diff --git a/cfg/encoder_intra_vtm.cfg b/cfg/encoder_intra_vtm.cfg
index 100dc175bb4e047b5dc17fe482627bd0a7f66851..64f4971155e87eceaf3b59de7e232200eb49d20a 100644
--- a/cfg/encoder_intra_vtm.cfg
+++ b/cfg/encoder_intra_vtm.cfg
@@ -106,7 +106,7 @@ EMT                          : 1
 EMTFast                      : 1
 Affine                       : 1
 SubPuMvp                     : 1
-MaxNumMergeCand              : 6
+MaxNumMergeCand              : 5
 LMChroma                     : 1      # use CCLM only
 DepQuant                     : 1
 IMV                          : 2
diff --git a/cfg/encoder_lowdelay_P_vtm.cfg b/cfg/encoder_lowdelay_P_vtm.cfg
index 60efe60710315dfaff44e8258138b007caea22f5..2d823be28c575ed52d3055762e81704b38c09772 100644
--- a/cfg/encoder_lowdelay_P_vtm.cfg
+++ b/cfg/encoder_lowdelay_P_vtm.cfg
@@ -122,7 +122,7 @@ EMT                          : 1
 EMTFast                      : 1
 Affine                       : 1
 SubPuMvp                     : 1
-MaxNumMergeCand              : 6
+MaxNumMergeCand              : 5
 LMChroma                     : 1      # use CCLM only
 DepQuant                     : 1
 IMV                          : 2
diff --git a/cfg/encoder_lowdelay_vtm.cfg b/cfg/encoder_lowdelay_vtm.cfg
index 9612eadad71913639c75933f65ac32de921944c0..2a4bb97a5f9911c7e567b4140587484ae57ab4c3 100644
--- a/cfg/encoder_lowdelay_vtm.cfg
+++ b/cfg/encoder_lowdelay_vtm.cfg
@@ -122,7 +122,7 @@ EMT                          : 1
 EMTFast                      : 1
 Affine                       : 1
 SubPuMvp                     : 1
-MaxNumMergeCand              : 6
+MaxNumMergeCand              : 5
 LMChroma                     : 1      # use CCLM only
 DepQuant                     : 1
 IMV                          : 2
diff --git a/cfg/encoder_randomaccess_vtm.cfg b/cfg/encoder_randomaccess_vtm.cfg
index 8dbf07b8984526d172ddaefd3a15e820ce0e30fc..ca25bfea2dde58cddfa1d6faac1427dada8d36d0 100644
--- a/cfg/encoder_randomaccess_vtm.cfg
+++ b/cfg/encoder_randomaccess_vtm.cfg
@@ -136,7 +136,7 @@ EMT                          : 1
 EMTFast                      : 1
 Affine                       : 1
 SubPuMvp                     : 1
-MaxNumMergeCand              : 6
+MaxNumMergeCand              : 5
 LMChroma                     : 1      # use CCLM only
 DepQuant                     : 1
 IMV                          : 2