diff --git a/conf/initramfs.conf b/conf/initramfs.conf
index aa561bd..bf80786 100644
--- a/conf/initramfs.conf
+++ b/conf/initramfs.conf
@@ -38,10 +38,10 @@ BUSYBOX=auto
 KEYMAP=n
 
 #
-# COMPRESS: [ gzip | bzip2 | lz4 | lzma | lzop | xz | zstd ]
+# COMPRESS: [ gzip | bzip2 | lz4 | lzma | lzop | xz ]
 #
 
-COMPRESS=zstd
+COMPRESS=gzip
 
 #
 # COMPRESSLEVEL: ...
@@ -52,7 +52,6 @@ COMPRESS=zstd
 # Valid values are:
 # 1 -  9 for gzip|bzip2|lzma|lzop
 # 0 -  9 for  lz4|xz
-# 0 - 19 for zstd
 #
 # COMPRESSLEVEL=3
 
diff --git a/mkinitramfs b/mkinitramfs
index df1b940..166bffb 100755
--- a/mkinitramfs
+++ b/mkinitramfs
@@ -188,7 +188,6 @@ lzma)	kconfig_sym=CONFIG_RD_LZMA ;;
 xz)	kconfig_sym=CONFIG_RD_XZ ;;
 lzop)	kconfig_sym=CONFIG_RD_LZO ;;
 lz4)	kconfig_sym=CONFIG_RD_LZ4 ;;
-zstd)	kconfig_sym=CONFIG_RD_ZSTD ;;
 esac
 while ! grep -q "^$kconfig_sym=y" "/boot/config-${version}"; do
 	if [ "${compress}" = gzip ]; then
@@ -205,7 +204,6 @@ if [ -z "${compresslevel:-}" ]; then
 fi
 case "${compress}" in
 lz4)	compresslevel="-${compresslevel:-9}" ;;
-zstd)	compresslevel="-${compresslevel:-9}" ;;
 #gzip|xz|bzip2|lzma|lzop included
 *)
 	# We're not using a compression level by default
@@ -227,10 +225,6 @@ gzip)	# If we're doing a reproducible build, use gzip -n
 	fi
 	;;
 lz4)	compress="lz4 ${compresslevel} -l" ;;
-zstd)	compress="zstd -q ${compresslevel}"
-	# If we're not doing a reproducible build, enable multithreading
-	test -z "${SOURCE_DATE_EPOCH}" && compress="$compress -T0"
-	;;
 xz)	compress="xz ${compresslevel} --check=crc32"
 	# If we're not doing a reproducible build, enable multithreading
 	test -z "${SOURCE_DATE_EPOCH}" && compress="$compress --threads=0"
@@ -426,12 +420,6 @@ find "${DESTDIR}/${MODULESDIR}" -name '*.ko.*' | while read -r ko; do
 		fi
 		xz -d "${ko}"
 		;;
-	*.zst)
-		if ! command -v zstd >/dev/null 2>&1; then
-			break
-		fi
-		zstd -q -d --rm "${ko}"
-		;;
 	esac
 done
 
diff --git a/unmkinitramfs b/unmkinitramfs
index d1226c3..3f8c75d 100755
--- a/unmkinitramfs
+++ b/unmkinitramfs
@@ -31,8 +31,6 @@ xcpio()
 
 	if gzip -t "$archive" >/dev/null 2>&1 ; then
 		gzip -c -d "$archive"
-	elif zstd -q -c -t "$archive" >/dev/null 2>&1 ; then
-		zstd -q -c -d "$archive"
 	elif xzcat -t "$archive" >/dev/null 2>&1 ; then
 		xzcat "$archive"
 	elif lz4cat -t < "$archive" >/dev/null 2>&1 ; then