diff --git a/source/libublsettings-char.c b/source/libublsettings-char.c
index 55e231e..6b9ec69 100644
--- a/source/libublsettings-char.c
+++ b/source/libublsettings-char.c
@@ -179,7 +179,7 @@ int yon_char_check_elements(char *target, char *element, char *divider){
     config_str parsed = yon_char_parse(target,&size,divider);
     config_str parsed_element = yon_char_parse(element,&element_size,divider);
     for (int i=0;i<element_size;i++){
-        int found = yon_char_parsed_check_exist(parsed,size,element);
+        int found = yon_char_parsed_check_exist(parsed,size,parsed_element[i]);
         if (found<0){
             yon_char_parsed_free(parsed,size);
             yon_char_parsed_free(parsed_element,element_size);
diff --git a/source/libublsettings-config.c b/source/libublsettings-config.c
index b75f01f..5a1a9b0 100644
--- a/source/libublsettings-config.c
+++ b/source/libublsettings-config.c
@@ -702,6 +702,28 @@ int yon_config_remove_elements(char *key, char *delete_target, char *divider){
     } else return 0;
 }
 
+int yon_config_remove_elements_all(char *key, char *delete_target, char *divider){
+    check_config{
+        int found = 0;
+        yon_config_parameter *dict = (yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key);
+        if (dict&&yon_char_check_elements((char*)dict->data,delete_target,divider)){
+            char *temp = yon_char_remove_elements((char*)dict->data,delete_target,divider);
+            if (!yon_char_is_empty(temp)){
+                if (!yon_char_is_empty((char*)dict->data)) free(dict->data);
+                dict->data = temp;
+                yon_config_set_status(key,1);
+            } else {
+                dict->data = NULL;
+                yon_config_set_status(key,-1);
+            }
+            
+
+            return 1;
+        }
+        
+    } else return 0;
+}
+
 int yon_config_append_element(char *key, char *append, char *divider){
     check_config{
         int found = 0;
diff --git a/source/libublsettings.h b/source/libublsettings.h
index 0b556b8..0002fb0 100644
--- a/source/libublsettings.h
+++ b/source/libublsettings.h
@@ -1376,6 +1376,13 @@ int yon_config_remove_element(char *key, char *delete_target, char *separator);
 /// @return 1 if element was successfully removed, 0 otherwise 
 int yon_config_remove_elements(char *key, char *delete_target, char *separator);
 
+/// @brief Remove elements string from registered parameter value string of elements if all of requested parameters exist
+/// @param key parameter key
+/// @param delete_target substring to delete 
+/// @param separator string, separating elements within parameter's value
+/// @return 1 if element was successfully removed, 0 otherwise 
+int yon_config_remove_elements_all(char *key, char *delete_target, char *divider);
+
 /// @brief Append registered parameter value string
 /// @param key parameter key
 /// @param append string to append