diff --git a/unit_test/burn_cell/ci-benchmarks/triple_alpha_plus_cago_FE_unit_test.out b/unit_test/burn_cell/ci-benchmarks/triple_alpha_plus_cago_FE_unit_test.out
index d07b621b44..d985a36dc4 100644
--- a/unit_test/burn_cell/ci-benchmarks/triple_alpha_plus_cago_FE_unit_test.out
+++ b/unit_test/burn_cell/ci-benchmarks/triple_alpha_plus_cago_FE_unit_test.out
@@ -33,7 +33,4 @@ omegadot(C12): 0.01497617246
 omegadot(O16): 0.5494210118
 omegadot(Fe56): 0
 number of steps taken: 85669
-Unused ParmParse Variables:
-  [TOP]::unit_test.x4(nvals = 1)  :: [0.0]
-
 AMReX (23.07-7-g88f03408f18a) finalized
diff --git a/unit_test/burn_cell/inputs_triple b/unit_test/burn_cell/inputs_triple
index fef70305ca..7480f09a1c 100644
--- a/unit_test/burn_cell/inputs_triple
+++ b/unit_test/burn_cell/inputs_triple
@@ -23,4 +23,4 @@ unit_test.temperature  = 3.e9
 unit_test.X1 = 1.0
 unit_test.X2 = 0.0
 unit_test.X3 = 0.0
-unit_test.x4 = 0.0
+unit_test.X4 = 0.0
diff --git a/unit_test/eos_cell/ci-benchmarks/eos_gamma_law.out b/unit_test/eos_cell/ci-benchmarks/eos_gamma_law.out
index bf346e3bde..bfc081b6e5 100644
--- a/unit_test/eos_cell/ci-benchmarks/eos_gamma_law.out
+++ b/unit_test/eos_cell/ci-benchmarks/eos_gamma_law.out
@@ -31,7 +31,4 @@ gam1 = 1.666666667
 cs = 186127884.1
 abar = 4
 zbar = 2
-Unused ParmParse Variables:
-  [TOP]::unit_test.x4(nvals = 1)  :: [0.0]
-
 AMReX (23.06-31-g9c256b12b89f) finalized
diff --git a/unit_test/eos_cell/ci-benchmarks/eos_helmholtz.out b/unit_test/eos_cell/ci-benchmarks/eos_helmholtz.out
index 0277ec3084..69f2d64bb0 100644
--- a/unit_test/eos_cell/ci-benchmarks/eos_helmholtz.out
+++ b/unit_test/eos_cell/ci-benchmarks/eos_helmholtz.out
@@ -31,7 +31,4 @@ gam1 = 1.511401882
 cs = 332889390.6
 abar = 4
 zbar = 2
-Unused ParmParse Variables:
-  [TOP]::unit_test.x4(nvals = 1)  :: [0.0]
-
 AMReX (22.10-75-g0a3ee1486cc3) finalized
diff --git a/unit_test/eos_cell/inputs_eos b/unit_test/eos_cell/inputs_eos
index 13f9218081..118d6c74f8 100644
--- a/unit_test/eos_cell/inputs_eos
+++ b/unit_test/eos_cell/inputs_eos
@@ -7,6 +7,6 @@ unit_test.temperature = 1.e9
 unit_test.X1 = 1.0
 unit_test.X2 = 0.0
 unit_test.X3 = 0.0
-unit_test.x4 = 0.0
+unit_test.X4 = 0.0