diff --git a/applications/disturb2/libraries/disturb/tb/vhdl/tb_disturb_info.vhd b/applications/disturb2/libraries/disturb/tb/vhdl/tb_disturb_info.vhd
index d73b62312ae3d9e2bfd8ff35ad65fa77c925d475..eb3706b84b91e7187117f873714a51f846b0de89 100644
--- a/applications/disturb2/libraries/disturb/tb/vhdl/tb_disturb_info.vhd
+++ b/applications/disturb2/libraries/disturb/tb/vhdl/tb_disturb_info.vhd
@@ -72,7 +72,6 @@ ARCHITECTURE tb OF tb_disturb_info IS
   SIGNAL reg_miso            : t_mem_miso;
 
   -- signals used to change settings of disturb_info 
-  SIGNAL gn_index  : NATURAL   := 15; 
   SIGNAL f_adc     : STD_LOGIC := '0'; 
   SIGNAL fsub_type : STD_LOGIC := '0';
 
@@ -225,7 +224,6 @@ BEGIN
       reg_mosi  => reg_mosi,
       reg_miso  => reg_miso,
 
-      gn_index  => gn_index,
       f_adc     => f_adc,
       fsub_type => fsub_type,
 
diff --git a/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_info.vhd b/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_info.vhd
index 552b5ee8f28d839ba42a1d43be788724fcc18cb0..d775dbcc8e7f00878b786be46003d6e5674fc46a 100644
--- a/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_info.vhd
+++ b/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_info.vhd
@@ -72,7 +72,6 @@ ARCHITECTURE tb OF tb_sdp_info IS
   SIGNAL reg_miso            : t_mem_miso;
 
   -- signals used to change settings of sdp_info 
-  SIGNAL gn_index  : NATURAL   := 15; 
   SIGNAL f_adc     : STD_LOGIC := '0'; 
   SIGNAL fsub_type : STD_LOGIC := '0';
 
@@ -225,7 +224,6 @@ BEGIN
       reg_mosi  => reg_mosi,
       reg_miso  => reg_miso,
 
-      gn_index  => gn_index,
       f_adc     => f_adc,
       fsub_type => fsub_type,