diff --git a/mdit_py_plugins/dollarmath/index.py b/mdit_py_plugins/dollarmath/index.py
index 2cd7c3f..aebd3ea 100644
--- a/mdit_py_plugins/dollarmath/index.py
+++ b/mdit_py_plugins/dollarmath/index.py
@@ -77,7 +77,7 @@ def dollarmath_plugin(
     _label_renderer: Callable[[str], str]
     if label_renderer is None:
         _label_renderer = (
-            lambda label: f'<a href="#{label}" class="mathlabel" title="Permalink to this equation">¶</a>'  # noqa: E501
+            lambda label: f'<a href="#{label}" class="mathlabel" title="Permalink to this equation">¶</a>'
         )
     else:
         _label_renderer = label_renderer
diff --git a/mdit_py_plugins/texmath/index.py b/mdit_py_plugins/texmath/index.py
index 168d46e..63a169d 100644
--- a/mdit_py_plugins/texmath/index.py
+++ b/mdit_py_plugins/texmath/index.py
@@ -228,7 +228,7 @@ def render(tex: str, displayMode: bool, macros: Any) -> str:
                 "rex": re.compile(
                     r"^`{3}math\s+?([^`]+?)\s+?`{3}\s*?\(([^)$\r\n]+?)\)", re.M
                 ),
-                "tmpl": '<section class="eqno">\n<eqn>{0}</eqn><span>({1})</span>\n</section>\n',  # noqa: E501
+                "tmpl": '<section class="eqno">\n<eqn>{0}</eqn><span>({1})</span>\n</section>\n',
                 "tag": "```math",
             },
             {
@@ -328,7 +328,7 @@ def render(tex: str, displayMode: bool, macros: Any) -> str:
             {
                 "name": "math_block_eqno",
                 "rex": re.compile(r"^\${2}([^$]*?)\${2}\s*?\(([^)$\r\n]+?)\)", re.M),
-                "tmpl": '<section class="eqno">\n<eqn>{0}</eqn><span>({1})</span>\n</section>\n',  # noqa: E501
+                "tmpl": '<section class="eqno">\n<eqn>{0}</eqn><span>({1})</span>\n</section>\n',
                 "tag": "$$",
             },
             {
diff --git a/tests/test_footnote.py b/tests/test_footnote.py
index e543c14..fb9bf9d 100644
--- a/tests/test_footnote.py
+++ b/tests/test_footnote.py
@@ -443,7 +443,7 @@ def test_plugin_render():
     </li>
     </ol>
     </section>
-    """  # noqa: E501
+    """
         )
     )