diff --git a/ChangeLog b/ChangeLog
index 3d6c516..78270ca 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2023-06-13  Omar Polo  <op@omarpolo.com>
+
+	* regress/sha: remove regress/sha; sha256/sha256sum is no more required for the regress suite.
+
 2022-09-10  Omar Polo  <op@omarpolo.com>
 
 	* parse.y (string): retire the deprecated `mime' and `map' config options
diff --git a/regress/Makefile b/regress/Makefile
index a40d9c2..2e09681 100644
--- a/regress/Makefile
+++ b/regress/Makefile
@@ -16,7 +16,6 @@ DISTFILES =	Makefile \
 		puny-test.c \
 		regress \
 		serve-bigfile \
-		sha \
 		slow \
 		tests.sh \
 		valid.ext
@@ -96,9 +95,7 @@ clean:
 testdata: fill-file
 	mkdir testdata
 	./fill-file testdata/bigfile
-	./sha testdata/bigfile testdata/bigfile.sha
 	printf "# hello world\n" > testdata/index.gmi
-	./sha testdata/index.gmi testdata/index.gmi.sha
 	cp hello slow err invalid serve-bigfile env testdata/
 	cp max-length-reply testdata
 	mkdir testdata/dir
@@ -111,4 +108,4 @@ dist: ${DISTFILES}
 	mkdir -p ${DESTDIR}/
 	${INSTALL} -m 0644 ${DISTFILES} ${DESTDIR}/
 	cd ${DESTDIR}/ && chmod +x env err hello invalid \
-		max-length-reply regress sha slow
+		max-length-reply regress slow
diff --git a/regress/sha b/regress/sha
deleted file mode 100755
index 6fc6273..0000000
--- a/regress/sha
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/sh
-
-# USAGE: ./sha in out
-# writes the sha256 of in to file out
-
-if command -v sha256 >/dev/null; then
-	exec sha256 < "$1" > "$2"
-fi
-
-if command -v sha256sum >/dev/null; then
-	sha256sum "$1" | awk '{print $1}' > "$2"
-	exit $?
-fi
-
-echo "No sha binary found"
-exit 1
diff --git a/regress/tests.sh b/regress/tests.sh
index eb9b54f..5ebc33b 100644
--- a/regress/tests.sh
+++ b/regress/tests.sh
@@ -48,10 +48,20 @@ test_serve_big_files() {
 
 	hdr="$(head /bigfile)"
 	get /bigfile > bigfile
-	./sha bigfile bigfile.sha
-	body="$(cat bigfile.sha)"
 
-	check_reply "20 application/octet-stream" "$(cat testdata/bigfile.sha)"
+	want="20 application/octet-stream"
+	if [ "$hdr" != "$want" ]; then
+		echo "Header mismatch" >&2
+		echo "wants : $want"   >&2
+		echo "got   : $hdr"    >&2
+		return 1
+	fi
+
+	if ! cmp -s bigfile testdata/bigfile; then
+		echo "received bigfile is not as expected"
+		cmp bigfile testdata/bigfile
+		return 1
+	fi
 }
 
 test_dont_execute_scripts() {