diff --git a/src/seqtk/src/_helpers/bed.sh b/src/seqtk/src/_helpers/bed.sh
deleted file mode 100644
index 56fa9f0f..00000000
--- a/src/seqtk/src/_helpers/bed.sh
+++ /dev/null
@@ -1,80 +0,0 @@
-#!/bin/bash
-
-# Function to check if a file is a valid BED file
-check_bed_file() {
-    local file="$1"
-    num_columns=$(head -n 1 "$file" | cut -f 1- | tr '\t' '\n' | wc -l)
-
-    # Check if the file exists
-    if [[ ! -f "$file" ]]; then
-        echo "Error: The specified file does not exist."
-        return 1
-    fi
-
-    # Check if the file is non-empty
-    if [[ ! -s "$file" ]]; then
-        echo "Error: The specified file is empty."
-        return 1
-    fi
-
-    # Check if the file is a valid BED file (minimum 3 tab-separated columns)
-    if [[ $num_columns -lt 3 ]]; then
-        echo "The specified file is not a valid BED file. It should have at least three tab-separated columns."
-        return 1
-    fi
-
-    # Additional check: Ensure that the 6th column (if present) is either + or -
-    if [[ $num_columns -eq 6 ]]; then
-        while IFS=$'\t' read -r -a columns; do
-            columns[5]=${columns[5]%$'\n'}
-            if [[ ${columns[5]} == "+" || ${columns[5]} == "-" ]]; then
-                return 0
-            else 
-                echo "Error: The 6th column of the specified BED file should be either + or -."
-                #echo "Offending line: ${columns[5]}"
-                return 1
-            fi
-        done < "$file"
-    fi
-
-    return 0
-}
-
-# Function to check if a file is a valid list of FASTA file IDs
-check_fasta_id_list() {
-    local file="$1"
-
-    # Check if the file exists
-    if [[ ! -f "$file" ]]; then
-        echo "Error: The specified file does not exist."
-        return 1
-    fi
-
-    # Check if the file is non-empty
-    if [[ ! -s "$file" ]]; then
-        echo "Error: The specified file is empty."
-        return 1
-    fi
-
-    # Additional check: Ensure that each line contains only one word (FASTA ID)
-    if ! awk 'NF != 1 { exit 1 }' "$file"; then
-        return 1
-    fi
-
-    return 0
-}
-
-# Arguments:
-list_file="$1"
-
-# Check if the par_name_list is given and validate accordingly
-if [[ -n "$list_file" ]]; then
-    if check_fasta_id_list "$list_file"; then
-        echo "The specified file is a valid list of FASTA IDs."
-    elif check_bed_file "$list_file"; then
-        echo "The specified file is a valid BED file."
-    else
-        echo "Error: The specified file is neither a valid BED file nor a valid list of FASTA IDs."
-        exit 1
-    fi
-fi
\ No newline at end of file