diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d3d5490fefc600b84ee14e0e64608e2b52bb18ae..c8d09b70b8315b513b0492c172f33108e698557d 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -283,7 +283,6 @@ install(FILES Operators/Vector/cuda/vector_dist_operators_cuda.cuh
 
 install(FILES DCPSE/Dcpse.hpp
 		DCPSE/Dcpse.cuh
-		DCPSE/DCPSE_op/DCPSE_Solver.cuh
 		DCPSE/DcpseDiagonalScalingMatrix.hpp
 		DCPSE/DcpseRhs.hpp
 		DCPSE/Monomial.hpp