diff --git a/flare/kernels/kernels.py b/flare/kernels/kernels.py
index e6efb8c19..e80e80db5 100644
--- a/flare/kernels/kernels.py
+++ b/flare/kernels/kernels.py
@@ -41,16 +41,6 @@ def force_helper(A, B, C, D, fi, fj, fdi, fdj, ls1, ls2, ls3, sig2):
     K = - C * ls2 * fdi * fj
     L = (A * ls2 - B * C * ls3) * fi * fj
     M = sig2 * (I + J + K + L) * E
-
-#    E = exp(-D * ls1)
-#    F = E * B * ls2
-#    G = -E * C * ls2
-#    H = A * E * ls2 - B * C * E * ls3
-#    I = E * fdi * fdj
-#    J = F * fi * fdj
-#    K = G * fdi * fj
-#    L = H * fi * fj
-#    M = sig2 * (I + J + K + L)
     return M