diff --git a/src/Soil-Core-Tests/SoilIndexedDictionaryTest.class.st b/src/Soil-Core-Tests/SoilIndexedDictionaryTest.class.st
index 462aa254..87cd9796 100644
--- a/src/Soil-Core-Tests/SoilIndexedDictionaryTest.class.st
+++ b/src/Soil-Core-Tests/SoilIndexedDictionaryTest.class.st
@@ -265,40 +265,6 @@ SoilIndexedDictionaryTest >> testDoWithTransAction [
 	
 ]
 
-{ #category : #tests }
-SoilIndexedDictionaryTest >> testFirstAssociationWithTransaction [
-	| tx tx2 |
-	tx := soil newTransaction.
-	tx root: dict.
-	dict at: #one put: #onevalue.
-	dict at: #two put: #twovalue.
-	tx commit.
-	"open a second transaction ..."
-	tx2 := soil newTransaction.
-	"and test last"
-	self assert: tx2 root firstAssociation value equals: #onevalue.
-
-]
-
-{ #category : #tests }
-SoilIndexedDictionaryTest >> testFirstAssociationWithTransactionRemoved [
-	| tx tx1 tx2 |
-	tx := soil newTransaction.
-	tx root: dict.
-	dict at: #one put: #onevalue.
-	dict at: #two put: #twovalue.
-	tx commit.
-	
-	"open a two transactions ..."
-	tx1 := soil newTransaction.
-	tx2 := soil newTransaction.
-	tx2 root removeKey: #one.
-	tx2 commit.
-	"in tx1 the removed one is not removed"
-	self assert: tx1 root firstAssociation value equals: #onevalue.
-
-]
-
 { #category : #tests }
 SoilIndexedDictionaryTest >> testFirstWithTransaction [
 	| tx tx2 |
@@ -419,40 +385,6 @@ SoilIndexedDictionaryTest >> testIsEmpty [
 	self deny: tx1 root isEmpty.
 ]
 
-{ #category : #tests }
-SoilIndexedDictionaryTest >> testLastAssociationWithTransaction [
-	| tx tx2 |
-	tx := soil newTransaction.
-	tx root: dict.
-	dict at: #two put: #twovalue.
-	dict at: #one put: #onevalue.
-	
-	tx commit.
-	"open a second transaction ..."
-	tx2 := soil newTransaction.
-	"and test last, not: key order"
-	self assert: tx2 root lastAssociation value equals: #twovalue
-]
-
-{ #category : #tests }
-SoilIndexedDictionaryTest >> testLastAssociationWithTransactionRemoved [
-	| tx tx1 tx2 |
-	tx := soil newTransaction.
-	tx root: dict.
-	dict at: #one put: #onevalue.
-	dict at: #two put: #twovalue.
-	tx commit.
-	
-	"open a two transactions ..."
-	tx1 := soil newTransaction.
-	tx2 := soil newTransaction.
-	tx2 root removeKey: #two.
-	tx2 commit.
-	"in tx1 the removed one is not removed"
-	self assert: tx1 root lastAssociation value equals: #twovalue.
-
-]
-
 { #category : #tests }
 SoilIndexedDictionaryTest >> testLastWithTransaction [
 	| tx tx2 |
@@ -518,20 +450,6 @@ SoilIndexedDictionaryTest >> testNextAfterWithTransaction [
 	self assert: (tx2 root nextAfter: #one) value equals: #twovalue
 ]
 
-{ #category : #tests }
-SoilIndexedDictionaryTest >> testNextAssociationAfterWithTransaction [
-	| tx tx2 |
-	tx := soil newTransaction.
-	tx root: dict.
-	dict at: #one put: #onevalue.
-	dict at: #two put: #twovalue.
-	tx commit.
-	"open a second transaction ..."
-	tx2 := soil newTransaction.
-	"and test last"
-	self assert: (tx2 root nextAssociationAfter: #one) value equals: #twovalue
-]
-
 { #category : #tests }
 SoilIndexedDictionaryTest >> testNextKeyCloseToWithTransaction [
 	| tx tx2 |
diff --git a/src/Soil-Core/SoilIndexIterator.class.st b/src/Soil-Core/SoilIndexIterator.class.st
index 309b5796..9e471260 100644
--- a/src/Soil-Core/SoilIndexIterator.class.st
+++ b/src/Soil-Core/SoilIndexIterator.class.st
@@ -266,6 +266,11 @@ SoilIndexIterator >> next: anInteger [
 	^ result
 ]
 
+{ #category : #accessing }
+SoilIndexIterator >> nextAfter: key [
+	^ (self nextAssociationAfter: key) value
+]
+
 { #category : #accessing }
 SoilIndexIterator >> nextAssociation [
 	"Note: key will be binary key"
diff --git a/src/Soil-Core/SoilIndexedDictionary.class.st b/src/Soil-Core/SoilIndexedDictionary.class.st
index 3b7ad609..1e9ce5ea 100644
--- a/src/Soil-Core/SoilIndexedDictionary.class.st
+++ b/src/Soil-Core/SoilIndexedDictionary.class.st
@@ -92,13 +92,6 @@ SoilIndexedDictionary >> first: anInteger [
 		  self proxyFromByteArray: each ]
 ]
 
-{ #category : #accessing }
-SoilIndexedDictionary >> firstAssociation [
-	"Note: key will be binary key"
-	^ self newIterator firstAssociation ifNotNil: [ :assoc |
-			assoc key -> (transaction objectWithId: assoc value asSoilObjectId) ]
-]
-
 { #category : #testing }
 SoilIndexedDictionary >> hasIndexUpdates [
 	self isRegistered ifFalse: [ ^ true ].
@@ -146,14 +139,6 @@ SoilIndexedDictionary >> last [
 	
 ]
 
-{ #category : #accessing }
-SoilIndexedDictionary >> lastAssociation [
-	"Note: key will be binary key"
-	^ self newIterator lastAssociation ifNotNil: [ :assoc |
-				 assoc key -> (transaction objectWithId: assoc value asSoilObjectId) ] 
-
-]
-
 { #category : #private }
 SoilIndexedDictionary >> loadFrom: aFileReference [ 
 	^ SoilSkipList new 
@@ -177,16 +162,7 @@ SoilIndexedDictionary >> newIterator [
 
 { #category : #accessing }
 SoilIndexedDictionary >> nextAfter: key [  
-	^ (self nextAssociationAfter: key) value  
-
-]
-
-{ #category : #accessing }
-SoilIndexedDictionary >> nextAssociationAfter: key [  
-	"Note: key will be binary key"
-	^ (self newIterator nextAssociationAfter: key)
-		ifNotNil: [ :assoc |
-			assoc key -> (transaction objectWithId: assoc value asSoilObjectId) ]
+	^  self proxyFromByteArray: (self newIterator nextAfter: key) value
 ]
 
 { #category : #private }