diff --git a/src/node_crypto.h b/src/node_crypto.h
index 360024be88a883..e0d01887ac9db2 100644
--- a/src/node_crypto.h
+++ b/src/node_crypto.h
@@ -577,7 +577,6 @@ class SignBase : public BaseObject {
 
 class Sign : public SignBase {
  public:
-
   static void Initialize(Environment* env, v8::Local<v8::Object> target);
 
   Error SignInit(const char* sign_type);
diff --git a/src/node_watchdog.h b/src/node_watchdog.h
index 77c2d535340b6f..56d5af322b0523 100644
--- a/src/node_watchdog.h
+++ b/src/node_watchdog.h
@@ -64,6 +64,7 @@ class SigintWatchdogHelper {
 
     int Start();
     bool Stop();
+
   private:
     SigintWatchdogHelper();
     ~SigintWatchdogHelper();
diff --git a/src/node_zlib.cc b/src/node_zlib.cc
index 4de9d7cdc27aa0..785c1a9b33fda7 100644
--- a/src/node_zlib.cc
+++ b/src/node_zlib.cc
@@ -52,7 +52,6 @@ void InitZlib(v8::Local<v8::Object> target);
  */
 class ZCtx : public AsyncWrap {
  public:
-
   ZCtx(Environment* env, Local<Object> wrap, node_zlib_mode mode)
       : AsyncWrap(env, wrap, AsyncWrap::PROVIDER_ZLIB),
         chunk_size_(0),
diff --git a/src/util.h b/src/util.h
index 47c1a4999b0a45..dd2da89e4e9d7b 100644
--- a/src/util.h
+++ b/src/util.h
@@ -286,6 +286,7 @@ class MaybeStackBuffer {
       if (buf_ != buf_st_)
         free(buf_);
     }
+
   private:
     size_t length_;
     T* buf_;