diff --git a/src/unix/uclibc/align.rs b/src/unix/uclibc/align.rs
index 1e53ff4bc94e6..3307c9d169456 100644
--- a/src/unix/uclibc/align.rs
+++ b/src/unix/uclibc/align.rs
@@ -1,34 +1,6 @@
 macro_rules! expand_align {
     () => {
         s! {
-            #[cfg_attr(all(target_pointer_width = "32",
-                           any(target_arch = "mips",
-                               target_arch = "arm",
-                               target_arch = "powerpc")),
-                       repr(align(4)))]
-            #[cfg_attr(any(target_pointer_width = "64",
-                           not(any(target_arch = "mips",
-                                   target_arch = "arm",
-                                   target_arch = "powerpc"))),
-                       repr(align(8)))]
-            pub struct pthread_mutex_t {
-                size: [u8; ::__SIZEOF_PTHREAD_MUTEX_T],
-            }
-
-            #[cfg_attr(all(target_pointer_width = "32",
-                           any(target_arch = "mips",
-                               target_arch = "arm",
-                               target_arch = "powerpc")),
-                       repr(align(4)))]
-            #[cfg_attr(any(target_pointer_width = "64",
-                           not(any(target_arch = "mips",
-                                   target_arch = "arm",
-                                   target_arch = "powerpc"))),
-                       repr(align(8)))]
-            pub struct pthread_rwlock_t {
-                size: [u8; ::__SIZEOF_PTHREAD_RWLOCK_T],
-            }
-
             #[cfg_attr(any(target_pointer_width = "32",
                            target_arch = "x86_64",
                            target_arch = "powerpc64",
@@ -59,6 +31,36 @@ macro_rules! expand_align {
             pub struct pthread_cond_t {
                 size: [u8; ::__SIZEOF_PTHREAD_COND_T],
             }
+
+            #[cfg_attr(all(target_pointer_width = "32",
+                           any(target_arch = "mips",
+                               target_arch = "arm",
+                               target_arch = "powerpc")),
+                       repr(align(4)))]
+            #[cfg_attr(any(target_pointer_width = "64",
+                           not(any(target_arch = "mips",
+                                   target_arch = "arm",
+                                   target_arch = "powerpc"))),
+                       repr(align(8)))]
+            #[allow(missing_debug_implementations)]
+            pub struct pthread_mutex_t {
+                size: [u8; ::__SIZEOF_PTHREAD_MUTEX_T],
+            }
+
+            #[cfg_attr(all(target_pointer_width = "32",
+                           any(target_arch = "mips",
+                               target_arch = "arm",
+                               target_arch = "powerpc")),
+                       repr(align(4)))]
+            #[cfg_attr(any(target_pointer_width = "64",
+                           not(any(target_arch = "mips",
+                                   target_arch = "arm",
+                                   target_arch = "powerpc"))),
+                       repr(align(8)))]
+            #[allow(missing_debug_implementations)]
+            pub struct pthread_rwlock_t {
+                size: [u8; ::__SIZEOF_PTHREAD_RWLOCK_T],
+            }
         }
     }
 }
diff --git a/src/unix/uclibc/x86_64/align.rs b/src/unix/uclibc/x86_64/align.rs
index 5a97c19fb9fbe..8d4bbd59b093d 100644
--- a/src/unix/uclibc/x86_64/align.rs
+++ b/src/unix/uclibc/x86_64/align.rs
@@ -12,20 +12,6 @@ macro_rules! expand_align {
                 __size: [::c_char; 32],
             }
 
-            #[cfg_attr(all(target_pointer_width = "32",
-                           any(target_arch = "mips",
-                               target_arch = "arm",
-                               target_arch = "powerpc")),
-                       repr(align(4)))]
-            #[cfg_attr(all(any(target_pointer_width = "64",
-                               not(any(target_arch = "mips",
-                                       target_arch = "arm",
-                                       target_arch = "powerpc")))),
-                       repr(align(8)))]
-            pub struct pthread_mutex_t { // ToDo
-                size: [u8; ::__SIZEOF_PTHREAD_MUTEX_T],
-            }
-
             #[cfg_attr(any(target_pointer_width = "32",
                            target_arch = "x86_64",
                            target_arch = "powerpc64",
@@ -44,15 +30,33 @@ macro_rules! expand_align {
                 size: [u8; ::__SIZEOF_PTHREAD_MUTEXATTR_T],
             }
 
