diff --git a/server/analysis/gpr/gpr_models.py b/server/analysis/gpr/gpr_models.py
index 389cab4..ec47c7d 100644
--- a/server/analysis/gpr/gpr_models.py
+++ b/server/analysis/gpr/gpr_models.py
@@ -98,10 +98,7 @@ class BasicGP(BaseModel):
         [
             'GPRC/kern/kernels/0/variance',
             'GPRC/kern/kernels/0/lengthscales',
-        ],
-        [
-            'GPRC/kern/kernels/1/variance',
-        ],
+        ]
     ]
 
     def _get_kernel_kwargs(self, **kwargs):
@@ -110,19 +107,14 @@ class BasicGP(BaseModel):
             {
                 'input_dim': X_dim,
                 'ARD': False
-            },
-            {
-                'input_dim': X_dim,
-            },
+            }
         ]
 
     def _build_kernel(self, kernel_kwargs, **kwargs):
-        k0 = gpflow.kernels.Exponential(**kernel_kwargs[0])
-        k1 = gpflow.kernels.White(**kernel_kwargs[1])
+        k = gpflow.kernels.Exponential(**kernel_kwargs[0])
         if kwargs.pop('optimize_hyperparameters'):
-            k0.lengthscales.transform = gpflow.transforms.Logistic(
+            k.lengthscales.transform = gpflow.transforms.Logistic(
                 *self._LENGTHSCALE_BOUNDS)
-        k = k0 + k1
         return k