diff --git a/bin/ddg2distribution b/bin/ddg2distribution
index f192eb5..30c6eda 100755
--- a/bin/ddg2distribution
+++ b/bin/ddg2distribution
@@ -339,12 +339,8 @@ if options.position_list is not None:
 
     res_ids_str = filter_reslist(res_ids_str, poslist)
 
-if options.multimers:
-    fnames = ["_".join(r) for r in res_ids_str]
-    res_id_labels = [", ".join(r) for r in res_ids_str]
-else:
-    fnames = res_ids_str
-    res_id_labels = res_ids_str
+fnames = ["_".join(r) for r in res_ids_str]
+res_id_labels = [", ".join(r) for r in res_ids_str]
 
 #Assign custom residue labels
 if options.labels:
diff --git a/bin/ddg2heatmap b/bin/ddg2heatmap
index e6a5ea5..6e82d79 100755
--- a/bin/ddg2heatmap
+++ b/bin/ddg2heatmap
@@ -173,13 +173,8 @@ if options.position_list is not None:
 
     res_ids_str = filter_reslist(res_ids_str, poslist)
 
-if options.multimers:
-    fnames = ["_".join(r) for r in res_ids_str]
-    res_id_labels = [", ".join(r) for r in res_ids_str]
-else:
-    fnames = res_ids_str
-    res_id_labels = res_ids_str
-
+fnames = ["_".join(r) for r in res_ids_str]
+res_id_labels = [", ".join(r) for r in res_ids_str]
 
 #Assign custom residue labels
 if options.labels:
diff --git a/bin/ddg2histo b/bin/ddg2histo
index e4c4382..40c9786 100755
--- a/bin/ddg2histo
+++ b/bin/ddg2histo
@@ -171,10 +171,7 @@ stds = []
 res_ids_str = get_residue_list(options.in_pdb, multimers=options.multimers)
 single_res_ids = get_residue_list(options.in_pdb, multimers=False)
 
-if options.multimers:
-    fnames = ["_".join(r) for r in res_ids_str]
-else:
-    fnames = res_ids_str
+fnames = ["_".join(r) for r in res_ids_str]
 
 #Parse residue selection
 try:
diff --git a/bin/ddg2logo b/bin/ddg2logo
index 84e3e93..06d27c3 100755
--- a/bin/ddg2logo
+++ b/bin/ddg2logo
@@ -210,12 +210,8 @@ if options.position_list is not None:
 
     res_ids_str = filter_reslist(res_ids_str, poslist)
 
-if options.multimers:
-    fnames = ["_".join(r) for r in res_ids_str]
-    res_id_labels = [", ".join(r) for r in res_ids_str]
-else:
-    fnames = res_ids_str
-    res_id_labels = res_ids_str
+fnames = ["_".join(r) for r in res_ids_str]
+res_id_labels = [", ".join(r) for r in res_ids_str]
 
 # use custom labels if provided
 if options.labels: