diff --git a/tools/build/depend-cleanup.sh b/tools/build/depend-cleanup.sh
--- a/tools/build/depend-cleanup.sh
+++ b/tools/build/depend-cleanup.sh
@@ -317,6 +317,10 @@
 #          "$OBJTOP"/tests/sys/kqueue/libkqueue/*
 #fi
 
+# 20260427 # bc / dc test scripts no longer generated
+dir="${OBJTOP%/}"/usr.bin/gh-bc/tests
+run rm -fv "${dir}"/bc_tests.sh "${dir}"/dc_tests.sh
+
 # 20260426 # libpkgconf contains incorrect paths
 clean_obj lib/libpkgconf personality c pkgconfig:/share
 clean_obj lib/libpkgconf pkg c pkgconfig:/share
diff --git a/usr.bin/gh-bc/tests/Makefile b/usr.bin/gh-bc/tests/Makefile
--- a/usr.bin/gh-bc/tests/Makefile
+++ b/usr.bin/gh-bc/tests/Makefile
@@ -55,14 +55,4 @@
 
 PLAIN_TESTS_SH=		bc_tests dc_tests
 
-bc_tests.sh:
-	echo "#!/bin/sh" > ${.TARGET}
-	echo 'env LANG=C BC_TEST_OUTPUT_DIR=$$(pwd) \
-		${TESTSDIR}/tests/all.sh -n bc 1 1 0 0 bc' >> ${.TARGET}
-
-dc_tests.sh:
-	echo "#!/bin/sh" > ${.TARGET}
-	echo "env LANG=C BC_TEST_OUTPUT_DIR=\$pwd \
-		${TESTSDIR}/tests/all.sh -n dc 1 1 0 0 dc" >> ${.TARGET}
-
 .include <bsd.test.mk>
diff --git a/usr.bin/gh-bc/tests/bc_tests.sh b/usr.bin/gh-bc/tests/bc_tests.sh
new file mode 100755
--- /dev/null
+++ b/usr.bin/gh-bc/tests/bc_tests.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+unset LC_ALL LC_CTYPE LC_MESSAGES LC_MONETARY LC_NUMERIC LC_TIME
+export LANG=C
+export BC_TEST_OUTPUT_DIR=${PWD}
+exec "$(dirname "$(realpath "$0")")"/tests/all.sh -n bc 1 1 0 0 bc
diff --git a/usr.bin/gh-bc/tests/dc_tests.sh b/usr.bin/gh-bc/tests/dc_tests.sh
new file mode 100755
--- /dev/null
+++ b/usr.bin/gh-bc/tests/dc_tests.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+unset LC_ALL LC_CTYPE LC_MESSAGES LC_MONETARY LC_NUMERIC LC_TIME
+export LANG=C
+export BC_TEST_OUTPUT_DIR=${PWD}
+exec "$(dirname "$(realpath "$0")")"/tests/all.sh -n dc 1 1 0 0 dc