diff --git a/Changes b/Changes
index 5eaa1ea8a..84526c0c1 100644
--- a/Changes
+++ b/Changes
@@ -19,6 +19,9 @@ The contributors that suggested a given feature are shown in []. Thanks!
 
 ****  Fix compiler warning when WIDTH warning ignored on large compare.
 
+****  Fix memory leak in VerilatedVcd dumps, bug1222 partial. [Shareef Jalloq]
+
+
 
 * Verilator 3.912 2017-09-23
 
diff --git a/include/verilated_vcd_c.cpp b/include/verilated_vcd_c.cpp
index f7e115e52..1d8bdc3ac 100644
--- a/include/verilated_vcd_c.cpp
+++ b/include/verilated_vcd_c.cpp
@@ -67,6 +67,7 @@ protected:
 			  VerilatedVcdCallback_t changecb,
 			  void* ut, vluint32_t code)
 	: m_initcb(icb), m_fullcb(fcb), m_changecb(changecb), m_userthis(ut), m_code(code) {};
+    ~VerilatedVcdCallInfo() {}
 };
 
 //=============================================================================
@@ -228,6 +229,10 @@ VerilatedVcd::~VerilatedVcd() {
     if (m_sigs_oldvalp) { delete[] m_sigs_oldvalp; m_sigs_oldvalp=NULL; }
     deleteNameMap();
     if (m_filep && m_fileNewed) { delete m_filep; m_filep = NULL; }
+    for (CallbackVec::iterator it=m_callbacks.begin(); it!=m_callbacks.end(); ++it) {
+	delete (*it);
+    }
+    m_callbacks.clear();
     // Remove from list of traces
     VcdVec::iterator pos = find(singleton().s_vcdVecp.begin(), singleton().s_vcdVecp.end(), this);
     if (pos != singleton().s_vcdVecp.end()) { singleton().s_vcdVecp.erase(pos); }
diff --git a/include/verilated_vcd_c.h b/include/verilated_vcd_c.h
index 377a3e899..b353b5401 100644
--- a/include/verilated_vcd_c.h
+++ b/include/verilated_vcd_c.h
@@ -96,10 +96,12 @@ private:
     vluint64_t		m_wrChunkSize;	///< Output buffer size
     vluint64_t		m_wroteBytes;	///< Number of bytes written to this file
 
-    vluint32_t*			m_sigs_oldvalp;	///< Pointer to old signal values
-    std::vector<VerilatedVcdSig>	m_sigs;		///< Pointer to signal information
-    std::vector<VerilatedVcdCallInfo*>	m_callbacks;	///< Routines to perform dumping
-    typedef std::map<std::string,std::string>	NameMap;
+    vluint32_t*		m_sigs_oldvalp;	///< Pointer to old signal values
+    typedef std::vector<VerilatedVcdSig>  SigVec;
+    SigVec		m_sigs;		///< Pointer to signal information
+    typedef std::vector<VerilatedVcdCallInfo*>  CallbackVec;
+    CallbackVec		m_callbacks;	///< Routines to perform dumping
+    typedef std::map<std::string,std::string>  NameMap;
     NameMap*		m_namemapp;	///< List of names for the header
 
     typedef std::vector<VerilatedVcd*> VcdVec;