diff --git a/src/basicconsumeframe.h b/src/basicconsumeframe.h
index 92072a1..0bc7888 100644
--- a/src/basicconsumeframe.h
+++ b/src/basicconsumeframe.h
@@ -19,7 +19,7 @@ private:
      *  Field that is no longer used
      *  @var uint16_t
      */
-    uint16_t _deprecated;
+    uint16_t _deprecated = 0;
     
     /**
      *  specifies the name of the queue to consume from
diff --git a/src/basicgetframe.h b/src/basicgetframe.h
index e333876..f7244c8 100644
--- a/src/basicgetframe.h
+++ b/src/basicgetframe.h
@@ -19,7 +19,7 @@ private:
      *  Deprecated field
      *  @var uint16_t
      */
-    uint16_t _deprecated;
+    uint16_t _deprecated = 0;
 
     /**
      *  name of the queue to get a message from
@@ -60,7 +60,6 @@ public:
      */
     BasicGetFrame(uint16_t channel, const std::string& queue, bool noAck = false) :
         BasicFrame(channel, queue.length() + 4), // 1 for bool, 1 for string size, 2 for deprecated field
-        _deprecated(0),
         _queue(queue),
         _noAck(noAck)
     {}
diff --git a/src/basicheaderframe.h b/src/basicheaderframe.h
index 29059ed..ac0f644 100644
--- a/src/basicheaderframe.h
+++ b/src/basicheaderframe.h
@@ -19,7 +19,7 @@ private:
      *  Weight field, unused but must be sent, always value 0;
      *  @var uint16_t
      */
-    uint16_t _weight;
+    uint16_t _weight = 0;
 
     /**
      *  Body size, sum of the sizes of all body frames following the content header
@@ -63,7 +63,6 @@ public:
      */
     BasicHeaderFrame(uint16_t channel, const Envelope &envelope) :
         HeaderFrame(channel, 10 + envelope.size()), // there are at least 10 bytes sent, weight (2), bodySize (8), plus the size of the meta data
-        _weight(0),
         _bodySize(envelope.bodySize()),
         _metadata(envelope)
     {}
diff --git a/src/basicpublishframe.h b/src/basicpublishframe.h
index 7c241fe..9f9eb69 100644
--- a/src/basicpublishframe.h
+++ b/src/basicpublishframe.h
@@ -19,7 +19,7 @@ private:
      *  Variable that no longer is in use
      *  @var int16_t
      */
-    int16_t _deprecated;
+    int16_t _deprecated = 0;
 
     /**
      *  the name of the exchange to publish to. An empty exchange name means the default exchange.
@@ -71,7 +71,6 @@ public:
      */
     BasicPublishFrame(uint16_t channel, const std::string& exchange = "", const std::string& routingKey = "", bool mandatory = false, bool immediate = false) :
         BasicFrame(channel, exchange.length() + routingKey.length() + 5), // 1 extra per string (for the size), 1 for bools, 2 for deprecated field
-        _deprecated(0),
         _exchange(exchange),
         _routingKey(routingKey),
         _bools(mandatory, immediate)
diff --git a/src/exchangebindframe.h b/src/exchangebindframe.h
index 79baaec..e246fad 100644
--- a/src/exchangebindframe.h
+++ b/src/exchangebindframe.h
@@ -19,7 +19,7 @@ private:
      *  reserved byte
      *  @var uint16_t
      */
-    uint16_t _reserved;
+    uint16_t _reserved = 0;
 
     /**
      *  Exchange to bind to
@@ -96,7 +96,6 @@ public:
      */
     ExchangeBindFrame(uint16_t channel, const std::string &destination, const std::string &source, const std::string &routingKey, bool noWait, const Table &arguments) :
         ExchangeFrame(channel, (destination.length() + source.length() + routingKey.length() + arguments.size() + 6)), // 1 for each string, 1 for booleanset, 2 for deprecated field
-        _reserved(0),
         _destination(destination),
         _source(source),
         _routingKey(routingKey),
diff --git a/src/exchangedeclareframe.h b/src/exchangedeclareframe.h
index 7d6fc2e..9f36e64 100644
--- a/src/exchangedeclareframe.h
+++ b/src/exchangedeclareframe.h
@@ -19,7 +19,7 @@ private:
      *  Field that no longer is used
      *  @var uint16_t
      */
-    uint16_t _deprecated;
+    uint16_t _deprecated = 0;
     
     /**
      *  The exchange name
@@ -82,7 +82,6 @@ public:
      */
     ExchangeDeclareFrame(uint16_t channel, const std::string& name, const std::string& type, bool passive, bool durable, bool noWait, const Table& arguments) :
         ExchangeFrame(channel, (name.length() + type.length() + arguments.size() + 5)), // size of name, type and arguments + 1 (all booleans are stored in 1 byte) + 2 (deprecated short) + 2 (string sizes)
-        _deprecated(0),
         _name(name),
         _type(type),
         _bools(passive, durable, false, false, noWait),
diff --git a/src/exchangedeleteframe.h b/src/exchangedeleteframe.h
index 3077f41..960690c 100644
--- a/src/exchangedeleteframe.h
+++ b/src/exchangedeleteframe.h
@@ -19,7 +19,7 @@ private:
      *  Field that is no longer in use
      *  @var uint16_t
      */
-    uint16_t _deprecated;
+    uint16_t _deprecated = 0;
 
