diff --git a/src/determinants/cas_one_e_rdm.irp.f b/src/determinants/cas_one_e_rdm.irp.f
deleted file mode 100644
index 0471bde6..00000000
--- a/src/determinants/cas_one_e_rdm.irp.f
+++ /dev/null
@@ -1,37 +0,0 @@
-
- BEGIN_PROVIDER [double precision, one_e_act_dm_beta_mo_for_dft, (n_act_orb,n_act_orb,N_states)]
- implicit none
- BEGIN_DOC
- ! one_e_act_dm_beta_mo_for_dft = pure ACTIVE part of the ONE ELECTRON REDUCED DENSITY MATRIX for the BETA ELECTRONS 
- END_DOC
- integer :: i,j,ii,jj,istate
- do istate = 1, N_states
-  do ii = 1, n_act_orb
-   i = list_act(ii)
-   do jj = 1, n_act_orb
-    j = list_act(jj)
-    one_e_act_dm_beta_mo_for_dft(jj,ii,istate) = one_e_dm_mo_beta(j,i,istate)
-   enddo
-  enddo
- enddo
-
-END_PROVIDER 
-
- BEGIN_PROVIDER [double precision, one_e_act_dm_alpha_mo_for_dft, (n_act_orb,n_act_orb,N_states)]
- implicit none
- BEGIN_DOC
- ! one_e_act_dm_alpha_mo_for_dft = pure ACTIVE part of the ONE ELECTRON REDUCED DENSITY MATRIX for the ALPHA ELECTRONS 
- END_DOC
- integer :: i,j,ii,jj,istate
- do istate = 1, N_states
-  do ii = 1, n_act_orb
-   i = list_act(ii)
-   do jj = 1, n_act_orb
-    j = list_act(jj)
-    one_e_act_dm_alpha_mo_for_dft(jj,ii,istate) = one_e_dm_mo_alpha(j,i,istate)
-   enddo
-  enddo
- enddo
-
-END_PROVIDER 
-