diff --git a/tests/FileOps/test_option_removal.py b/tests/FileOps/test_option_removal.py
new file mode 100644
index 0000000..a170019
--- /dev/null
+++ b/tests/FileOps/test_option_removal.py
@@ -0,0 +1,131 @@
+"""Test option removal using 'rm' syntax."""
+
+import subprocess
+from pathlib import Path
+import pytest
+
+
+def test_option_removal_with_rm():
+    """Test that options can be removed using 'rm' prefix."""
+    test_dir = Path(__file__).parent / "OptionRemoval_Test"
+    test_dir.mkdir(exist_ok=True)
+
+    # Create template directory with a file containing multiple options
+    template_dir = test_dir / "template"
+    template_dir.mkdir(exist_ok=True)
+
+    template_file = template_dir / "earth.in"
+    template_file.write_text("""sName earth
+dMass -1.0
+dRadius -1.0
+dSemi -1.0
+dEcc 0.0
+dObliquity 23.5
+""")
+
+    # Create vspace input that removes dObliquity using rm syntax
+    vspace_in = test_dir / "vspace.in"
+    vspace_in.write_text(f"""srcfolder {template_dir}
+destfolder OptionRemovalDest
+samplemode grid
+file earth.in
+dSemi [1.0, 2.0, n2] semi
+rm dObliquity
+""")
+
+    # Run vspace with force flag to avoid interactive prompts
+    result = subprocess.run(
+        ["vspace", "-f", "vspace.in"],
+        cwd=test_dir,
+        capture_output=True,
+        text=True,
+        timeout=30
+    )
+
+    assert result.returncode == 0, f"vspace failed: {result.stderr}"
+
+    # Check that trials were created
+    dest_dir = test_dir / "OptionRemovalDest"
+    assert dest_dir.exists()
+
+    # Read one of the generated files
+    trial_dirs = sorted([d for d in dest_dir.iterdir() if d.is_dir()])
+    assert len(trial_dirs) == 2, f"Expected 2 trials, got {len(trial_dirs)}"
+
+    trial_file = trial_dirs[0] / "earth.in"
+    assert trial_file.exists()
+
+    content = trial_file.read_text()
+
+    # Verify dSemi was updated
+    assert "dSemi 1.0" in content or "dSemi 2.0" in content
+
+    # Verify dObliquity was commented out (removed)
+    lines = content.split('\n')
+    obliquity_commented = False
+    for line in lines:
+        if 'dObliquity' in line:
+            assert line.strip().startswith('#'), f"dObliquity should be commented: {line}"
+            obliquity_commented = True
+
+    assert obliquity_commented, "dObliquity should be present but commented out"
+
+    # Verify other options remain unchanged
+    assert "dMass -1.0" in content
+    assert "dRadius -1.0" in content
+
+
+def test_multiple_options_removal():
+    """Test removing multiple options simultaneously."""
+    test_dir = Path(__file__).parent / "MultiOptionRemoval_Test"
+    test_dir.mkdir(exist_ok=True)
+
+    template_dir = test_dir / "template"
+    template_dir.mkdir(exist_ok=True)
+
+    template_file = template_dir / "test.in"
+    template_file.write_text("""sName test
+dOpt1 1.0
+dOpt2 2.0
+dOpt3 3.0
+dOpt4 4.0
+dOpt5 5.0
+""")
+
+    vspace_in = test_dir / "vspace.in"
+    vspace_in.write_text(f"""srcfolder {template_dir}
+destfolder MultiRemovalDest
+samplemode grid
+file test.in
+dOpt1 [10, 20, n2] opt1
+rm dOpt2
+rm dOpt4
+""")
+
+    result = subprocess.run(
+        ["vspace", "-f", "vspace.in"],
+        cwd=test_dir,
+        capture_output=True,
+        text=True,
+        timeout=30
+    )
+
+    assert result.returncode == 0, f"vspace failed: {result.stderr}"
+
+    dest_dir = test_dir / "MultiRemovalDest"
+    trial_dirs = sorted([d for d in dest_dir.iterdir() if d.is_dir()])
+    trial_file = trial_dirs[0] / "test.in"
+    content = trial_file.read_text()
+
+    # dOpt1 should be updated
+    assert "dOpt1 10" in content or "dOpt1 20" in content
+
+    # dOpt2 and dOpt4 should be commented
+    lines = content.split('\n')
+    for line in lines:
+        if 'dOpt2' in line or 'dOpt4' in line:
+            assert line.strip().startswith('#'), f"Option should be commented: {line}"
+
+    # dOpt3 and dOpt5 should be unchanged
+    assert "dOpt3 3.0" in content
+    assert "dOpt5 5.0" in content