diff --git a/etc/solver-list.txt b/etc/solver-list.txt
index 8391f45e..1fa07ecc 100644
--- a/etc/solver-list.txt
+++ b/etc/solver-list.txt
@@ -7,7 +7,6 @@ rtfmSolverSpecies/dir
 cfdemSolverPisoMS/dir
 cfdemSolverPiso/dir
 cfdemSolverRhoPimple/dir
-cfdemSolverRhoSimple/dir
 cfdemSolverIB/dir
 cfdemSolverPisoScalar/dir
 cfdemSolverRhoPimpleChem/dir