diff --git a/src/interfaces/odbc/bind.c b/src/interfaces/odbc/bind.c
index 0c3970977a..6ec25f80d6 100644
--- a/src/interfaces/odbc/bind.c
+++ b/src/interfaces/odbc/bind.c
@@ -23,7 +23,6 @@
 #include "qresult.h"
 #include "pgtypes.h"
 #include <stdlib.h>
-#include <malloc.h>
 #include <string.h>
 
 #ifndef WIN32
diff --git a/src/interfaces/odbc/columninfo.c b/src/interfaces/odbc/columninfo.c
index ba2e4acd78..fa56824011 100644
--- a/src/interfaces/odbc/columninfo.c
+++ b/src/interfaces/odbc/columninfo.c
@@ -16,7 +16,6 @@
 #include "connection.h"
 #include "socket.h"
 #include <stdlib.h>
-#include <malloc.h>
 #include <string.h>
 
 ColumnInfoClass *
diff --git a/src/interfaces/odbc/environ.c b/src/interfaces/odbc/environ.c
index 0b95291881..080a8026d5 100644
--- a/src/interfaces/odbc/environ.c
+++ b/src/interfaces/odbc/environ.c
@@ -17,7 +17,6 @@
 #include "connection.h"
 #include "statement.h"
 #include <stdlib.h>
-#include <malloc.h>
 #include <string.h>
 
 /* The one instance of the handles */
diff --git a/src/interfaces/odbc/tuplelist.c b/src/interfaces/odbc/tuplelist.c
index 7b2747450e..31acb9c9c9 100644
--- a/src/interfaces/odbc/tuplelist.c
+++ b/src/interfaces/odbc/tuplelist.c
@@ -13,7 +13,6 @@
  */
 
 #include <stdlib.h>
-#include <malloc.h>
 #include "tuplelist.h"
 #include "tuple.h"