diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/AboutToReturnNode.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/AboutToReturnNode.java
index 4efa8d59f..222fe1a36 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/AboutToReturnNode.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/AboutToReturnNode.java
@@ -10,6 +10,7 @@
 import com.oracle.truffle.api.dsl.ImportStatic;
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.frame.VirtualFrame;
+import com.oracle.truffle.api.nodes.DenyReplace;
 import com.oracle.truffle.api.nodes.Node;
 import com.oracle.truffle.api.profiles.ValueProfile;
 
@@ -78,6 +79,7 @@ protected static final void doAboutToReturn(final VirtualFrame frame, final NonL
         }
     }
 
+    @DenyReplace
     private static final class AboutToReturnNoopNode extends AboutToReturnNode {
         private static final AboutToReturnNoopNode SINGLETON = new AboutToReturnNoopNode();
 
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/HandlePrimitiveFailedNode.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/HandlePrimitiveFailedNode.java
index 4139c52c7..1c19db08b 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/HandlePrimitiveFailedNode.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/HandlePrimitiveFailedNode.java
@@ -10,6 +10,7 @@
 import com.oracle.truffle.api.dsl.Cached.Shared;
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.frame.VirtualFrame;
+import com.oracle.truffle.api.nodes.DenyReplace;
 import com.oracle.truffle.api.nodes.Node;
 import com.oracle.truffle.api.nodes.NodeCost;
 import com.oracle.truffle.api.nodes.NodeInfo;
@@ -53,6 +54,7 @@ protected static final void doHandleRawValue(final VirtualFrame frame, final int
         }
     }
 
+    @DenyReplace
     @NodeInfo(cost = NodeCost.NONE)
     private static final class HandlePrimitiveFailedNoopNode extends HandlePrimitiveFailedNode {
         private static final HandlePrimitiveFailedNoopNode SINGLETON = new HandlePrimitiveFailedNoopNode();
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/context/frame/FrameStackReadNode.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/context/frame/FrameStackReadNode.java
index 2ca3d4d79..259af4a88 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/context/frame/FrameStackReadNode.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/context/frame/FrameStackReadNode.java
@@ -16,6 +16,7 @@
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.frame.Frame;
 import com.oracle.truffle.api.frame.FrameSlotKind;
+import com.oracle.truffle.api.nodes.DenyReplace;
 import com.oracle.truffle.api.nodes.Node;
 
 import de.hpi.swa.trufflesqueak.model.BlockClosureObject;
@@ -145,6 +146,7 @@ protected final Object readAndClearObject(final Frame frame) {
         }
     }
 
+    @DenyReplace
     private static final class FrameArgumentReadNode extends FrameStackReadNode {
         private static final EconomicMap<Integer, FrameArgumentReadNode> SINGLETONS = EconomicMap.create();
 
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/context/frame/FrameStackWriteNode.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/context/frame/FrameStackWriteNode.java
index 7f50a9631..0e0a398ad 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/context/frame/FrameStackWriteNode.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/context/frame/FrameStackWriteNode.java
@@ -14,6 +14,7 @@
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.frame.Frame;
 import com.oracle.truffle.api.frame.FrameSlotKind;
+import com.oracle.truffle.api.nodes.DenyReplace;
 import com.oracle.truffle.api.nodes.Node;
 
 import de.hpi.swa.trufflesqueak.nodes.AbstractNode;
@@ -87,6 +88,7 @@ protected final boolean isDoubleOrIllegal(final Frame frame) {
         }
     }
 
+    @DenyReplace
     private static final class FrameArgumentWriteNode extends FrameStackWriteNode {
         private static final EconomicMap<Integer, FrameArgumentWriteNode> SINGLETONS = EconomicMap.create();
 
