diff --git a/src/api.rs b/src/api.rs
index 2e44d66..8231968 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -374,7 +374,7 @@ unsafe fn yaml_string_write_handler(
         size,
     );
     let fresh153 = addr_of_mut!((*(*emitter).output.string.size_written));
-    *fresh153 = (*fresh153 as libc::c_ulong).wrapping_add(size) as size_t as size_t;
+    *fresh153 = (*fresh153 as libc::c_ulong).wrapping_add(size) as size_t;
     1
 }
 
diff --git a/src/emitter.rs b/src/emitter.rs
index 11f5cbd..c749ce9 100644
--- a/src/emitter.rs
+++ b/src/emitter.rs
@@ -1046,7 +1046,7 @@ unsafe fn yaml_emitter_check_simple_key(emitter: *mut yaml_emitter_t) -> bool {
     match (*event).type_ {
         YAML_ALIAS_EVENT => {
             length = (length as libc::c_ulong).wrapping_add((*emitter).anchor_data.anchor_length)
-                as size_t as size_t;
+                as size_t;
         }
         YAML_SCALAR_EVENT => {
             if (*emitter).scalar_data.multiline {
@@ -1059,7 +1059,7 @@ unsafe fn yaml_emitter_check_simple_key(emitter: *mut yaml_emitter_t) -> bool {
                     .wrapping_add((*emitter).tag_data.handle_length)
                     .wrapping_add((*emitter).tag_data.suffix_length)
                     .wrapping_add((*emitter).scalar_data.length),
-            ) as size_t as size_t;
+            ) as size_t;
         }
         YAML_SEQUENCE_START_EVENT => {
             if !yaml_emitter_check_empty_sequence(emitter) {
@@ -1071,7 +1071,7 @@ unsafe fn yaml_emitter_check_simple_key(emitter: *mut yaml_emitter_t) -> bool {
                     .anchor_length
                     .wrapping_add((*emitter).tag_data.handle_length)
                     .wrapping_add((*emitter).tag_data.suffix_length),
-            ) as size_t as size_t;
+            ) as size_t;
         }
         YAML_MAPPING_START_EVENT => {
             if !yaml_emitter_check_empty_mapping(emitter) {
@@ -1083,7 +1083,7 @@ unsafe fn yaml_emitter_check_simple_key(emitter: *mut yaml_emitter_t) -> bool {
                     .anchor_length
                     .wrapping_add((*emitter).tag_data.handle_length)
                     .wrapping_add((*emitter).tag_data.suffix_length),
-            ) as size_t as size_t;
+            ) as size_t;
         }
         _ => return false,
     }
diff --git a/src/reader.rs b/src/reader.rs
index 264ad92..7348292 100644
--- a/src/reader.rs
+++ b/src/reader.rs
@@ -52,7 +52,7 @@ unsafe fn yaml_parser_determine_encoding(parser: *mut yaml_parser_t) -> Success
         let fresh1 = addr_of_mut!((*parser).raw_buffer.pointer);
         *fresh1 = (*fresh1).wrapping_offset(2_isize);
         let fresh2 = addr_of_mut!((*parser).offset);
-        *fresh2 = (*fresh2 as libc::c_ulong).wrapping_add(2_u64) as size_t as size_t;
+        *fresh2 = (*fresh2 as libc::c_ulong).wrapping_add(2_u64) as size_t;
     } else if (*parser)
         .raw_buffer
         .last
@@ -68,7 +68,7 @@ unsafe fn yaml_parser_determine_encoding(parser: *mut yaml_parser_t) -> Success
         let fresh3 = addr_of_mut!((*parser).raw_buffer.pointer);
         *fresh3 = (*fresh3).wrapping_offset(2_isize);
         let fresh4 = addr_of_mut!((*parser).offset);
-        *fresh4 = (*fresh4 as libc::c_ulong).wrapping_add(2_u64) as size_t as size_t;
+        *fresh4 = (*fresh4 as libc::c_ulong).wrapping_add(2_u64) as size_t;
     } else if (*parser)
         .raw_buffer
         .last
@@ -84,7 +84,7 @@ unsafe fn yaml_parser_determine_encoding(parser: *mut yaml_parser_t) -> Success
         let fresh5 = addr_of_mut!((*parser).raw_buffer.pointer);
         *fresh5 = (*fresh5).wrapping_offset(3_isize);
         let fresh6 = addr_of_mut!((*parser).offset);
-        *fresh6 = (*fresh6 as libc::c_ulong).wrapping_add(3_u64) as size_t as size_t;
+        *fresh6 = (*fresh6 as libc::c_ulong).wrapping_add(3_u64) as size_t;
     } else {
         (*parser).encoding = YAML_UTF8_ENCODING;
     }
@@ -397,8 +397,7 @@ pub(crate) unsafe fn yaml_parser_update_buffer(
             let fresh14 = addr_of_mut!((*parser).raw_buffer.pointer);
             *fresh14 = (*fresh14).wrapping_offset(width as isize);
             let fresh15 = addr_of_mut!((*parser).offset);
-            *fresh15 = (*fresh15 as libc::c_ulong).wrapping_add(width as libc::c_ulong) as size_t
-                as size_t;
+            *fresh15 = (*fresh15 as libc::c_ulong).wrapping_add(width as libc::c_ulong) as size_t;
             if value <= 0x7F {
                 let fresh16 = addr_of_mut!((*parser).buffer.last);
                 let fresh17 = *fresh16;