diff --git a/src/Cormas-Core/CMAbstractModel.class.st b/src/Cormas-Core/CMAbstractModel.class.st
index 90d7a691..2c8e4ce4 100644
--- a/src/Cormas-Core/CMAbstractModel.class.st
+++ b/src/Cormas-Core/CMAbstractModel.class.st
@@ -243,22 +243,6 @@ CMAbstractModel >> allTheSituatedEntities [
 	^ self allTheEntities select: #isSituated
 ]
 
-{ #category : 'accessing - entities' }
-CMAbstractModel >> allTheSituatedEntities: aClass [
-	"Purpose: Returns a collection of all the situated instances of aClass (and sub classes) collected by cormasModel. Usefull for abstract classes
-Example: (self allTheSituatedEntities: Forager) is returning all the instances of restrained and unrestrained foragers that are situated on the space"
-	
-	| coll |
-	coll := OrderedCollection new.
-	aClass withAllSubclasses
-		do:
-			[:cl | 
-			cl isAbstract
-				ifFalse:
-					[coll addAll: ((self entitiesOfClass: cl) select: [:e | e isSituated])]].
-	^coll
-]
-
 { #category : 'control' }
 CMAbstractModel >> ask: aCollectionOrClass toDo: aBlock [
 	"Purpose: To ask a collection of instances or all the instances of a class to execute a method named by aSymbol. In case aCollecOrClass is a 	class, the entities are ordered according to their id. In case aCollecOrClass is a collection of instances, the order of the collection is 	kept.
diff --git a/src/Cormas-Core/CMSpaceModel.class.st b/src/Cormas-Core/CMSpaceModel.class.st
index dde173a7..eef076bb 100644
--- a/src/Cormas-Core/CMSpaceModel.class.st
+++ b/src/Cormas-Core/CMSpaceModel.class.st
@@ -65,24 +65,6 @@ CMSpaceModel class >> forModel: aCormasModel [
 		yourself
 ]
 
-{ #category : 'accessing' }
-CMSpaceModel >> allOccupants [
-	" Answer a <Collection> of all the located entities"
-
-	^ self cormasModel allTheEntities select: #isSituated
-]
-
-{ #category : 'accessing' }
-CMSpaceModel >> allTheEntities: aClass [
-	^ self cormasModel allTheEntities: aClass
-]
-
-{ #category : 'accessing' }
-CMSpaceModel >> allTheSituatedEntities: aClass [
-	
-	^self cormasModel allTheSituatedEntities: aClass
-]
-
 { #category : 'ESE (regular) - special locations' }
 CMSpaceModel >> cellAt: aRowIndex at: aColumnIndex [
 	
diff --git a/src/Cormas-Core/CMSpatialEntity.class.st b/src/Cormas-Core/CMSpatialEntity.class.st
index 6a79507a..58d6aab3 100644
--- a/src/Cormas-Core/CMSpatialEntity.class.st
+++ b/src/Cormas-Core/CMSpatialEntity.class.st
@@ -126,13 +126,7 @@ ex: collResult =
 { #category : 'environment - sensing - agents' }
 CMSpatialEntity >> allOccupants [
 
-	"Purpose: returns all the entities located there
-Return value: <Collection(AgentLocation & ObjectLocation)>"
-
-	| collec |
-	collec := OrderedCollection new.
-	self theOccupants valuesDo: [ :v | collec addAll: v ].
-	^ collec
+	^ self theOccupants values flattened
 ]
 
 { #category : 'testing' }
@@ -261,12 +255,7 @@ Example: self hasOccupantType: #Tree"
 { #category : 'initialize-release' }
 CMSpatialEntity >> initOccupants [
 	
-	self allOccupants do: [:a | a leave]	"self spaceModel cormasModel class occupantClasses isEmpty 
-		ifFalse: 
-			[self allOccupants do: [:a | a leave].
-			theOccupants := Dictionary new.
-			self spaceModel cormasModel class occupantClasses 
-				do: [:e | theOccupants at: (e name) put: OrderedCollection new]]"
+	self allOccupants do: [:a | a leave]
 ]
 
 { #category : 'initialization' }
diff --git a/src/Cormas-Tests/CMSpaceModelTest.class.st b/src/Cormas-Tests/CMSpaceModelTest.class.st
index a78c7b35..c9c01861 100644
--- a/src/Cormas-Tests/CMSpaceModelTest.class.st
+++ b/src/Cormas-Tests/CMSpaceModelTest.class.st
@@ -53,13 +53,6 @@ CMSpaceModelTest >> spaceModel: anObject [
 	spaceModel := anObject
 ]
 
-{ #category : 'tests' }
-CMSpaceModelTest >> testAllOccupants [
-
-	self assert: self spaceModel allOccupants size equals: 2.
-
-]
-
 { #category : 'tests' }
 CMSpaceModelTest >> testCellAtAt [
 
diff --git a/src/Cormas-Tests/CMSpatialEntityTest.class.st b/src/Cormas-Tests/CMSpatialEntityTest.class.st
index 1ef3ba76..510df3cc 100644
--- a/src/Cormas-Tests/CMSpatialEntityTest.class.st
+++ b/src/Cormas-Tests/CMSpatialEntityTest.class.st
@@ -48,7 +48,7 @@ CMSpatialEntityTest >> testAllOccupants [
 
 	self
 		assert: cellWithTwoAgentsOfDifferentClasses allOccupants
-		equals: { cowJudy . goatBob } asOrderedCollection
+		equals: { cowJudy . goatBob }
 ]
 
 { #category : 'tests' }