diff --git a/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/fastr/memprof/FastRprofmem.java b/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/fastr/memprof/FastRprofmem.java
index 4023e75743f2f89ed59332251971523e2c43434d..802b049011e4aa701e472058bccfd5a4b60ffa30 100644
--- a/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/fastr/memprof/FastRprofmem.java
+++ b/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/fastr/memprof/FastRprofmem.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,13 +32,9 @@ import static com.oracle.truffle.r.runtime.builtins.RBuiltinKind.PRIMITIVE;
 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.interop.TruffleObject;
-import com.oracle.truffle.r.runtime.instrument.memprof.MemAllocProfilerInstrument;
-import com.oracle.truffle.api.vm.PolyglotEngine;
-import com.oracle.truffle.api.vm.PolyglotRuntime.Instrument;
 import com.oracle.truffle.r.nodes.builtin.RBuiltinNode;
-import com.oracle.truffle.r.runtime.RError;
+import com.oracle.truffle.r.runtime.RError.Message;
 import com.oracle.truffle.r.runtime.builtins.RBuiltin;
-import com.oracle.truffle.r.runtime.context.RContext;
 import com.oracle.truffle.r.runtime.data.RNull;
 
 @RBuiltin(name = ".fastr.profmem", visibility = OFF, kind = PRIMITIVE, parameterNames = {"on"}, behavior = IO)
@@ -62,33 +58,8 @@ public abstract class FastRprofmem extends RBuiltinNode.Arg1 {
 
     @Specialization
     @TruffleBoundary
-    public Object doProfMem(boolean on) {
-        PolyglotEngine vm = RContext.getInstance().getVM();
-        if (vm != null) {
-            Instrument profilerInstr = vm.getRuntime().getInstruments().get(MemAllocProfilerInstrument.ID);
-            if (profilerInstr != null && profilerInstr.isEnabled() != on) {
-                profilerInstr.setEnabled(on);
-            }
-        } else {
-            throw error(RError.Message.GENERIC, "No context VM found");
-        }
-        return RNull.instance;
-    }
-
-    static MemAllocProfilerPrinter getProfilerPrinter() {
-        PolyglotEngine vm = RContext.getInstance().getVM();
-        MemAllocProfilerPrinter profPrinter = null;
-        if (vm != null) {
-            Instrument profilerInstr = vm.getRuntime().getInstruments().get(MemAllocProfilerInstrument.ID);
-            if (profilerInstr != null && profilerInstr.isEnabled()) {
-                profPrinter = profilerInstr.lookup(MemAllocProfilerPrinter.class);
-            }
-        }
-
-        if (profPrinter == null) {
-            profPrinter = new MemAllocProfilerPrinter(System.out);
-        }
-
-        return profPrinter;
+    public Object doProfMem(@SuppressWarnings("unused") boolean on) {
+        // TODO: port to new instrumentation API, original code can be found in git history
+        throw error(Message.GENERIC, ".fastr.profmem is not available.");
     }
 }
diff --git a/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/fastr/memprof/FastRprofmemShow.java b/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/fastr/memprof/FastRprofmemShow.java
index b85dfe90a71c3f4139f114e8e635e2e814b22cbf..9179838da5c2224a0844e393344184772dbe981c 100644
--- a/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/fastr/memprof/FastRprofmemShow.java
+++ b/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/fastr/memprof/FastRprofmemShow.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,6 +35,7 @@ import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.interop.TruffleObject;
 import com.oracle.truffle.r.nodes.builtin.RBuiltinNode;
+import com.oracle.truffle.r.runtime.RError.Message;
 import com.oracle.truffle.r.runtime.RRuntime;
 import com.oracle.truffle.r.runtime.builtins.RBuiltin;
 import com.oracle.truffle.r.runtime.data.RNull;
@@ -59,27 +60,16 @@ public abstract class FastRprofmemShow extends RBuiltinNode.Arg6 {
     }
 
     @Specialization
+    @SuppressWarnings("unused")
     public Object doProfMem(int levels, boolean desc, @SuppressWarnings("unused") RNull n, boolean printParents, String view, TruffleObject snapshot) {
-        return show(levels, desc, null, printParents, view, snapshot);
+        // TODO: port to new instrumentation API, original code can be found in git history
+        throw error(Message.GENERIC, ".fastr.profmem.show is not available.");
     }
 
     @Specialization
+    @SuppressWarnings("unused")
     public Object doProfMem(int levels, boolean desc, int entryId, boolean printParents, String view, TruffleObject snapshot) {
-        return show(levels, desc, entryId, printParents, view, snapshot);
-    }
-
-    @TruffleBoundary
-    private static Object show(int levels, boolean desc, Integer entryId, boolean printParents, String view, TruffleObject snapshotTO) {
-        MemAllocProfilerPaths snapshot = MemAllocProfilerPaths.fromTruffleObject(snapshotTO);
-        return show(levels, desc, entryId, printParents, view, snapshot);
-    }
-
-    private static Object show(int levels, boolean desc, Integer entryId, boolean printParents, String view, MemAllocProfilerPaths snapshot) {
-        MemAllocProfilerPaths usedSnapshot = snapshot;
-        if (FastRprofmem.HOTSPOTS_VIEW.equals(view)) {
-            usedSnapshot = usedSnapshot.toHS();
-        }
-        FastRprofmem.getProfilerPrinter().show(usedSnapshot, entryId, levels, desc, printParents);
-        return RNull.instance;
+        // TODO: port to new instrumentation API, original code can be found in git history
+        throw error(Message.GENERIC, ".fastr.profmem.show is not available.");
     }
 }
diff --git a/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/fastr/memprof/FastRprofmemSource.java b/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/fastr/memprof/FastRprofmemSource.java
index 3c008c7eec1fbbdd89b1461b122cc9b5779c4654..5e3eac7f322bee7d3c639aea2071363f519d7639 100644
--- a/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/fastr/memprof/FastRprofmemSource.java
+++ b/com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/fastr/memprof/FastRprofmemSource.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,6 +33,7 @@ import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.interop.TruffleObject;
 import com.oracle.truffle.r.nodes.builtin.RBuiltinNode;
+import com.oracle.truffle.r.runtime.RError.Message;
 import com.oracle.truffle.r.runtime.RRuntime;
 import com.oracle.truffle.r.runtime.builtins.RBuiltin;
 import com.oracle.truffle.r.runtime.data.RNull;
@@ -55,19 +56,9 @@ public abstract class FastRprofmemSource extends RBuiltinNode.Arg3 {
 
     @Specialization
     @TruffleBoundary
+    @SuppressWarnings("unused")
     public Object showSource(int entryId, String view, TruffleObject snapshotTO) {
-        MemAllocProfilerPaths paths = MemAllocProfilerPaths.fromTruffleObject(snapshotTO);
-        return showSource(entryId, view, paths);
-    }
-
-    private static Object showSource(int entryId, String view, MemAllocProfilerPaths snap) {
-        MemAllocProfilerPaths snapshot = snap;
-        if (FastRprofmem.HOTSPOTS_VIEW.equals(view)) {
-            snapshot = snapshot.toHS();
-        }
-
-        FastRprofmem.getProfilerPrinter().source(snapshot, entryId);
-
-        return RNull.instance;
+        // TODO: port to new instrumentation API, original code can be found in git history
+        throw error(Message.GENERIC, ".fastr.profmem.source is not available.");
     }
 }