Remove circular dependency (#9279)
diff --git a/datafusion/physical-expr/Cargo.toml b/datafusion/physical-expr/Cargo.toml
index 9aa08fe..719dc42 100644
--- a/datafusion/physical-expr/Cargo.toml
+++ b/datafusion/physical-expr/Cargo.toml
@@ -74,7 +74,6 @@
[dev-dependencies]
criterion = "0.5"
-datafusion = { workspace = true }
rand = { workspace = true }
rstest = { workspace = true }
tokio = { workspace = true, features = ["rt-multi-thread"] }
diff --git a/datafusion/physical-expr/src/datetime_expressions.rs b/datafusion/physical-expr/src/datetime_expressions.rs
index e125c64..2ef105b 100644
--- a/datafusion/physical-expr/src/datetime_expressions.rs
+++ b/datafusion/physical-expr/src/datetime_expressions.rs
@@ -511,7 +511,7 @@
///
/// # Examples
///
-/// ```
+/// ```ignore
/// # use chrono::prelude::*;
/// # use datafusion::prelude::*;
/// # use datafusion::error::Result;
diff --git a/datafusion/physical-expr/src/regex_expressions.rs b/datafusion/physical-expr/src/regex_expressions.rs
index 901410c..b133485 100644
--- a/datafusion/physical-expr/src/regex_expressions.rs
+++ b/datafusion/physical-expr/src/regex_expressions.rs
@@ -65,7 +65,7 @@
///
/// # Examples
///
-/// ```
+/// ```ignore
/// # use datafusion::prelude::*;
/// # use datafusion::error::Result;
/// # #[tokio::main]
@@ -136,7 +136,7 @@
///
/// # Examples
///
-/// ```
+/// ```ignore
/// # use datafusion::prelude::*;
/// # use datafusion::error::Result;
/// # #[tokio::main]
@@ -216,7 +216,7 @@
///
/// # Examples
///
-/// ```
+/// ```ignore
/// # use datafusion::prelude::*;
/// # use datafusion::error::Result;
/// # #[tokio::main]
