diff --git a/remove_intraband-endc-combos.py b/remove_intraband-endc-combos.py
new file mode 100644
index 0000000..3916be7
--- /dev/null
+++ b/remove_intraband-endc-combos.py
@@ -0,0 +1,68 @@
+import sys
+import re
+
+def process_file(input_path, output_path):
+    try:
+        with open(input_path, 'r') as file:
+            lines = file.readlines()
+
+        output_lines = []
+        current_block = []
+        in_combogroups = False
+        brace_count = 0
+        removed_count = 0
+
+        for line in lines:
+            if line.strip() == 'comboGroups {':
+                in_combogroups = True
+                current_block = [line]
+                brace_count = 1
+                continue
+
+            if in_combogroups:
+                current_block.append(line)
+                brace_count += line.count('{')
+                brace_count -= line.count('}')
+                
+                if brace_count == 0:
+                    block_text = ''.join(current_block)
+                    bands = [int(band) for band in re.findall(r'band:\s*(\d+)', block_text)]
+                    
+                    # Check for all forbidden band combinations
+                    should_remove = (
+                        (3 in bands and 10003 in bands) or
+                        (1 in bands and 10001 in bands) or
+                        (7 in bands and 10007 in bands)
+                    )
+                    
+                    if not should_remove:
+                        output_lines.extend(current_block)
+                    else:
+                        removed_count += 1
+                        
+                    in_combogroups = False
+                    current_block = []
+            else:
+                output_lines.append(line)
+
+        with open(output_path, 'w') as file:
+            file.writelines(output_lines)
+            
+        print(f"Removed {removed_count} combo groups.")
+        
+    except Exception as e:
+        print(f"Error: {str(e)}")
+
+def main():
+    if len(sys.argv) != 3:
+        print("Usage: python script.py <input_file_path> <output_file_path>")
+        sys.exit(1)
+    
+    if sys.argv[1] == sys.argv[2]:
+        print("Error: Input and output paths must be different")
+        sys.exit(1)
+        
+    process_file(sys.argv[1], sys.argv[2])
+
+if __name__ == "__main__":
+    main()
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