diff --git a/preset/old_docx_presets.json b/preset/old_docx_presets.json
deleted file mode 100644
index 6d5613b..0000000
--- a/preset/old_docx_presets.json
+++ /dev/null
@@ -1,254 +0,0 @@
-[
-    {
-        "preset_name": "wrapper",
-        "rules": [
-            {
-                "tags": ["^div$"],
-                "condition": {
-                    "parent_tags": null,
-                    "child_tags": null,
-                    "attrs": [
-                        {
-                            "name": "id",
-                            "value": "^Table of Contents\\d+"
-                        }
-                    ],
-                    "text": null
-                },
-                "tag_to_wrap": {
-                    "name": "TOC",
-                    "attrs": []
-                }
-            }
-        ]
-    },
-    {
-        "preset_name": "decomposer",
-        "rules": [
-            {
-                "tags": ["^div$"],
-                "condition": {
-                    "parent_tags": null,
-                    "child_tags": null,
-                    "attrs": [
-                        {
-                            "name": "title",
-                            "value": "footer"
-                        }
-                    ],
-                    "text": null
-                }
-            },
-            {
-                "tags": ["^div$"],
-                "condition": {
-                    "parent_tags": null,
-                    "child_tags": null,
-                    "attrs": [
-                        {
-                            "name": "id",
-                            "value": "^Table of Contents\\d+"
-                        }
-                    ],
-                    "text": null
-                }
-            }
-        ]
-    },
-    {
-        "preset_name": "replacer",
-        "rules": [
-            {
-                "tags": ["^h[6-9]$"],
-                "condition": null,
-                "tag_to_replace": {
-                    "name": "p",
-                    "attrs": null
-                }
-            },
-            {
-                "tags": ["^div$"],
-                "condition": {
-                    "parent_tags": null,
-                    "child_tags": null,
-                    "attrs": [
-                        {
-                            "name": "style",
-                            "value": "column-count: 2"
-                        }
-                    ],
-                    "text": null
-                },
-                "tag_to_replace": {
-                    "name": "p",
-                    "attrs": null
-                }
-            }
-        ]
-    },
-    {
-        "preset_name": "attr_replacer",
-        "rules": [
-            {
-                "tags": ["^p$"],
-                "condition": {
-                    "attrs": [
-                        {
-                            "name": "style",
-                            "value": "column-count: 2"
-                        }
-                    ]
-                },
-                "attr_to_replace": {
-                    "name": "class",
-                    "value": "columns2"
-                }
-            }
-        ]
-    },
-    {
-        "preset_name": "unwrapper",
-        "rules": [
-            {
-                "tags": ["^span$"],
-                "condition": {
-                    "parent_tags": ":is(h1, h2, h3, h4, h5, h6, h7, h8, h9)",
-                    "child_tags": null,
-                    "attrs": null,
-                    "text": null
-                }
-            },
-            {
-                "tags": ["^span$"],
-                "condition": {
-                    "parent_tags": null,
-                    "child_tags": null,
-                    "attrs": [
-                        {
-                            "name": "style",
-                            "value": "(^background: #[\\da-fA-F]{6}$)|(^letter-spacing: -?[\\d.]+pt$)"
-                        }
-                    ],
-                    "text": null
-                }
-            },
-            {
-                "tags": ["^span$"],
-                "condition": {
-                    "parent_tags": null,
-                    "child_tags": null,
-                    "attrs": [
-                        {
-                            "name": "lang",
-                            "value": "^ru-RU$"
-                        }
-                    ],
-                    "text": null
-                }
-            },
-            {
-                "tags": ["^span$"],
-                "condition": {
-                    "parent_tags": null,
-                    "child_tags": null,
-                    "attrs": [
-                        {
-                            "name": "face",
-                            "value": "^Times New Roman[\\w, ]+$"
-                        }
-                    ],
-                    "text": null
-                }
-            },
-            {
-                "tags": ["^p$"],
-                "condition": {
-                    "parent_tags": ":is(li)",
-                    "child_tags": null,
-                    "attrs": null,
-                    "text": null
-                }
-            },
-            {
-                "tags": ["^a$"],
-                "condition": {
-                    "parent_tags": null,
-                    "child_tags": null,
-                    "attrs": [
-                        {
-                            "name": "name",
-                            "value": "_GoBack"
-                        }
-                    ],
-                    "text": null
-                }
-            },
-            {
-                "tags": ["^u$"],
-                "condition": {
-                    "parent_tags": ":is(a)",
-                    "child_tags": null,
-                    "attrs": null,
-                    "text": null
-                }
-            },
-            {
-                "tags": ["^u$"],
-                "condition": {
