diff --git a/src/library.cpp b/src/library.cpp
index 87cc5d99d882d58394f95fd5a2863bb5c64a495a..22b54f73a10196436c8a2ee8495f739818190d3c 100644
--- a/src/library.cpp
+++ b/src/library.cpp
@@ -286,9 +286,6 @@ void lammps_commands_string(void *ptr, char *str)
       else if ((copy[i] == '&') && (copy[i+1] == '\0'))
         copy[i] = ' ';
 
-      if ((copy[i] == '\r') || (copy[i] == '\t'))
-        copy[i] = ' ';
-
       if (copy[i] == '\n') {
         copy[i] = '\0';
         lmp->input->one(ptr);