diff --git a/pkg/service.go b/pkg/service.go
index 46e5173..6785079 100644
--- a/pkg/service.go
+++ b/pkg/service.go
@@ -38,29 +38,6 @@ import (
 
 const defaultQueueSize = 1024
 
-// StateDiffService is the state-diffing service interface
-type StateDiffService interface {
-	// Lifecycle Start() and Stop()
-	node.Lifecycle
-	// APIs and Protocols() interface for node service registration
-	APIs() []rpc.API
-	Protocols() []p2p.Protocol
-	// Loop is the main event loop for processing state diffs
-	Loop(wg *sync.WaitGroup) error
-	// Run is a one-off command to run on a predefined set of ranges
-	Run(ranges []RangeRequest, parallel bool) error
-	// StateDiffAt method to get state diff object at specific block
-	StateDiffAt(blockNumber uint64, params sd.Params) (*sd.Payload, error)
-	// StateDiffFor method to get state diff object at specific block
-	StateDiffFor(blockHash common.Hash, params sd.Params) (*sd.Payload, error)
-	// WriteStateDiffAt method to write state diff object directly to DB
-	WriteStateDiffAt(blockNumber uint64, params sd.Params) error
-	// WriteStateDiffFor method to get state trie object at specific block
-	WriteStateDiffFor(blockHash common.Hash, params sd.Params) error
-	// WriteStateDiffsInRange method to wrtie state diff objects within the range directly to the DB
-	WriteStateDiffsInRange(start, stop uint64, params sd.Params) error
-}
-
 // Service is the underlying struct for the state diffing service
 type Service struct {
 	// Used to build the state diff objects