diff --git a/core/rustfmt.toml b/core/rustfmt.toml
index 474bdda..5850993 100644
--- a/core/rustfmt.toml
+++ b/core/rustfmt.toml
@@ -1,4 +1,3 @@
 max_width = 89
-version = "Two"
 comment_width = 89
 error_on_line_overflow = false
diff --git a/core/src/common/engines/parity_backend.rs b/core/src/common/engines/parity_backend.rs
index 619418b..add4be8 100644
--- a/core/src/common/engines/parity_backend.rs
+++ b/core/src/common/engines/parity_backend.rs
@@ -138,12 +138,11 @@ impl Engine for ParityEngine {
         let x = LK.lock();
 
         // step 1
-        let ret = crate::parse_prefix!(
-            self.hdr
-                .get(META_COLID, &self.prefix_allocator.key)
-                .unwrap()
-                .unwrap()
-        );
+        let ret = crate::parse_prefix!(self
+            .hdr
+            .get(META_COLID, &self.prefix_allocator.key)
+            .unwrap()
+            .unwrap());
 
         // step 2
         self.hdr
diff --git a/core/src/common/engines/rocks_backend.rs b/core/src/common/engines/rocks_backend.rs
index 1ed7f03..d518f01 100644
--- a/core/src/common/engines/rocks_backend.rs
+++ b/core/src/common/engines/rocks_backend.rs
@@ -126,9 +126,11 @@ impl Engine for RocksEngine {
         let x = LK.lock();
 
         // step 1
-        let ret = crate::parse_prefix!(
-            self.meta.get(self.prefix_allocator.key).unwrap().unwrap()
-        );
+        let ret = crate::parse_prefix!(self
+            .meta
+            .get(self.prefix_allocator.key)
+            .unwrap()
+            .unwrap());
 
         // step 2
         self.meta
diff --git a/core/tests/basic_mapx_raw_test.rs b/core/tests/basic_mapx_raw_test.rs
index bf7aa26..72986f8 100644
--- a/core/tests/basic_mapx_raw_test.rs
+++ b/core/tests/basic_mapx_raw_test.rs
@@ -59,12 +59,10 @@ fn basic_cases() {
     reloaded.insert(&[6], &[6]);
     reloaded.insert(&[80], &[80]);
 
-    assert!(
-        reloaded
-            .range(Cow::Borrowed(&[][..])..Cow::Borrowed(&[1][..]))
-            .next()
-            .is_none()
-    );
+    assert!(reloaded
+        .range(Cow::Borrowed(&[][..])..Cow::Borrowed(&[1][..]))
+        .next()
+        .is_none());
     assert_eq!(
         vec![4],
         reloaded
diff --git a/utils/slot_db/rustfmt.toml b/utils/slot_db/rustfmt.toml
index a0f3a5c..ebb48da 100644
--- a/utils/slot_db/rustfmt.toml
+++ b/utils/slot_db/rustfmt.toml
@@ -1,4 +1,3 @@
 max_width = 79
-version = "Two"
 comment_width = 79
 # error_on_line_overflow = false
diff --git a/wrappers/rustfmt.toml b/wrappers/rustfmt.toml
index 474bdda..5850993 100644
--- a/wrappers/rustfmt.toml
+++ b/wrappers/rustfmt.toml
@@ -1,4 +1,3 @@
 max_width = 89
-version = "Two"
 comment_width = 89
 error_on_line_overflow = false
diff --git a/wrappers/src/common/ende.rs b/wrappers/src/common/ende.rs
index 7377c74..37ef0fa 100644
--- a/wrappers/src/common/ende.rs
+++ b/wrappers/src/common/ende.rs
@@ -518,9 +518,7 @@ macro_rules! impl_all {
     };
 }
 
-impl_all!(
-    i8, i16, i32, i64, i128, isize, u8, u16, u32, u64, u128, usize
-);
+impl_all!(i8, i16, i32, i64, i128, isize, u8, u16, u32, u64, u128, usize);
 impl_all!(
     @i8, @i16, @i32, @i64, @i128, @isize, @u16, @u32, @u64, @u128, @usize
 );
diff --git a/wrappers/src/dagmap/rawkey/test.rs b/wrappers/src/dagmap/rawkey/test.rs
index f37adda..e5d0b52 100644
--- a/wrappers/src/dagmap/rawkey/test.rs
+++ b/wrappers/src/dagmap/rawkey/test.rs
@@ -1,7 +1,9 @@
 use super::*;
 
 macro_rules! s {
-    ($i: expr) => {{ $i.as_bytes().to_vec() }};
+    ($i: expr) => {{
+        $i.as_bytes().to_vec()
+    }};
 }
 
 #[test]
diff --git a/wrappers/tests/basic_mapx_ord_rawvalue_test.rs b/wrappers/tests/basic_mapx_ord_rawvalue_test.rs
index 1167338..830af79 100644
--- a/wrappers/tests/basic_mapx_ord_rawvalue_test.rs
+++ b/wrappers/tests/basic_mapx_ord_rawvalue_test.rs
@@ -76,12 +76,10 @@ fn basic_cases() {
         &100usize.to_be_bytes()[..],
         &reloaded.range(&100..=&999).next().unwrap().1[..]
     );
-    assert!(
-        reloaded
-            .range((Bound::Excluded(&100), Bound::Included(&999)))
-            .next()
-            .is_none()
-    );
+    assert!(reloaded
+        .range((Bound::Excluded(&100), Bound::Included(&999)))
+        .next()
+        .is_none());
 
     assert_eq!(
         &100usize.to_be_bytes()[..],
diff --git a/wrappers/tests/basic_mapx_ord_test.rs b/wrappers/tests/basic_mapx_ord_test.rs
index 6318b8e..6030655 100644
--- a/wrappers/tests/basic_mapx_ord_test.rs
+++ b/wrappers/tests/basic_mapx_ord_test.rs
@@ -80,12 +80,10 @@ fn basic_cases() {
     assert_eq!(100, reloaded.range(12..=999).next().unwrap().1.idx);
 
     assert_eq!(100, reloaded.range(100..=999).next().unwrap().1.idx);
-    assert!(
-        reloaded
-            .range((Bound::Excluded(100), Bound::Included(999)))
-            .next()
-            .is_none()
-    );
+    assert!(reloaded
+        .range((Bound::Excluded(100), Bound::Included(999)))
+        .next()
+        .is_none());
 
     assert_eq!(100, reloaded.get_ge(&99).unwrap().1.idx);
     assert_eq!(100, reloaded.get_ge(&100).unwrap().1.idx);