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/interrupts/CheckForInterruptsQuickNode.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/interrupts/CheckForInterruptsQuickNode.java
index d70bda417..466a20cde 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/interrupts/CheckForInterruptsQuickNode.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/interrupts/CheckForInterruptsQuickNode.java
@@ -8,6 +8,7 @@
 
 import com.oracle.truffle.api.CompilerDirectives;
 import com.oracle.truffle.api.frame.VirtualFrame;
+import com.oracle.truffle.api.nodes.DenyReplace;
 import com.oracle.truffle.api.nodes.Node;
 
 import de.hpi.swa.trufflesqueak.image.SqueakImageContext;
@@ -39,6 +40,7 @@ public static CheckForInterruptsQuickNode create(final CompiledCodeObject code)
 
     public abstract void execute(VirtualFrame frame);
 
+    @DenyReplace
     private static final class NoCheckForInterruptsNode extends CheckForInterruptsQuickNode {
         private static final NoCheckForInterruptsNode SINGLETON = new NoCheckForInterruptsNode();
 
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/NullPlugin.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/NullPlugin.java
index ef992f97c..971adf5ac 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/NullPlugin.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/NullPlugin.java
@@ -15,6 +15,7 @@
 import com.oracle.truffle.api.dsl.GenerateNodeFactory;
 import com.oracle.truffle.api.dsl.NodeFactory;
 import com.oracle.truffle.api.dsl.Specialization;
+import com.oracle.truffle.api.nodes.DenyReplace;
 
 import de.hpi.swa.trufflesqueak.image.SqueakImageConstants;
 import de.hpi.swa.trufflesqueak.model.ArrayObject;
@@ -31,6 +32,7 @@
 import de.hpi.swa.trufflesqueak.util.MiscUtils;
 
 public final class NullPlugin extends AbstractPrimitiveFactoryHolder {
+    @DenyReplace
     @SqueakPrimitive(names = "primitiveScreenScaleFactor")
     public static final class PrimScreenScaleFactorNode extends AbstractSingletonPrimitiveNode {
         @Override
@@ -39,6 +41,7 @@ public Object execute() {
         }
     }
 
+    @DenyReplace
     @SqueakPrimitive(names = "primitiveHighResClock")
     public static final class PrimHighResClockNode extends AbstractSingletonPrimitiveNode {
         @Override
@@ -47,6 +50,7 @@ public Object execute() {
         }
     }
 
+    @DenyReplace
     @SqueakPrimitive(names = "primitiveMultipleBytecodeSetsActive")
     public static final class PrimMultipleBytecodeSetsActive0Node extends AbstractSingletonPrimitiveNode {
         @Override
@@ -66,6 +70,7 @@ protected final boolean doSet(@SuppressWarnings("unused") final Object receiver,
         }
     }
 
+    @DenyReplace
     @SqueakPrimitive(names = "primitiveUtcWithOffset")
     public static final class PrimUtcWithOffset1Node extends AbstractSingletonPrimitiveNode {
         @Override
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/SecurityPlugin.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/SecurityPlugin.java
index 7eb42a5f3..acce0be5f 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/SecurityPlugin.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/SecurityPlugin.java
@@ -12,6 +12,7 @@
 import com.oracle.truffle.api.dsl.GenerateNodeFactory;
 import com.oracle.truffle.api.dsl.NodeFactory;
 import com.oracle.truffle.api.dsl.Specialization;
+import com.oracle.truffle.api.nodes.DenyReplace;
 
 import de.hpi.swa.trufflesqueak.exceptions.PrimitiveExceptions.PrimitiveFailed;
 import de.hpi.swa.trufflesqueak.model.BooleanObject;
@@ -21,6 +22,8 @@
 import de.hpi.swa.trufflesqueak.nodes.primitives.SqueakPrimitive;
 
 public final class SecurityPlugin extends AbstractPrimitiveFactoryHolder {
+
+    @DenyReplace
     @SqueakPrimitive(names = "primitiveCanWriteImage")
     public static final class PrimCanWriteImageNode extends AbstractSingletonPrimitiveNode {
         @Override
@@ -47,6 +50,7 @@ protected static final Object doGet(@SuppressWarnings("unused") final Object rec
         }
     }
 
