diff --git a/.gitignore b/.gitignore
index 0f19c2d..f23c4ae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,5 @@
 __pycache__
 numpy_stubs.egg-info/
 venv
-.idea
\ No newline at end of file
+.idea
+**~
diff --git a/numpy-stubs/__init__.pyi b/numpy-stubs/__init__.pyi
index cb61b7a..0847317 100644
--- a/numpy-stubs/__init__.pyi
+++ b/numpy-stubs/__init__.pyi
@@ -297,8 +297,6 @@ class ndarray(_ArrayOrScalarCommon, Iterable, Sized, Container):
     ) -> ndarray: ...
     @property
     def dtype(self) -> _Dtype: ...
-    @dtype.setter
-    def dtype(self, value: _DtypeLike): ...
     @property
     def ctypes(self) -> _ctypes: ...
     @property
diff --git a/tests/fail/ndarray.py b/tests/fail/ndarray.py
new file mode 100644
index 0000000..5a5130d
--- /dev/null
+++ b/tests/fail/ndarray.py
@@ -0,0 +1,11 @@
+import numpy as np
+
+# Ban setting dtype since mutating the type of the array in place
+# makes having ndarray be generic over dtype impossible. Generally
+# users should use `ndarray.view` in this situation anyway. See
+#
+# https://github.com/numpy/numpy-stubs/issues/7
+#
+# for more context.
+float_array = np.array([1.0])
+float_array.dtype = np.bool_  # E: Property "dtype" defined in "ndarray" is read-only