diff --git a/Ghidra/Debug/Debugger/src/main/java/ghidra/app/plugin/core/debug/service/emulation/DebuggerEmulationIntegration.java b/Ghidra/Debug/Debugger/src/main/java/ghidra/app/plugin/core/debug/service/emulation/DebuggerEmulationIntegration.java
index ecc2da1d92..a38f9d098e 100644
--- a/Ghidra/Debug/Debugger/src/main/java/ghidra/app/plugin/core/debug/service/emulation/DebuggerEmulationIntegration.java
+++ b/Ghidra/Debug/Debugger/src/main/java/ghidra/app/plugin/core/debug/service/emulation/DebuggerEmulationIntegration.java
@@ -132,7 +132,7 @@ public enum DebuggerEmulationIntegration {
 		@Override
 		public AddressSetView readUninitialized(PcodeTraceDataAccess acc, PcodeThread<?> thread,
 				PcodeExecutorStatePiece<byte[], byte[]> piece, AddressSetView set) {
-			AddressSetView unknown = acc.intersectUnknown(set);
+			AddressSetView unknown = set.subtract(acc.intersectViewKnown(set, false));
 			if (unknown.isEmpty()) {
 				return super.readUninitialized(acc, thread, piece, set);
 			}
@@ -148,7 +148,7 @@ public enum DebuggerEmulationIntegration {
 			}
 			if (acc instanceof PcodeDebuggerMemoryAccess memAcc) {
 				if (memAcc.isLive() && waitTimeout(memAcc.readFromTargetMemory(unknown))) {
-					unknown = memAcc.intersectUnknown(set);
+					unknown = set.subtract(memAcc.intersectViewKnown(set, false));
 					if (unknown.isEmpty()) {
 						return super.readUninitialized(acc, thread, piece, set);
 					}
diff --git a/Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/data/AbstractPcodeTraceDataAccess.java b/Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/data/AbstractPcodeTraceDataAccess.java
index 0bf9ec3fed..a0cb53020a 100644
--- a/Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/data/AbstractPcodeTraceDataAccess.java
+++ b/Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/data/AbstractPcodeTraceDataAccess.java
@@ -4,9 +4,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -162,20 +162,6 @@ public abstract class AbstractPcodeTraceDataAccess implements InternalPcodeTrace
 		return platform.mapHostToGuest(hostResult);
 	}
 
-	@Override
-	public AddressSetView intersectUnknown(AddressSetView guestView) {
-		TraceMemoryOperations ops = getMemoryOps(false);
-		if (ops == null) {
-			return guestView;
-		}
-
-		AddressSetView hostView = toOverlay(platform.mapGuestToHost(guestView));
-		AddressSetView hostKnown = ops.getAddressesWithState(snap, hostView,
-			s -> s != null && s != TraceMemoryState.UNKNOWN);
-		AddressSetView hostResult = TraceRegisterUtils.getPhysicalSet(hostView.subtract(hostKnown));
-		return platform.mapHostToGuest(hostResult);
-	}
-
 	@Override
 	public int putBytes(Address start, ByteBuffer buf) {
 		// TODO: Truncate or verify range?
diff --git a/Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/data/DefaultPcodeTraceThreadAccess.java b/Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/data/DefaultPcodeTraceThreadAccess.java
index d6eaf8bb51..19f3b1bb6b 100644
--- a/Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/data/DefaultPcodeTraceThreadAccess.java
+++ b/Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/data/DefaultPcodeTraceThreadAccess.java
@@ -4,9 +4,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -76,11 +76,6 @@ public class DefaultPcodeTraceThreadAccess
 				.union(registers.intersectViewKnown(view, useFullSpans));
 	}
 
-	@Override
-	public AddressSetView intersectUnknown(AddressSetView view) {
-		return memory.intersectUnknown(view).union(registers.intersectUnknown(view));
-	}
-
 	@Override
 	public int putBytes(Address start, ByteBuffer buf) {
 		if (start.isRegisterAddress()) {
diff --git a/Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/data/PcodeTraceDataAccess.java b/Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/data/PcodeTraceDataAccess.java
index 3d4e6d66f4..4f19953595 100644
--- a/Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/data/PcodeTraceDataAccess.java
+++ b/Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/data/PcodeTraceDataAccess.java
@@ -4,9 +4,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -73,15 +73,6 @@ public interface PcodeTraceDataAccess {
 	 */
 	AddressSetView intersectViewKnown(AddressSetView view, boolean useFullSpans);
 
-	/**
-	 * Compute the intersection of the given address set and the set of
-	 * {@link TraceMemoryState#UNKNOWN} memory
-	 * 
-	 * @param view the address set
-	 * @return the intersection
-	 */
-	AddressSetView intersectUnknown(AddressSetView view);
-
 	/**
 	 * Write bytes into the trace
 	 *