An error occurred while rewriting // The original class does not exist - how do we "clean" this error?

[seansan]

An error occurred while rewriting // The original class does not exist - how do we "clean" this error?

An extensioon was removed and no longer used ... how does the extension auto clean these actions?

An error occurred while rewriting "dev_stock/adminhtml_stock_movement_grid" : "The original class does not exist : "Mage_dev_stock_Block_Adminhtml_Stock_Movement_Grid"" (rewriter: "eval")
An error occurred while rewriting "dev_stock/adminhtml_stock_movement_grid" : "The original class does not exist : "Mage_dev_stock_Block_Adminhtml_Stock_Movement_Grid"" (rewriter: "file")