects",
             "include": "(^src/.*\\.(h|cpp)$)",
             "exclude": [
                 "(^src/(secp256k1|univalue|leveldb)/)"
             ]
         },
         "lint-include-quotes": {
             "type": "lint-include-quotes",
             "include": "(^src/.*\\.(h|cpp)$)",
             "exclude": [
                 "(^src/(secp256k1|univalue|leveldb)/)"
             ]
         },
         "lint-include-guard": {
             "type": "lint-include-guard",
             "include": "(^src/.*\\.h$)",
             "exclude": [
                 "(^src/(crypto/ctaes|secp256k1|univalue|leveldb)/)",
                 "(^src/tinyformat.h$)"
             ]
         },
         "lint-include-source": {
             "type": "lint-include-source",
             "include": "(^src/.*\\.(h|c|cpp)$)",
             "exclude": [
                 "(^src/(secp256k1|univalue|leveldb)/)"
             ]
         },
         "lint-stdint": {
             "type": "lint-stdint",
             "include": "(^src/.*\\.(h|c|cpp)$)",
             "exclude": [
                 "(^src/(secp256k1|univalue|leveldb)/)",
                 "(^src/compat/assumptions.h$)"
             ]
         },
         "lint-source-filename": {
             "type": "lint-source-filename",
             "include": "(^src/.*\\.(h|c|cpp)$)",
             "exclude": [
                 "(^src/(secp256k1|univalue|leveldb)/)"
             ]
         },
         "lint-boost-dependencies": {
             "type": "lint-boost-dependencies",
             "include": "(^src/.*\\.(h|cpp)$)"
         },
         "check-rpc-mappings": {
             "type": "check-rpc-mappings",
             "include": "(^src/(rpc/|wallet/rpc).*\\.cpp$)"
         },
         "lint-python-encoding": {
             "type": "lint-python-encoding",
             "include": "(\\.py$)",
             "exclude": [
                 "(^contrib/gitian-builder/)"
             ]
         },
         "lint-python-shebang": {
             "type": "lint-python-shebang",
             "include": "(\\.py$)",
             "exclude": [
                 "(__init__\\.py$)",
                 "(^contrib/gitian-builder/)"
             ]
         },
         "lint-bash-shebang": {
             "type": "lint-bash-shebang",
             "include": "(\\.sh$)",
             "exclude": [
                 "(^contrib/gitian-builder/)"
             ]
         },
         "shellcheck": {
             "type": "shellcheck",
             "version": ">=0.7.0",
             "flags": [
                 "--external-sources",
                 "--source-path=SCRIPTDIR"
             ],
             "include": "(\\.sh$)",
             "exclude": [
                 "(^contrib/gitian-builder/)",
                 "(^src/(secp256k1|univalue)/)"
             ]
         },
         "lint-shell-locale": {
             "type": "lint-shell-locale",
             "include": "(\\.sh$)",
             "exclude": [
                 "(^contrib/gitian-builder/)",
-                "(^src/(secp256k1|univalue)/)"
+                "(^src/(secp256k1|univalue)/)",
+                "(^cmake/utils/test_wrapper.sh)"
             ]
         },
         "lint-cpp-void-parameters": {
             "type": "lint-cpp-void-parameters",
             "include": "(^src/.*\\.(h|cpp)$)",
             "exclude": [
                 "(^src/(crypto/ctaes|secp256k1|univalue|leveldb)/)",
                 "(^src/compat/glibc_compat.cpp$)"
             ]
         },
         "lint-logs": {
             "type": "lint-logs",
             "include": "(^src/.*\\.(h|cpp)$)"
         },
         "lint-qt": {
             "type": "lint-qt",
             "include": "(^src/qt/.*\\.(h|cpp)$)",
             "exclude": [
                 "(^src/qt/(locale|forms|res)/)"
             ]
         },
         "lint-doxygen": {
             "type": "lint-doxygen",
             "include": "(^src/.*\\.(h|c|cpp)$)",
             "exclude": [
                 "(^src/(crypto/ctaes|secp256k1|univalue|leveldb)/)"
             ]
         },
         "lint-whitespace": {
             "type": "lint-whitespace",
             "include": "(\\.(ac|am|cmake|conf|in|include|json|m4|md|openrc|php|pl|sh|txt|yml)$)",
             "exclude": [
                 "(^contrib/gitian-builder/)",
                 "(^src/(secp256k1|univalue|leveldb)/)"
             ]
         },
         "lint-cppcheck": {
             "type": "lint-cppcheck",
             "include": "(^src/.*\\.(h|c|cpp)$)",
             "exclude": [
                 "(^src/(crypto/ctaes|secp256k1|univalue|leveldb)/)"
             ]
         }
     }
 }
diff --git a/cmake/utils/test_wrapper.sh b/cmake/utils/test_wrapper.sh
index 620bb55f5..b89c8aa03 100755
--- a/cmake/utils/test_wrapper.sh
+++ b/cmake/utils/test_wrapper.sh
@@ -1,13 +1,11 @@
 #!/bin/sh
 
-export LC_ALL=C.UTF-8
-
 # USAGE test_wrapper.sh executable log [args]
 # Run the <executable> with supplied <args> arguments.
 # The stdout and stderr outputs are redirected to the <log> file, which is only
 # printed on error.
 
 LOG="$1"
 shift 1
 
 "$@" > "${LOG}" 2>&1 || (cat "${LOG}" && exit 1)