diff --git a/src/elf.rs b/src/elf.rs
index cce1ce85..defbbcb4 100644
--- a/src/elf.rs
+++ b/src/elf.rs
@@ -400,7 +400,7 @@ impl<V: Verifier, C: ContextObject> Executable<V, C> {
             0
         };
         Ok(Self {
-            _verifier: PhantomData::default(),
+            _verifier: PhantomData,
             elf_bytes,
             ro_section: Section::Borrowed(0, 0..text_bytes.len()),
             text_section_info: SectionInfo {
@@ -515,7 +515,7 @@ impl<V: Verifier, C: ContextObject> Executable<V, C> {
         )?;
 
         Ok(Self {
-            _verifier: PhantomData::default(),
+            _verifier: PhantomData,
             elf_bytes,
             ro_section,
             text_section_info,
@@ -2141,20 +2141,4 @@ mod test {
             .expect("failed to read elf file");
         ElfExecutable::load(&elf_bytes, loader()).expect("validation failed");
     }
-
-    #[cfg(all(feature = "jit", not(target_os = "windows"), target_arch = "x86_64"))]
-    #[test]
-    fn test_size() {
-        let mut file = File::open("tests/elfs/noop.so").expect("file open failed");
-        let mut elf_bytes = Vec::new();
-        file.read_to_end(&mut elf_bytes)
-            .expect("failed to read elf file");
-        let mut executable =
-            ElfExecutable::from_elf(&elf_bytes, loader()).expect("validation failed");
-        {
-            Executable::jit_compile(&mut executable).unwrap();
-        }
-
-        assert_eq!(10546, executable.mem_size());
-    }
 }
diff --git a/src/static_analysis.rs b/src/static_analysis.rs
index d713f347..464c0f5b 100644
--- a/src/static_analysis.rs
+++ b/src/static_analysis.rs
@@ -896,7 +896,7 @@ impl<'a> Analysis<'a> {
                     };
                 }
                 if cfg_node.dominator_parent != dominator_parent {
-                    let mut cfg_node = self.cfg_nodes.get_mut(b).unwrap();
+                    let cfg_node = self.cfg_nodes.get_mut(b).unwrap();
                     cfg_node.dominator_parent = dominator_parent;
                     terminate = false;
                 }