-            #[repr(align(8))]
-            pub struct pthread_cond_t { // ToDo
-                size: [u8; ::__SIZEOF_PTHREAD_COND_T],
-            }
-
             #[repr(align(4))]
             pub struct pthread_condattr_t { // ToDo
                 size: [u8; ::__SIZEOF_PTHREAD_CONDATTR_T],
             }
+        }
+
+        s_no_extra_traits! {
+            #[cfg_attr(all(target_pointer_width = "32",
+                           any(target_arch = "mips",
+                               target_arch = "arm",
+                               target_arch = "powerpc")),
+                       repr(align(4)))]
+            #[cfg_attr(all(any(target_pointer_width = "64",
+                               not(any(target_arch = "mips",
+                                       target_arch = "arm",
+                                       target_arch = "powerpc")))),
+                       repr(align(8)))]
+            #[allow(missing_debug_implementations)]
+            pub struct pthread_mutex_t { // ToDo
+                size: [u8; ::__SIZEOF_PTHREAD_MUTEX_T],
+            }
+
+            #[repr(align(8))]
+            #[allow(missing_debug_implementations)]
+            pub struct pthread_cond_t { // ToDo
+                size: [u8; ::__SIZEOF_PTHREAD_COND_T],
+            }
 
             #[cfg_attr(all(target_pointer_width = "32",
                            any(target_arch = "mips",
@@ -64,6 +68,7 @@ macro_rules! expand_align {
                                    target_arch = "arm",
                                    target_arch = "powerpc"))),
                        repr(align(8)))]
+            #[allow(missing_debug_implementations)]
             pub struct pthread_rwlock_t { // ToDo
                 size: [u8; ::__SIZEOF_PTHREAD_RWLOCK_T],
             }
diff --git a/src/unix/uclibc/x86_64/l4re.rs b/src/unix/uclibc/x86_64/l4re.rs
index 4f5811d17dfe8..16ec0ef966473 100644
--- a/src/unix/uclibc/x86_64/l4re.rs
+++ b/src/unix/uclibc/x86_64/l4re.rs
@@ -27,6 +27,7 @@ s! {
 }
 
 #[cfg(target_os = "l4re")]
+#[allow(missing_debug_implementations)]
 pub struct pthread_attr_t {
     pub __detachstate: ::c_int,
     pub __schedpolicy: ::c_int,
diff --git a/src/unix/uclibc/x86_64/mod.rs b/src/unix/uclibc/x86_64/mod.rs
index 0afa7dc77b6e0..a8bb0794aa1de 100644
--- a/src/unix/uclibc/x86_64/mod.rs
+++ b/src/unix/uclibc/x86_64/mod.rs
@@ -20,22 +20,6 @@ pub type time_t = ::c_int;
 pub type wchar_t = ::c_int;
 
 s! {
-    pub struct dirent {
-        pub d_ino: ::ino64_t,
-        pub d_off: ::off64_t,
-        pub d_reclen: u16,
-        pub d_type: u8,
-        pub d_name: [::c_char; 256],
-    }
-
-    pub struct dirent64 {
-        pub d_ino: ::ino64_t,
-        pub d_off: ::off64_t,
-        pub d_reclen: u16,
-        pub d_type: u8,
-        pub d_name: [::c_char; 256],
-    }
-
     pub struct ipc_perm {
         pub __key: ::key_t,
         pub uid: ::uid_t,
@@ -252,6 +236,25 @@ s! {
     }
 }
 
+s_no_extra_traits! {
+    #[allow(missing_debug_implementations)]
+    pub struct dirent {
+        pub d_ino: ::ino64_t,
+        pub d_off: ::off64_t,
+        pub d_reclen: u16,
+        pub d_type: u8,
+        pub d_name: [::c_char; 256],
+    }
+    #[allow(missing_debug_implementations)]
+    pub struct dirent64 {
+        pub d_ino: ::ino64_t,
+        pub d_off: ::off64_t,
+        pub d_reclen: u16,
+        pub d_type: u8,
+        pub d_name: [::c_char; 256],
+    }
+}
+
 // constants
 pub const EADDRINUSE: ::c_int = 98; // Address already in use
 pub const EADDRNOTAVAIL: ::c_int = 99; // Cannot assign requested address