diff --git a/gwinc/ifo/CE2/ifo.yaml b/gwinc/ifo/CE2/ifo.yaml
index 540f659b0c4f8dc19aee26b5f56d778ab0f12c69..97f5f0d70a4c2ab7b8ce3c230acd42fcff23f373 100644
--- a/gwinc/ifo/CE2/ifo.yaml
+++ b/gwinc/ifo/CE2/ifo.yaml
@@ -248,7 +248,6 @@ Optics:
   # zz = loadmat('CryogenicLIGO/Sensitivity/GWINC/optRuns/' + qopt_mat)
   ITM:
     SubstrateAbsorption: 1e-3     # 1/m; 10 ppm/cm for MCZ Si
-    BeamRadius: 0.141             # m; 1/e^2 power radius w1
     CoatingAbsorption: 0.5e-6     # absorption of ITM
     Transmittance: 0.014          # zz['x'][0][3]
     #CoatingThicknessLown: 0.308
@@ -269,7 +268,6 @@ Optics:
       - 0.3867382
       - 0.08814237
   ETM:
-    BeamRadius: 0.141                  # m; 1/e^2 power radius w2
     Transmittance: 5e-6                # Transmittance of ETM
     #CoatingThicknessLown: 0.27
     #CoatingThicknessCap: 0.5
diff --git a/gwinc/ifo/Voyager/ifo.yaml b/gwinc/ifo/Voyager/ifo.yaml
index 769eabb2da961147283bc40387f08e5515e1f7c5..81125d1594b1c0169a9fbe77f45ad56a8cc18d9a 100644
--- a/gwinc/ifo/Voyager/ifo.yaml
+++ b/gwinc/ifo/Voyager/ifo.yaml
@@ -273,7 +273,6 @@ Optics:
   # zz = loadmat('CryogenicLIGO/Sensitivity/GWINC/optRuns/' + qopt_mat)
   ITM:
     SubstrateAbsorption: 1e-3   # 1/m; 10 ppm/cm for MCZ Si
-    BeamRadius: 0.0585          # m; 1/e^2 power radius w1
     CoatingAbsorption: 1e-6     # absorption of ITM
     Transmittance: 2e-3         # zz['x'][0][3]
     #CoatingThicknessLown: 0.308
@@ -294,7 +293,6 @@ Optics:
       - 0.386738199718736
       - 0.088142365969070
   ETM:
-    BeamRadius: 0.0835                 # m; 1/e^2 power radius w2
     Transmittance: 5e-6                # Transmittance of ETM
     #CoatingThicknessLown: 0.27
     #CoatingThicknessCap: 0.5
diff --git a/gwinc/ifo/aLIGO/ifo.yaml b/gwinc/ifo/aLIGO/ifo.yaml
index 3b45b7fdabe0be95f31de4d5aeda8713e5055207..9ffde7798870a2c68454dae4972bcd34d39deaa0 100644
--- a/gwinc/ifo/aLIGO/ifo.yaml
+++ b/gwinc/ifo/aLIGO/ifo.yaml
@@ -251,13 +251,11 @@ Optics:
     dc: 1.5707963                 # pi/2 # demod/detection/homodyne phase
 
   ITM:
-    # BeamRadius: 0.055             # m, 1/e^2 power radius, now in precompIFO
     Transmittance: 0.014
     CoatingThicknessLown: 0.308
     CoatingThicknessCap: 0.5
     CoatingAbsorption: 0.5e-6
   ETM:
-    # BeamRadius: 0.062             # m, 1/e^2 power radius, now in precompIFO
     Transmittance: 5e-6
     CoatingThicknessLown: 0.27
     CoatingThicknessCap: 0.5