diff --git a/c_emulator/riscv_sim.c b/c_emulator/riscv_sim.c
index dc354f80b..f4652702b 100644
--- a/c_emulator/riscv_sim.c
+++ b/c_emulator/riscv_sim.c
@@ -273,7 +273,6 @@ char *process_args(int argc, char **argv)
         fprintf(stderr, "unable to build fast-yaml document from %s\n", optarg);
         exit(1);
       }
-      rv_cfg_dump_yaml_c(optarg);
       break;
       
     case 'u': 
@@ -281,7 +280,6 @@ char *process_args(int argc, char **argv)
         fprintf(stderr, "unable to build fast-yaml document from %s\n", optarg);
         exit(1);
       }
-      rv_cfg_dump_yaml_c(optarg);
       break;
     case 'a':
       report_arch();
diff --git a/c_emulator/rv_cfg_func.c b/c_emulator/rv_cfg_func.c
index ac0461a3e..dfadd6731 100644
--- a/c_emulator/rv_cfg_func.c
+++ b/c_emulator/rv_cfg_func.c
@@ -180,12 +180,12 @@ rv_cfg_string_c(char * key_str)
             continue;
             }
 
-        printf("%s, %d: checking yaml file, %s\n", __FILE__, __LINE__, rv_cfg_enum2doc_a[i].filename);
+        //printf("%s, %d: checking yaml file, %s\n", __FILE__, __LINE__, rv_cfg_enum2doc_a[i].filename);
         conversion_str = " %1023s";
         tmp_str = malloc(strlen(key_str) + strlen(conversion_str) + 1);
         strcpy(tmp_str, key_str);
         strcat(tmp_str, conversion_str);
-        printf("%s, %d: scanf string: '%s'\n", __FILE__, __LINE__, tmp_str);
+        //printf("%s, %d: scanf string: '%s'\n", __FILE__, __LINE__, tmp_str);
 
         count = fy_document_scanf(fyd, tmp_str, yaml_val_string);
         if (count == 1)
@@ -195,7 +195,7 @@ rv_cfg_string_c(char * key_str)
             ret_str_ptr = malloc(strlen(yaml_val_string)); // TODO: where should this be freed?
             strcpy(ret_str_ptr, yaml_val_string);
             //fy_emit_document_to_fp(fyd, FYECF_DEFAULT | FYECF_SORT_KEYS, stdout);
-            return(yaml_val_string);
+            return(ret_str_ptr);
             }
         free(tmp_str);
         }
@@ -235,7 +235,7 @@ int
 rv_cfg_string(sail_string **s,  char * yaml_key_str)
     {
     printf("%s, %d: entering rv_cfg_string()\n", __FILE__, __LINE__);
-    *s = rv_cfg_string_c(yaml_key_str);
+    s = rv_cfg_string_c(yaml_key_str);
     return(1);
     }