     /**
      *  The exchange name
@@ -74,7 +74,6 @@ public:
      */
     ExchangeDeleteFrame(uint16_t channel, const std::string& name, bool ifUnused = false, bool noWait = false) :
         ExchangeFrame(channel, name.length() + 4), // length of the name, 1 byte for encoding this length, 1 for bools, 2 for deprecated short
-        _deprecated(0),
         _name(name),
         _bools(ifUnused, noWait)
     {}
diff --git a/src/exchangeunbindframe.h b/src/exchangeunbindframe.h
index c474240..64999d2 100644
--- a/src/exchangeunbindframe.h
+++ b/src/exchangeunbindframe.h
@@ -19,7 +19,7 @@ private:
      *  reserved byte
      *  @var uint16_t
      */
-    uint16_t _reserved;
+    uint16_t _reserved = 0;
 
     /**
      *  Exchange to bind to
@@ -96,7 +96,6 @@ public:
      */
     ExchangeUnbindFrame(uint16_t channel, const std::string &destination, const std::string &source, const std::string &routingKey, bool noWait, const Table &arguments) :
         ExchangeFrame(channel, (destination.length() + source.length() + routingKey.length() + arguments.size() + 6)), // 1 for each string, 1 for booleanset, 2 for deprecated field
-        _reserved(0),
         _destination(destination),
         _source(source),
         _routingKey(routingKey),
diff --git a/src/queuebindframe.h b/src/queuebindframe.h
index 9a53897..93b30c6 100644
--- a/src/queuebindframe.h
+++ b/src/queuebindframe.h
@@ -19,7 +19,7 @@ private:
      *  Deprecated field
      *  @var uint16_t
      */
-    uint16_t _deprecated;
+    uint16_t _deprecated = 0;
 
     /**
      *  Queue name
@@ -88,7 +88,6 @@ public:
      */
     QueueBindFrame(uint16_t channel, const std::string& name, const std::string& exchange, const std::string& routingKey = "", bool noWait = false, const Table& arguments = {}) :
         QueueFrame(channel, (name.length() + exchange.length() + routingKey.length() + arguments.size() + 6) ), // 3 extra per string, 1 for bools, 2 for deprecated field
-        _deprecated(0),
         _name(name),
         _exchange(exchange),
         _routingKey(routingKey),
diff --git a/src/queuedeclareframe.h b/src/queuedeclareframe.h
index bc85f71..214cd48 100644
--- a/src/queuedeclareframe.h
+++ b/src/queuedeclareframe.h
@@ -19,7 +19,7 @@ private:
      *  Field that no longer is in use
      *  @var int16_t
      */
-    int16_t _deprecated;
+    int16_t _deprecated = 0;
 
     /**
      *  The exchange name
@@ -81,7 +81,6 @@ public:
      */
     QueueDeclareFrame(uint16_t channel, const std::string& name = "", bool passive = false, bool durable = false, bool exclusive = false, bool autoDelete = false, bool noWait = false, const Table& arguments = {}) :
         QueueFrame(channel, (name.length() + arguments.size() + 4 ) ), // 1 extra for string size, 1 for bools, 2 for deprecated value
-        _deprecated(0),
         _name(name),
         _bools(passive, durable, exclusive, autoDelete, noWait),
         _arguments(arguments)
diff --git a/src/queuedeleteframe.h b/src/queuedeleteframe.h
index 9f5a34e..8892c5e 100644
--- a/src/queuedeleteframe.h
+++ b/src/queuedeleteframe.h
@@ -19,7 +19,7 @@ private:
      *  Field that is no longer in use
      *  @var int16_t
      */
-    int16_t _deprecated;
+    int16_t _deprecated = 0;
 
     /**
      *  the queue name
@@ -70,7 +70,6 @@ public:
      */
     QueueDeleteFrame(uint16_t channel, const std::string& name, bool ifUnused = false, bool ifEmpty = false, bool noWait = false) :
         QueueFrame(channel, name.length() + 4), // 1 for string length, 1 for bools, 2 for deprecated field
-        _deprecated(0),
         _name(name),
         _bools(ifUnused, ifEmpty, noWait)
     {}
diff --git a/src/queuepurgeframe.h b/src/queuepurgeframe.h
index d9c92cf..e2a45b2 100644
--- a/src/queuepurgeframe.h
+++ b/src/queuepurgeframe.h
@@ -18,7 +18,7 @@ private:
      *  Field that is no longer in use
      *  @var int16_t
      */
-    int16_t _deprecated;
+    int16_t _deprecated = 0;
 
     /**
      *  Name of the queue
@@ -66,7 +66,6 @@ public:
      */ 
     QueuePurgeFrame(uint16_t channel, const std::string& name, bool noWait = false) :
         QueueFrame(channel, name.length() + 4), // 1 extra for string length, 1 for bool, 2 for deprecated field
-        _deprecated(0),
         _name(name),
         _noWait(noWait)
     {}
diff --git a/src/queueunbindframe.h b/src/queueunbindframe.h
index e969693..8460663 100644
--- a/src/queueunbindframe.h
+++ b/src/queueunbindframe.h
@@ -19,7 +19,7 @@ private:
      *  Unused field
      *  @var int16_t
      */
-    int16_t _deprecated;
+    int16_t _deprecated = 0;
 
     /**
      *  the queue name
@@ -81,7 +81,6 @@ public:
      */
     QueueUnbindFrame(uint16_t channel, const std::string& name, const std::string& exchange, const std::string& routingKey = "", const Table& arguments = {} ) :
         QueueFrame(channel, (name.length() + exchange.length() + routingKey.length() + arguments.size() + 5) ), // 1 per string, 2 for deprecated field
-        _deprecated(0),
         _name(name),
         _exchange(exchange),
         _routingKey(routingKey),