diff --git a/generate_py5.py b/generate_py5.py
index 404e2167..02080f80 100644
--- a/generate_py5.py
+++ b/generate_py5.py
@@ -101,7 +101,7 @@ def find_jar(jar_name):
         logger.critical(msg)
         raise RuntimeError(msg)
 
-    javap.classpath = f"{py5_jar_path}:{core_jar_path}"
+    classpath = f"{py5_jar_path}:{core_jar_path}"
 
     logger.info("creating Sketch code")
     sketch_data = (
@@ -111,7 +111,7 @@ def find_jar(jar_name):
     )
 
     # these CodeBuilder objects write the code fragments for the methods and fields.
-    sketch_builder = CodeBuilder("py5.core.Sketch", "Sketch", sketch_data)
+    sketch_builder = CodeBuilder(classpath, "py5.core.Sketch", "Sketch", sketch_data)
     sketch_builder.code_module_members("_py5sketch")
     sketch_builder.run_builder()
 
@@ -134,7 +134,7 @@ def run_code_builder(name, clsname, class_name=None):
             .set_index("java_name")
         )
 
-        builder = CodeBuilder(clsname, name, data)
+        builder = CodeBuilder(classpath, clsname, name, data)
         builder.run_builder()
 
         return builder
diff --git a/generator/codebuilder.py b/generator/codebuilder.py
index c31c3c52..3db30304 100644
--- a/generator/codebuilder.py
+++ b/generator/codebuilder.py
@@ -90,12 +90,12 @@ def _param_annotation(varname: str, jtype: str) -> str:
 
 
 class CodeBuilder:
-    def __init__(self, clsname, class_name, class_data):
+    def __init__(self, classpath, clsname, class_name, class_data):
         (
             self._constant_field_data,
             self._field_data,
             self._method_data,
-        ) = javap.get_class_information(clsname)
+        ) = javap.get_class_information(classpath, clsname)
         self._class_name = class_name
         self._py5_names = class_data["py5_name"]
         self._py5_decorators = class_data["decorator"]
diff --git a/generator/javap.py b/generator/javap.py
index a590c9c9..8d6fb4c0 100644
--- a/generator/javap.py
+++ b/generator/javap.py
@@ -26,7 +26,7 @@
 import subprocess
 from collections import defaultdict
 
-classpath = ""
+from .reference import SKIP_METHOD_SIGNATURES
 
 FUNCTION_REGEX = re.compile(
     r"[\w\s]*?\s+(static)?[\w\s]*?([\w\[\]\.]+) (\w+)\(([^\)]*)\).*;"
@@ -88,7 +88,7 @@ def process_block(block, is_interface):
     return data
 
 
-def process_class(classname, data):
+def process_class(classpath, classname, data):
     command = f"javap -classpath {classpath} -constants -public -l {classname}"
     result = subprocess.run(command.split(), capture_output=True)
 
@@ -108,23 +108,23 @@ def process_class(classname, data):
     m = IMPLEMENTS_REGEX.match(class_signature)
     if m:
         for interface in m.group(1).split(","):
-            process_class(interface.strip(), data)
+            process_class(classpath, interface.strip(), data)
     m = EXTENDS_REGEX.match(class_signature)
     if m:
-        process_class(m.group(1).strip(), data)
+        process_class(classpath, m.group(1).strip(), data)
 
     blocks = content.split("\n\n")
     data.extend([process_block(b, is_interface) for b in blocks if b])
 
 
-def get_class_information(classname):
+def get_class_information(classpath, classname):
     """parse the output of `javap` to get info on a class's methods and fields
 
     Java classes need to have been compiled with debug information for this to
     work.
     """
     data = []
-    process_class(classname, data)
+    process_class(classpath, classname, data)
 
     constant_field_data = {}
     field_data = {}
@@ -150,4 +150,8 @@ def get_class_information(classname):
         if key in method_data:
             del constant_field_data[key]
 
+    for method_name, sig in SKIP_METHOD_SIGNATURES.get(classname, []):
+        if method_name in method_data and sig in method_data[method_name]:
+            del method_data[method_name][sig]
+
     return constant_field_data, field_data, method_data
diff --git a/generator/reference.py b/generator/reference.py
index b592c7b5..bf4da771 100644
--- a/generator/reference.py
+++ b/generator/reference.py
@@ -101,6 +101,11 @@
     "mpl_cmaps",
 }
 
+SKIP_METHOD_SIGNATURES = {
+    "py5.core.Sketch": [("vertex", "float[]")],
+    "py5.core.Py5Graphics": [("vertex", "float[]")],
+}
+
 EXTRA_METHOD_SIGNATURES = {
     ("Sketch", "run_sketch"): [
         (
diff --git a/py5_docs/Reference/api_en/Py5Graphics_vertex.txt b/py5_docs/Reference/api_en/Py5Graphics_vertex.txt
index d67dc9ad..e2d5b7dc 100644
--- a/py5_docs/Reference/api_en/Py5Graphics_vertex.txt
+++ b/py5_docs/Reference/api_en/Py5Graphics_vertex.txt
@@ -7,7 +7,6 @@ pclass = PGraphics
 processing_name = vertex
 
 @@ signatures
-vertex(v: npt.NDArray[np.floating], /) -> None
 vertex(x: float, y: float, /) -> None
 vertex(x: float, y: float, u: float, v: float, /) -> None
 vertex(x: float, y: float, z: float, /) -> None
@@ -16,7 +15,6 @@ vertex(x: float, y: float, z: float, u: float, v: float, /) -> None
 @@ variables
 u: float - horizontal coordinate for the texture mapping
 v: float - vertical coordinate for the texture mapping
-v: npt.NDArray[np.floating] - vertical coordinate data for the texture mapping
 x: float - x-coordinate of the vertex
 y: float - y-coordinate of the vertex
 z: float - z-coordinate of the vertex
diff --git a/py5_docs/Reference/api_en/Sketch_vertex.txt b/py5_docs/Reference/api_en/Sketch_vertex.txt
index dd9e8d8c..13166d28 100644
--- a/py5_docs/Reference/api_en/Sketch_vertex.txt
+++ b/py5_docs/Reference/api_en/Sketch_vertex.txt
@@ -7,7 +7,6 @@ pclass = PApplet
 processing_name = vertex
 
 @@ signatures
-vertex(v: npt.NDArray[np.floating], /) -> None
 vertex(x: float, y: float, /) -> None
 vertex(x: float, y: float, u: float, v: float, /) -> None
 vertex(x: float, y: float, z: float, /) -> None
@@ -16,7 +15,6 @@ vertex(x: float, y: float, z: float, u: float, v: float, /) -> None
 @@ variables
 u: float - horizontal coordinate for the texture mapping
 v: float - vertical coordinate for the texture mapping
-v: npt.NDArray[np.floating] - vertical coordinate data for the texture mapping
 x: float - x-coordinate of the vertex
 y: float - y-coordinate of the vertex
 z: float - z-coordinate of the vertex