diff --git a/isicle/md.py b/isicle/md.py
index c4ae26e..e7634de 100644
--- a/isicle/md.py
+++ b/isicle/md.py
@@ -34,7 +34,7 @@ def _program_selector(program):
 
     """
 
-    program_map = {"xtb": XTBWrapper, "rdkit": RDKitWrapper, "tinker": TINKERWrapper}
+    program_map = {"xtb": XTBWrapper, "rdkit": RDKitWrapper}
 
     if program.lower() in program_map.keys():
         return program_map[program.lower()]()