+    @DenyReplace
     @SqueakPrimitive(names = "primitiveGetUntrustedUserDirectory")
     public static final class PrimGetUntrustedUserDirectoryNode extends AbstractSingletonPrimitiveNode {
         @Override
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/ControlPrimitives.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/ControlPrimitives.java
index 429a0e41f..d10d5d49b 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/ControlPrimitives.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/ControlPrimitives.java
@@ -30,6 +30,7 @@
 import com.oracle.truffle.api.dsl.NodeFactory;
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.frame.VirtualFrame;
+import com.oracle.truffle.api.nodes.DenyReplace;
 import com.oracle.truffle.api.nodes.NodeCost;
 import com.oracle.truffle.api.nodes.NodeInfo;
 
@@ -572,6 +573,7 @@ protected static final ClassObject doClass(@SuppressWarnings("unused") final Obj
         }
     }
 
+    @DenyReplace
     @SqueakPrimitive(indices = 112)
     public static final class PrimBytesLeftNode extends AbstractSingletonPrimitiveNode {
         @Override
@@ -787,6 +789,7 @@ private static boolean hasPendingFinalizationsWithLogging(final SqueakImageConte
         }
     }
 
+    @DenyReplace
     @SqueakPrimitive(indices = 131)
     public static final class PrimIncrementalGCNode extends AbstractSingletonPrimitiveNode {
         @Override
@@ -1186,6 +1189,7 @@ protected static final Object returnValue(final Object receiver) {
         }
     }
 
+    @DenyReplace
     @NodeInfo(cost = NodeCost.NONE)
     @SqueakPrimitive(indices = 257)
     public static final class PrimQuickReturnTrueNode extends AbstractSingletonPrimitiveNode {
@@ -1195,6 +1199,7 @@ public Object execute() {
         }
     }
 
+    @DenyReplace
     @NodeInfo(cost = NodeCost.NONE)
     @SqueakPrimitive(indices = 258)
     public static final class PrimQuickReturnFalseNode extends AbstractSingletonPrimitiveNode {
@@ -1204,6 +1209,7 @@ public Object execute() {
         }
     }
 
+    @DenyReplace
     @NodeInfo(cost = NodeCost.NONE)
     @SqueakPrimitive(indices = 259)
     public static final class PrimQuickReturnNilNode extends AbstractSingletonPrimitiveNode {
@@ -1213,6 +1219,7 @@ public Object execute() {
         }
     }
 
+    @DenyReplace
     @NodeInfo(cost = NodeCost.NONE)
     @SqueakPrimitive(indices = 260)
     public static final class PrimQuickReturnMinusOneNode extends AbstractSingletonPrimitiveNode {
@@ -1222,6 +1229,7 @@ public Object execute() {
         }
     }
 
+    @DenyReplace
     @NodeInfo(cost = NodeCost.NONE)
     @SqueakPrimitive(indices = 261)
     public static final class PrimQuickReturnZeroNode extends AbstractSingletonPrimitiveNode {
@@ -1231,6 +1239,7 @@ public Object execute() {
         }
     }
 
+    @DenyReplace
     @NodeInfo(cost = NodeCost.NONE)
     @SqueakPrimitive(indices = 262)
     public static final class PrimQuickReturnOneNode extends AbstractSingletonPrimitiveNode {
@@ -1240,6 +1249,7 @@ public Object execute() {
         }
     }
 
+    @DenyReplace
     @NodeInfo(cost = NodeCost.NONE)
     @SqueakPrimitive(indices = 263)
     public static final class PrimQuickReturnTwoNode extends AbstractSingletonPrimitiveNode {
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/IOPrimitives.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/IOPrimitives.java
index 449758384..2891ea5bb 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/IOPrimitives.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/IOPrimitives.java
@@ -18,6 +18,7 @@
 import com.oracle.truffle.api.dsl.NodeFactory;
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.frame.VirtualFrame;
+import com.oracle.truffle.api.nodes.DenyReplace;
 import com.oracle.truffle.api.nodes.NodeCost;
 import com.oracle.truffle.api.nodes.NodeInfo;
 import com.oracle.truffle.api.profiles.BranchProfile;
@@ -789,6 +790,7 @@ protected static final void doFail(final WeakVariablePointersObject rcvr, final
         }
     }
 
