diff --git a/Changelog.md b/Changelog.md
index e39a39789..503a2e8f3 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -8,6 +8,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 * **Breaking Change**: Build with `--no-default-features` by default when bootstrapping from sdist in [#1333](https://github.com/PyO3/maturin/pull/1333)
+* **Breaking Change**: Remove deprecated `sdist-include` option in `pyproject.toml` in [#1335](https://github.com/PyO3/maturin/pull/1335)
+* **Breaking Change**: Remove deprecated `python-source` option in `Cargo.toml` in [#1335](https://github.com/PyO3/maturin/pull/1335)
+* **Breaking Change**: Turn `patchelf` version warning into a hard error in [#1335](https://github.com/PyO3/maturin/pull/1335)
 
 ## [0.14.4] - 2022-12-05
 
diff --git a/guide/src/metadata.md b/guide/src/metadata.md
index f0ed3ff24..eb61cb9be 100644
--- a/guide/src/metadata.md
+++ b/guide/src/metadata.md
@@ -107,9 +107,6 @@ in the `tool.maturin` section of `pyproject.toml`.
 
 ```toml
 [tool.maturin]
-# Include arbitrary files in the sdist
-# NOTE: deprecated, please use `include` with `format="sdist"`
-sdist-include = []
 # Include additional files
 include = []
 # Exclude files
diff --git a/src/auditwheel/patchelf.rs b/src/auditwheel/patchelf.rs
index 69924a163..7681c6e63 100644
--- a/src/auditwheel/patchelf.rs
+++ b/src/auditwheel/patchelf.rs
@@ -21,9 +21,8 @@ pub fn verify_patchelf() -> Result<()> {
         .context("Failed to parse patchelf version")?;
     println!("{:?}", semver);
     if semver < semver::Version::new(0, 14, 0) {
-        // TODO: turn it into an error in 1.0
-        eprintln!(
-            "⚠️  Warning: patchelf {} found. auditwheel repair requires patchelf >= 0.14.",
+        bail!(
+            "patchelf {} found. auditwheel repair requires patchelf >= 0.14.",
             version
         );
     }
diff --git a/src/cargo_toml.rs b/src/cargo_toml.rs
index c3df43e16..10c69b2b1 100644
--- a/src/cargo_toml.rs
+++ b/src/cargo_toml.rs
@@ -104,8 +104,6 @@ struct CargoTomlMetadata {
 #[serde(rename_all = "kebab-case")]
 pub struct RemainingCoreMetadata {
     pub name: Option<String>,
-    /// The directory with python module, contains `<module_name>/__init__.py`
-    pub python_source: Option<String>,
     /// The directory containing the wheel data
     pub data: Option<String>,
     #[serde(flatten)]
diff --git a/src/project_layout.rs b/src/project_layout.rs
index 8f915d7c5..858df08d3 100644
--- a/src/project_layout.rs
+++ b/src/project_layout.rs
@@ -137,30 +137,24 @@ impl ProjectResolver {
         };
         let py_root = match pyproject.and_then(|x| x.python_source()) {
             Some(py_src) => project_root.join(py_src),
-            None => match extra_metadata.python_source.as_ref() {
-                Some(py_src) => {
-                    println!("⚠️ Warning: specify python-source in Cargo.toml is deprecated, use python-source in [tool.maturin] section in pyproject.toml instead");
-                    manifest_dir.join(py_src)
-                }
-                None => match pyproject.and_then(|x| x.project_name()) {
-                    Some(project_name) => {
-                        // Detect src layout
-                        let import_name = project_name.replace('-', "_");
-                        let rust_cargo_toml_found =
-                            project_root.join("rust").join("Cargo.toml").is_file();
-                        let python_src_found = project_root
-                            .join("src")
-                            .join(import_name)
-                            .join("__init__.py")
-                            .is_file();
-                        if rust_cargo_toml_found && python_src_found {
-                            project_root.join("src")
-                        } else {
-                            project_root.to_path_buf()
-                        }
+            None => match pyproject.and_then(|x| x.project_name()) {
+                Some(project_name) => {
+                    // Detect src layout
+                    let import_name = project_name.replace('-', "_");
+                    let rust_cargo_toml_found =
+                        project_root.join("rust").join("Cargo.toml").is_file();
+                    let python_src_found = project_root
+                        .join("src")
+                        .join(import_name)
+                        .join("__init__.py")
+                        .is_file();
+                    if rust_cargo_toml_found && python_src_found {
+                        project_root.join("src")
+                    } else {
+                        project_root.to_path_buf()
                     }
-                    None => project_root.to_path_buf(),
-                },
+                }
+                None => project_root.to_path_buf(),
             },
         };
         let data = match pyproject.and_then(|x| x.data()) {
diff --git a/src/pyproject_toml.rs b/src/pyproject_toml.rs
index 60cd5f3b5..7ff2087e6 100644
--- a/src/pyproject_toml.rs
+++ b/src/pyproject_toml.rs
@@ -86,8 +86,6 @@ impl GlobPattern {
 #[serde(rename_all = "kebab-case")]
 pub struct ToolMaturin {
     // maturin specific options
-    // TODO(0.15.0): remove deprecated
-    sdist_include: Option<Vec<String>>,
     include: Option<Vec<GlobPattern>>,
     exclude: Option<Vec<GlobPattern>>,
     bindings: Option<String>,
@@ -170,15 +168,6 @@ impl PyProjectToml {
         self.tool.as_ref()?.maturin.as_ref()
     }
 
-    /// Returns the value of `[tool.maturin.sdist-include]` in pyproject.toml
-    #[deprecated(
-        since = "0.14.0",
-        note = "please use `PyProjectToml::include` (<https://github.com/PyO3/maturin/pulls/1255>)"
-    )]
-    pub fn sdist_include(&self) -> Option<&Vec<String>> {
-        self.maturin()?.sdist_include.as_ref()
-    }
-
     /// Returns the value of `[tool.maturin.include]` in pyproject.toml
     pub fn include(&self) -> Option<&[GlobPattern]> {
         self.maturin()?.include.as_ref().map(AsRef::as_ref)
diff --git a/src/source_distribution.rs b/src/source_distribution.rs
index 351ba5fd4..e285cf66f 100644
--- a/src/source_distribution.rs
+++ b/src/source_distribution.rs
@@ -593,16 +593,6 @@ pub fn source_distribution(
         Ok(())
     };
 
-    #[allow(deprecated)]
-    if let Some(include_targets) = pyproject.sdist_include() {
-        eprintln!(
-            "⚠️  Warning: `[tool.maturin.sdist-include]` is deprecated, please use `[tool.maturin.include]`"
-        );
-        for pattern in include_targets {
-            include(pattern.as_str())?;
-        }
-    }
-
     if let Some(glob_patterns) = pyproject.include() {
         for pattern in glob_patterns
             .iter()