diff --git a/datafusion/core/src/datasource/listing/url.rs b/datafusion/core/src/datasource/listing/url.rs
index 2e8d314354c4..6fb536ca2f05 100644
--- a/datafusion/core/src/datasource/listing/url.rs
+++ b/datafusion/core/src/datasource/listing/url.rs
@@ -170,7 +170,7 @@ impl ListingTableUrl {
                 if ignore_subdirectory {
                     segments
                         .next()
-                        .map_or(false, |file_name| glob.matches(file_name))
+                        .is_some_and(|file_name| glob.matches(file_name))
                 } else {
                     let stripped = segments.join(DELIMITER);
                     glob.matches(&stripped)
diff --git a/datafusion/core/src/physical_optimizer/enforce_distribution.rs b/datafusion/core/src/physical_optimizer/enforce_distribution.rs
index 82fde60de090..27323eaedccc 100644
--- a/datafusion/core/src/physical_optimizer/enforce_distribution.rs
+++ b/datafusion/core/src/physical_optimizer/enforce_distribution.rs
@@ -617,7 +617,7 @@ pub(crate) fn reorder_join_keys_to_inputs(
                 left.equivalence_properties(),
                 right.equivalence_properties(),
             );
-            if positions.map_or(false, |idxs| !idxs.is_empty()) {
+            if positions.is_some_and(|idxs| !idxs.is_empty()) {
                 let JoinKeyPairs {
                     left_keys,
                     right_keys,
diff --git a/datafusion/core/src/physical_optimizer/replace_with_order_preserving_variants.rs b/datafusion/core/src/physical_optimizer/replace_with_order_preserving_variants.rs
index 7fc3adf784e2..2f6b7a51ee75 100644
--- a/datafusion/core/src/physical_optimizer/replace_with_order_preserving_variants.rs
+++ b/datafusion/core/src/physical_optimizer/replace_with_order_preserving_variants.rs
@@ -162,7 +162,7 @@ fn plan_with_order_breaking_variants(
         // not required by intermediate operators:
         if maintains
             && (is_sort_preserving_merge(plan)
-                || !required_ordering.map_or(false, |required_ordering| {
+                || !required_ordering.is_some_and(|required_ordering| {
                     node.plan
                         .equivalence_properties()
                         .ordering_satisfy_requirement(&required_ordering)
diff --git a/datafusion/core/src/physical_optimizer/sanity_checker.rs b/datafusion/core/src/physical_optimizer/sanity_checker.rs
index b2f2c933c1d1..99bd1cab3ed4 100644
--- a/datafusion/core/src/physical_optimizer/sanity_checker.rs
+++ b/datafusion/core/src/physical_optimizer/sanity_checker.rs
@@ -103,7 +103,7 @@ pub fn check_finiteness_requirements(
 /// [`PhysicalExpr`]: crate::physical_plan::PhysicalExpr
 /// [`Operator`]: datafusion_expr::Operator
 fn is_prunable(join: &SymmetricHashJoinExec) -> bool {
-    join.filter().map_or(false, |filter| {
+    join.filter().is_some_and(|filter| {
         check_support(filter.expression(), &join.schema())
             && filter
                 .schema()
diff --git a/datafusion/functions/src/string/common.rs b/datafusion/functions/src/string/common.rs
index 0d1f90eb22b9..6e5f767013d4 100644
--- a/datafusion/functions/src/string/common.rs
+++ b/datafusion/functions/src/string/common.rs
@@ -61,7 +61,7 @@ pub(crate) fn general_trim<T: OffsetSizeTrait>(
                 str::trim_start_matches::<&[char]>(input, pattern.as_ref());
             // `ltrimmed_str` is actually `input`[start_offset..],
             // so `start_offset` = len(`input`) - len(`ltrimmed_str`)
-            let start_offset = input.as_bytes().len() - ltrimmed_str.as_bytes().len();
+            let start_offset = input.len() - ltrimmed_str.len();
 
             (ltrimmed_str, start_offset as u32)
         },
@@ -78,7 +78,7 @@ pub(crate) fn general_trim<T: OffsetSizeTrait>(
                 str::trim_start_matches::<&[char]>(input, pattern.as_ref());
             // `btrimmed_str` can be got by rtrim(ltrim(`input`)),
             // so its `start_offset` should be same as ltrim situation above
-            let start_offset = input.as_bytes().len() - ltrimmed_str.as_bytes().len();
+            let start_offset = input.len() - ltrimmed_str.len();
             let btrimmed_str =
                 str::trim_end_matches::<&[char]>(ltrimmed_str, pattern.as_ref());
 
diff --git a/datafusion/functions/src/unicode/strpos.rs b/datafusion/functions/src/unicode/strpos.rs
index 1917cd7291cc..5d1986e44c92 100644
--- a/datafusion/functions/src/unicode/strpos.rs
+++ b/datafusion/functions/src/unicode/strpos.rs
@@ -173,13 +173,13 @@ where
                 // the sub vector in the main vector. This is faster than string.find() method.
                 if ascii_only {
                     // If the substring is empty, the result is 1.
-                    if substring.as_bytes().is_empty() {
+                    if substring.is_empty() {
                         T::Native::from_usize(1)
                     } else {
                         T::Native::from_usize(
                             string
                                 .as_bytes()
-                                .windows(substring.as_bytes().len())
+                                .windows(substring.len())
                                 .position(|w| w == substring.as_bytes())
                                 .map(|x| x + 1)
                                 .unwrap_or(0),
diff --git a/datafusion/physical-expr/src/equivalence/class.rs b/datafusion/physical-expr/src/equivalence/class.rs
index 1812844d98c9..d06a495d970a 100644
--- a/datafusion/physical-expr/src/equivalence/class.rs
+++ b/datafusion/physical-expr/src/equivalence/class.rs
@@ -518,7 +518,7 @@ impl EquivalenceGroup {
                 // and the equivalence class `(a, b)`, expression `b` projects to `a1`.
                 if self
                     .get_equivalence_class(source)
-                    .map_or(false, |group| group.contains(expr))
+                    .is_some_and(|group| group.contains(expr))
                 {
                     return Some(Arc::clone(target));
                 }
diff --git a/datafusion/physical-plan/src/common.rs b/datafusion/physical-plan/src/common.rs
index 844208999d25..aefb90d1d1b7 100644
--- a/datafusion/physical-plan/src/common.rs
+++ b/datafusion/physical-plan/src/common.rs
@@ -261,7 +261,7 @@ pub fn can_project(
             if columns
                 .iter()
                 .max()
-                .map_or(false, |&i| i >= schema.fields().len())
+                .is_some_and(|&i| i >= schema.fields().len())
             {
                 Err(arrow_schema::ArrowError::SchemaError(format!(
                     "project index {} out of bounds, max field {}",