diff --git a/docs/runtime.md b/docs/runtime.md
index e98b3af20..7f047db2f 100644
--- a/docs/runtime.md
+++ b/docs/runtime.md
@@ -504,12 +504,6 @@ GetReferences(t Transacfion) interface{}
 ```
 Returns the references of the given transaction.
 
-#### GetUnspentCoins
-```
-GetUnspentCoins(t Transacfion) interface{} 
-```
-Returns the unspent coins of the given transaction.
-
 #### GetOutputs
 ```
 GetOutputs(t Transacfion) []output.Output 
diff --git a/pkg/compiler/syscall.go b/pkg/compiler/syscall.go
index 2459a49e6..bb6429f10 100644
--- a/pkg/compiler/syscall.go
+++ b/pkg/compiler/syscall.go
@@ -62,14 +62,13 @@ var syscalls = map[string]map[string]string{
 		"GetTransaction":      "Neo.Block.GetTransaction",
 	},
 	"transaction": {
-		"GetHash":         "Neo.Transaction.GetHash",
-		"GetType":         "Neo.Transaction.GetType",
-		"GetAttributes":   "Neo.Transaction.GetAttributes",
-		"GetInputs":       "Neo.Transaction.GetInputs",
-		"GetOutputs":      "Neo.Transaction.GetOutputs",
-		"GetReferences":   "Neo.Transaction.GetReferences",
-		"GetUnspentCoins": "Neo.Transaction.GetUnspentCoins",
-		"GetScript":       "Neo.InvocationTransaction.GetScript",
+		"GetAttributes": "Neo.Transaction.GetAttributes",
+		"GetHash":       "Neo.Transaction.GetHash",
+		"GetInputs":     "Neo.Transaction.GetInputs",
+		"GetOutputs":    "Neo.Transaction.GetOutputs",
+		"GetReferences": "Neo.Transaction.GetReferences",
+		"GetScript":     "Neo.InvocationTransaction.GetScript",
+		"GetType":       "Neo.Transaction.GetType",
 	},
 	"asset": {
 		"Create":       "Neo.Asset.Create",
diff --git a/pkg/interop/transaction/transaction.go b/pkg/interop/transaction/transaction.go
index 354fcf019..b412fe92f 100644
--- a/pkg/interop/transaction/transaction.go
+++ b/pkg/interop/transaction/transaction.go
@@ -33,12 +33,6 @@ func GetReferences(t Transaction) []interface{} {
 	return []interface{}{}
 }
 
-// GetUnspentCoins returns the unspent coins for the given transaction.
-// FIXME: What is the correct return type for this?
-func GetUnspentCoins(t Transaction) interface{} {
-	return 0
-}
-
 // GetInputs returns the inputs of the given transaction.
 func GetInputs(t Transaction) []input.Input {
 	return []input.Input{}