diff --git a/src/core/displayencoder.cpp b/src/core/displayencoder.cpp
old mode 100644
new mode 100755
index 3f983fe..1b48e29
--- a/src/core/displayencoder.cpp
+++ b/src/core/displayencoder.cpp
@@ -653,6 +653,9 @@ cEncoder::cEncoder( int e, int f )
 
 cEncoder::~cEncoder() 
 {
+    sack_type::iterator itr;
+    for( itr = m_encodings.begin(); itr != m_encodings.end(); ++itr)
+        delete *itr;
 }
 
 bool cEncoder::RoundTrip() const
diff --git a/src/core/hashtable.h b/src/core/hashtable.h
old mode 100644
new mode 100755
index 7398371..d3194f1
--- a/src/core/hashtable.h
+++ b/src/core/hashtable.h
@@ -316,6 +316,7 @@ cHashTable<KEY_TYPE, VAL_TYPE, COMPARE_OP, CONVERTER>::~cHashTable()
             }
         }
     }
+    delete [] mTable;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/src/twparser/yylex.cpp b/src/twparser/yylex.cpp
old mode 100644
new mode 100755
index 7b6cee5..e5acf36
--- a/src/twparser/yylex.cpp
+++ b/src/twparser/yylex.cpp
@@ -614,10 +614,10 @@ yy_scan::~yy_scan()
 {
     if (mustfree) {
         mustfree = 0;
-        delete(yytext);
-        delete(state);
+        delete [] yytext;
+        delete [] state;
 #ifdef YY_PRESERVE
-        delete(save);
+        delete [] save;
 #endif
     }
 }
diff --git a/src/twparser/yyparse.cpp b/src/twparser/yyparse.cpp
old mode 100644
new mode 100755
index 92fc06b..1ef617a
--- a/src/twparser/yyparse.cpp
+++ b/src/twparser/yyparse.cpp
@@ -419,12 +419,12 @@ yy_parse::yy_parse(int sz)
 yy_parse::~yy_parse()
 {
     if (mustfree) {
-        delete stateStack;
-        delete valueStack;
+        delete [] stateStack;
+        delete [] valueStack;
     }
     stateStack = (short *) 0;
 #if YYDEBUG
-    delete typeStack;
+    delete [] typeStack;
 #endif
 }
 
diff --git a/src/twtest/refcountobj_t.cpp b/src/twtest/refcountobj_t.cpp
old mode 100644
new mode 100755
index 14154f0..68468c0
--- a/src/twtest/refcountobj_t.cpp
+++ b/src/twtest/refcountobj_t.cpp
@@ -66,7 +66,7 @@ cRefCountTestObj::~cRefCountTestObj()
         mChildren.pop_front();
     }
 
-    delete mpSomeMem;
+    delete [] mpSomeMem;
 }
 
 void cRefCountTestObj::AddChild(cRefCountTestObj* pChild)