diff --git a/f4pga/wrappers/sh/__init__.py b/f4pga/wrappers/sh/__init__.py
index 6af9e70..90545c9 100644
--- a/f4pga/wrappers/sh/__init__.py
+++ b/f4pga/wrappers/sh/__init__.py
@@ -161,7 +161,50 @@ def repack():
 
 def generate_bitstream():
     print("[F4PGA] Running (deprecated) generate_bitstream")
-    run_sh_script(ROOT / "quicklogic/generate_bitstream.f4pga.sh")
+    run_bash_cmds(f"""
+set -e
+eval set -- "$(
+  getopt \
+    --options=d:f:r:b:P: \
+    --longoptions=device:,fasm:,format:,bit:,part: \
+    --name $0 -- {' '.join(sys_argv[1:])}
+)"
+DEVICE=""
+FASM=""
+BIT_FORMAT="4byte"
+BIT=""
+PART=""
+while true; do
+  case "$1" in
+    -d|--device) DEVICE=$2;     shift 2;;
+    -f|--fasm)   FASM=$2;       shift 2;;
+    -r|--format) BIT_FORMAT=$2; shift 2;;
+    -b|--bit)    BIT=$2;        shift 2;;
+    -P|--part)   PART=$2;       shift 2;;
+    --) break;;
+  esac
+done
+if [ -z $DEVICE ]; then echo "Please provide device name"; exit 1; fi
+if [ -z $FASM ]; then echo "Please provide an input FASM file name"; exit 1; fi
+if [ -z $BIT ]; then echo "Please provide an output bistream file name"; exit 1; fi
+if [[ "$DEVICE" =~ ^(qlf_k4n8.*)$ ]]; then
+  `which qlf_fasm` \
+    --db-root "${{SHARE_DIR_PATH:="$F4PGA_SHARE_DIR"}}/fasm_database/${{DEVICE}}" \
+    --format "$BIT_FORMAT" \
+    --assemble \
+    "$FASM" \
+    "$BIT"
+elif [[ "$DEVICE" =~ ^(ql-eos-s3|ql-pp3e)$ ]]; then
+  qlfasm \
+    --dev-type \
+    "$DEVICE" \
+    "$FASM" \
+    "$BIT"
+else
+  echo "ERROR: Unsupported device '${{DEVICE}}' for bitstream generation"
+  exit -1
+fi
+""")
 
 
 def generate_libfile():
diff --git a/f4pga/wrappers/sh/quicklogic/generate_bitstream.f4pga.sh b/f4pga/wrappers/sh/quicklogic/generate_bitstream.f4pga.sh
deleted file mode 100755
index da41954..0000000
--- a/f4pga/wrappers/sh/quicklogic/generate_bitstream.f4pga.sh
+++ /dev/null
@@ -1,81 +0,0 @@
-#!/usr/bin/env bash
-#
-# Copyright (C) 2020-2022 F4PGA Authors.
-#
-# 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
-#
-#     https://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.
-#
-# SPDX-License-Identifier: Apache-2.0
-
-set -e
-
-OPTS=d:f:r:b:P:
-LONGOPTS=device:,fasm:,format:,bit:,part:
-
-PARSED_OPTS=`getopt --options=${OPTS} --longoptions=${LONGOPTS} --name $0 -- "$@"`
-eval set -- "${PARSED_OPTS}"
-
-DEVICE=""
-FASM=""
-BIT=""
-BIT_FORMAT="4byte"
-PART=""
-
-while true; do
-  case "$1" in
-    -d|--device) DEVICE=$2;     shift 2;;
-    -f|--fasm)   FASM=$2;       shift 2;;
-    -r|--format) BIT_FORMAT=$2; shift 2;;
-    -b|--bit)    BIT=$2;        shift 2;;
-    -P|--part)   PART=$2;       shift 2;;
-    --) break;;
-  esac
-done
-
-if [ -z $DEVICE ]; then
-  echo "Please provide device name"
-  exit 1
-fi
-
-if [ -z $FASM ]; then
-  echo "Please provide an input FASM file name"
-  exit 1
-fi
-
-if [ -z $BIT ]; then
-  echo "Please provide an output bistream file name"
-  exit 1
-fi
-
-if [[ "$DEVICE" =~ ^(qlf_k4n8.*)$ ]]; then
-
-  `which qlf_fasm` \
-    --db-root "${SHARE_DIR_PATH:="$F4PGA_SHARE_DIR"}/fasm_database/${DEVICE}" \
-    --format "$BIT_FORMAT" \
-    --assemble \
-    "$FASM" \
-    "$BIT"
-
-elif [[ "$DEVICE" =~ ^(ql-eos-s3|ql-pp3e)$ ]]; then
-
-  qlfasm \
-    --dev-type \
-    "$DEVICE" \
-    "$FASM" \
-    "$BIT"
-
-else
-
-  echo "ERROR: Unsupported device '${DEVICE}' for bitstream generation"
-  exit -1
-
-fi