diff --git a/src/var.c b/src/var.c
index 79c8307248..87f33af282 100644
--- a/src/var.c
+++ b/src/var.c
@@ -446,11 +446,8 @@ ParameterError setvariable(const char *input)
     /* read from file or stdin */
     FILE *file;
     bool use_stdin;
-    struct dynbuf fname;
     line++;
 
-    curlx_dyn_init(&fname, MAX_FILENAME);
-
     use_stdin = !strcmp(line, "-");
     if(use_stdin)
       file = stdin;
@@ -469,7 +466,6 @@ ParameterError setvariable(const char *input)
       if(clen)
         contalloc = TRUE;
     }
-    curlx_dyn_free(&fname);
     if(!use_stdin && file)
       curlx_fclose(file);
     if(err)