diff --git a/sumpy/kernel.py b/sumpy/kernel.py
index 75500808ea4d21af6af3d60132623d145bf986c9..1a20ffa85be1cb44c7f87915c5f5d4f0cff6f104 100644
--- a/sumpy/kernel.py
+++ b/sumpy/kernel.py
@@ -526,7 +526,6 @@ class StressletKernel(ExpressionKernel):
             raise RuntimeError("unsupported dimensionality")
 
         self.viscosity_mu_name = viscosity_mu_name
-        self.stresslet_vector_name = stresslet_vector_name
         self.icomp = icomp
         self.jcomp = jcomp
         self.kcomp = kcomp