diff --git a/unmaintained/odbc/odbc.factor b/unmaintained/odbc/odbc.factor
index 91446630d6..1cf4b93055 100644
--- a/unmaintained/odbc/odbc.factor
+++ b/unmaintained/odbc/odbc.factor
@@ -9,17 +9,13 @@ IN: odbc
 
 LIBRARY: odbc
 
-TYPEDEF: void* usb_dev_handle*
 TYPEDEF: short SQLRETURN
 TYPEDEF: short SQLSMALLINT
-TYPEDEF: short* SQLSMALLINT*
 TYPEDEF: ushort SQLUSMALLINT
-TYPEDEF: uint* SQLUINTEGER*
+TYPEDEF: uint SQLUINTEGER
 TYPEDEF: int SQLINTEGER
 TYPEDEF: char SQLCHAR
-TYPEDEF: char* SQLCHAR*
 TYPEDEF: void* SQLHANDLE
-C-TYPE: SQLHANDLE
 TYPEDEF: void* SQLHENV
 TYPEDEF: void* SQLHDBC
 TYPEDEF: void* SQLHSTMT