Index: System.Data.SQLite/SQLite3.cs
==================================================================
--- System.Data.SQLite/SQLite3.cs
+++ System.Data.SQLite/SQLite3.cs
@@ -267,11 +267,18 @@
     /// Attempts to interrupt the query currently executing on the associated
     /// native database connection.
     /// </summary>
     internal override void Cancel()
     {
-      UnsafeNativeMethods.sqlite3_interrupt(_sql);
+      try
+      {
+        // do nothing.
+      }
+      finally /* NOTE: Thread.Abort() protection. */
+      {
+        UnsafeNativeMethods.sqlite3_interrupt(_sql);
+      }
     }
 
     /// <summary>
     /// This function binds a user-defined function to the connection.
     /// </summary>
@@ -799,11 +806,18 @@
       uint starttick = (uint)Environment.TickCount;
       uint timeout = (uint)(stmt._command._commandTimeout * 1000);
 
       while (true)
       {
-        n = UnsafeNativeMethods.sqlite3_step(stmt._sqlite_stmt);
+        try
+        {
+            // do nothing.
+        }
+        finally /* NOTE: Thread.Abort() protection. */
+        {
+          n = UnsafeNativeMethods.sqlite3_step(stmt._sqlite_stmt);
+        }
 
         if (n == SQLiteErrorCode.Row) return true;
         if (n == SQLiteErrorCode.Done) return false;
 
         if (n != SQLiteErrorCode.Ok)

Index: System.Data.SQLite/UnsafeNativeMethods.cs
==================================================================
--- System.Data.SQLite/UnsafeNativeMethods.cs
+++ System.Data.SQLite/UnsafeNativeMethods.cs
@@ -1588,13 +1588,10 @@
     internal static extern SQLiteErrorCode sqlite3_cursor_rowid_interop(IntPtr stmt, int cursor, ref long rowid);
 
     [DllImport(SQLITE_DLL)]
     internal static extern SQLiteErrorCode sqlite3_index_column_info_interop(IntPtr db, byte[] catalog, byte[] IndexName, byte[] ColumnName, ref int sortOrder, ref int onError, ref IntPtr Collation, ref int colllen);
 
-    [DllImport(SQLITE_DLL)]
-    internal static extern void sqlite3_resetall_interop(IntPtr db);
-
     [DllImport(SQLITE_DLL)]
     internal static extern int sqlite3_table_cursor_interop(IntPtr stmt, int db, int tableRootPage);
 
 #endif
 // !SQLITE_STANDARD