+    @DenyReplace
     @SqueakPrimitive(indices = 106)
     public static final class PrimScreenSizeNode extends AbstractSingletonPrimitiveNode {
         @Child AbstractPointersObjectWriteNode writeNode = AbstractPointersObjectWriteNode.create();
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/MiscellaneousPrimitives.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/MiscellaneousPrimitives.java
index 07b9454ad..0024673c4 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/MiscellaneousPrimitives.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/MiscellaneousPrimitives.java
@@ -20,6 +20,7 @@
 import com.oracle.truffle.api.dsl.NodeFactory;
 import com.oracle.truffle.api.dsl.ReportPolymorphism;
 import com.oracle.truffle.api.dsl.Specialization;
+import com.oracle.truffle.api.nodes.DenyReplace;
 import com.oracle.truffle.api.nodes.NodeCost;
 import com.oracle.truffle.api.nodes.NodeInfo;
 import com.oracle.truffle.api.profiles.ConditionProfile;
@@ -465,6 +466,7 @@ protected final Object doSignal(final Object receiver, final NilObject semaphore
         }
     }
 
+    @DenyReplace
     @SqueakPrimitive(indices = 137)
     public static final class PrimSecondClockNode extends AbstractSingletonPrimitiveNode {
         @Override
@@ -502,6 +504,7 @@ protected final NativeObject setClipboardText(@SuppressWarnings("unused") final
         }
     }
 
+    @DenyReplace
     @SqueakPrimitive(indices = 142)
     public static final class PrimVMPathNode extends AbstractSingletonPrimitiveNode {
         @Override
@@ -717,6 +720,7 @@ protected static final AbstractSqueakObject doCopy(final AbstractSqueakObjectWit
         }
     }
 
+    @DenyReplace
     @NodeInfo(cost = NodeCost.NONE)
     @SqueakPrimitive(indices = 176)
     public static final class PrimMaxIdentityHashNode extends AbstractSingletonPrimitiveNode {
@@ -748,6 +752,7 @@ protected final ArrayObject allInstances(final ClassObject classObject,
         }
     }
 
+    @DenyReplace
     @SqueakPrimitive(indices = 240)
     public static final class PrimUTCClockNode extends AbstractSingletonPrimitiveNode {
         @Override
@@ -756,6 +761,7 @@ public Object execute() {
         }
     }
 
+    @DenyReplace
     @SqueakPrimitive(indices = 241)
     public static final class PrimLocalMicrosecondsClockNode extends AbstractSingletonPrimitiveNode {
         @Override
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/StoragePrimitives.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/StoragePrimitives.java
index 34371741d..8d17f5405 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/StoragePrimitives.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/primitives/impl/StoragePrimitives.java
@@ -21,6 +21,7 @@
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.frame.Frame;
 import com.oracle.truffle.api.frame.FrameInstance;
+import com.oracle.truffle.api.nodes.DenyReplace;
 import com.oracle.truffle.api.nodes.NodeCost;
 import com.oracle.truffle.api.nodes.NodeInfo;
 import com.oracle.truffle.api.profiles.BranchProfile;
@@ -412,6 +413,7 @@ protected static final ArrayObject doBadArgument(final ArrayObject receiver, fin
         }
     }
 
+    @DenyReplace
     @NodeInfo(cost = NodeCost.NONE)
     @SqueakPrimitive(indices = 129)
     public static final class PrimSpecialObjectsArrayNode extends AbstractSingletonPrimitiveNode {
@@ -421,6 +423,7 @@ public Object execute() {
         }
     }
 
+    @DenyReplace
     @NodeInfo(cost = NodeCost.NONE)
     @SqueakPrimitive(indices = 138)
     public static final class PrimSomeObjectNode extends AbstractSingletonPrimitiveNode {