diff --git a/examples/linalg/Cargo.toml b/examples/linalg/Cargo.toml
index bf1d09aaf..6dcdcd673 100644
--- a/examples/linalg/Cargo.toml
+++ b/examples/linalg/Cargo.toml
@@ -14,5 +14,5 @@ ndarray = "0.12"
 ndarray-linalg = { version = "0.10", features = ["openblas"] }
 
 [dependencies.pyo3]
-version = "0.6"
+version = "0.7"
 features = ["extension-module"]
diff --git a/examples/linalg/setup.py b/examples/linalg/setup.py
index a3afda801..52dfa0d10 100644
--- a/examples/linalg/setup.py
+++ b/examples/linalg/setup.py
@@ -1,10 +1,7 @@
-import sys
 from setuptools import find_packages, setup
 from setuptools_rust import RustExtension
 
 
-PYTHON_MAJOR_VERSION = sys.version_info[0]
-
 setup_requires = ['setuptools-rust>=0.6.0']
 install_requires = ['numpy']
 test_requires = install_requires + ['pytest']
diff --git a/examples/simple-extension/setup.py b/examples/simple-extension/setup.py
index c70186364..569ac0c58 100644
--- a/examples/simple-extension/setup.py
+++ b/examples/simple-extension/setup.py
@@ -1,10 +1,7 @@
-import sys
 from setuptools import find_packages, setup
 from setuptools_rust import RustExtension
 
 
-PYTHON_MAJOR_VERSION = sys.version_info[0]
-
 setup_requires = ['setuptools-rust>=0.6.0']
 install_requires = ['numpy']
 test_requires = install_requires + ['pytest']