-                    "parent_tags": null,
-                    "child_tags": ":is(a)",
-                    "attrs": null,
-                    "text": null
-                }
-            },
-            {
-                "tags": ["^b$"],
-                "condition": {
-                    "parent_tags": ":is(h1, h2, h3, h4, h5, h6, h7, h8, h9)",
-                    "child_tags": null,
-                    "attrs": null,
-                    "text": null
-                }
-            },
-            {
-                "tags": ["^div$"],
-                "condition": null
-            }
-        ]
-    },
-    {
-        "preset_name": "inserter",
-        "rules": [
-            {
-                "tags": ["^p$"],
-                "condition": {
-                    "parent_tags": null,
-                    "child_tags": null,
-                    "attrs": null,
-                    "text": "\\$\\$[\\s\\S]*?\\$\\$"
-                },
-                "tag_to_insert": {
-                    "name": "span",
-                    "attrs": [
-                        {
-                            "name": "class",
-                            "value": "math-tex"
-                        }
-                    ]
-                }
-            }
-        ]
-    },
-    {
-        "preset_name": "text_replacer",
-        "rules": [
-            {
-                "tags": ["^p$"],
-                "condition": {
-                    "text": "(\\\\nonumber\\\\\\\\\\\\noalign{\\\\pagebreak}[\\s\\S]*?)\\\\"
-                },
-                "text_to_replace": "\\\\"
-            }
-        ]
-    }
-]
diff --git a/preset/old_epub_presets.json b/preset/old_epub_presets.json
deleted file mode 100644
index 81d5498..0000000
--- a/preset/old_epub_presets.json
+++ /dev/null
@@ -1,158 +0,0 @@
-[
-    {
-        "preset_name": "table_wrapper",
-        "rules": [
-            {
-                "tags": ["^section$", "^blockquote$"],
-                "condition": {
-                    "parent_tags": null,
-                    "child_tags": null,
-                    "attrs": [
-                    {
-                        "name": "class",
-                        "value": "feature[1234]"
-                    }
-                ]
-                }
-            }
-        ]
-    },
-    {
-        "preset_name": "replacer",
-        "rules": [
-            {
-                "tags": ["^h[6-9]$", "^figure$", "^section$", "^blockquote$"],
-                "condition": null,
-                "tag_to_replace": {
-                    "name": "p"
-                }
-            },
-            {
-                "tags": ["^aside$"],
-                "condition": null,
-                "tag_to_replace": {
-                    "name": "div"
-                }
-            },
-            {
-                "tags": ["^header$", "^footer$"],
-                "condition": null,
-                "tag_to_replace": {
-                    "name": "span"
-                }
-            },
-            {
-                "tags": ["^kbd$", "^var$"],
-                "condition": {
-                    "parent_tags": ":not(pre, span)",
-                    "child_tags": null,
-                    "attrs": null
-                },
-                "tag_to_replace": {
-                    "name": "span"
-                }
-            },
-            {
-                "tags": ["^em$"],
-                "condition": null,
-                "tag_to_replace": {
-                    "name": "i"
-                }
-            },
-            {
-                "tags": ["^b$"],
-                "condition": null,
-                "tag_to_replace": {
-                    "name": "strong"
-                }
-            },
-            {
-                "tags": ["^image$"],
-                "condition": null,
-                "tag_to_replace": {
-                    "name": "img"
-                }
-            }
-        ]
-    },
-    {
-        "preset_name": "attr_remover",
-        "rules": [
-            {
-                "tags": ["^sup$"],
-                "condition": null
-            }
-        ]
-    },
-    {
-        "preset_name": "attr_replacer",
-        "rules": [
-            {
-                "tags": ["^img$"],
-                "condition": {
-                    "attrs": [
-                        {
-                            "name": "xlink:href",
-                            "value": ".*"
-                        }
-                    ]
-                },
-                "attr_to_replace": {
-                    "name": "src",
-                    "value": null
-                }
-            }
-        ]
-    },
-    {
-        "preset_name": "unwrapper",
-        "rules": [
-            {
-                "tags": [
-                    "^section$",
-                    "^blockquote$",
-                    "^article$",
-                    "^figcaption$",
-                    "^main$",
-                    "^body$",
-                    "^html$",
-                    "^svg$"
-                ],
-                "condition": null
-            },
-            {
-                "tags": ["^p$"],
-                "condition": {
-                    "parent_tags": "li",
-                    "child_tags": null,
-                    "attrs": null
-                }
-            }
-        ]
-    },
-    {
-        "preset_name": "inserter",
-        "rules": [
-            {
-                "tags": ["^pre$"],
-                "condition": {
-                    "parent_tags": null,
-                    "child_tags": ":not(:has(code, kbd, var))",
-                    "attrs": null
-                },
-                "tag_to_insert": {
-                    "name": "code",
-                    "attrs": []
-                }
-            },
-            {
-                "tags": ["^h[1-5]$"],
-                "condition": null,
-                "tag_to_insert": {
-                    "name":"strong",
-                    "attrs": []
-                }
-            }
-        ]
-    }
-]