diff --git a/core/src/main/java/org/lflang/diagram/synthesis/LinguaFrancaSynthesis.java b/core/src/main/java/org/lflang/diagram/synthesis/LinguaFrancaSynthesis.java
index 0c6c88d8d5..fff1ccf873 100644
--- a/core/src/main/java/org/lflang/diagram/synthesis/LinguaFrancaSynthesis.java
+++ b/core/src/main/java/org/lflang/diagram/synthesis/LinguaFrancaSynthesis.java
@@ -237,8 +237,6 @@ public class LinguaFrancaSynthesis extends AbstractDiagramSynthesis<Model> {
       SynthesisOption.createCheckOption("Multiport Widths", false).setCategory(APPEARANCE);
   public static final SynthesisOption SHOW_REACTION_CODE =
       SynthesisOption.createCheckOption("Reaction Code", false).setCategory(APPEARANCE);
-  public static final SynthesisOption SHOW_REACTION_LEVEL =
-      SynthesisOption.createCheckOption("Reaction Level", false).setCategory(APPEARANCE);
   public static final SynthesisOption SHOW_REACTION_ORDER_EDGES =
       SynthesisOption.createCheckOption("Reaction Order Edges", false).setCategory(APPEARANCE);
   public static final SynthesisOption SHOW_REACTOR_HOST =
@@ -291,7 +289,6 @@ public List<SynthesisOption> getDisplayedSynthesisOptions() {
         SHOW_PORT_NAMES,
         SHOW_MULTIPORT_WIDTH,
         SHOW_REACTION_CODE,
-        SHOW_REACTION_LEVEL,
         SHOW_REACTION_ORDER_EDGES,
         SHOW_REACTOR_HOST,
         SHOW_INSTANCE_NAMES,
diff --git a/core/src/main/java/org/lflang/diagram/synthesis/styles/LinguaFrancaShapeExtensions.java b/core/src/main/java/org/lflang/diagram/synthesis/styles/LinguaFrancaShapeExtensions.java
index 893d7df47b..37e82250ea 100644
--- a/core/src/main/java/org/lflang/diagram/synthesis/styles/LinguaFrancaShapeExtensions.java
+++ b/core/src/main/java/org/lflang/diagram/synthesis/styles/LinguaFrancaShapeExtensions.java
@@ -72,7 +72,6 @@
 import org.eclipse.elk.graph.properties.Property;
 import org.eclipse.xtext.xbase.lib.Extension;
 import org.eclipse.xtext.xbase.lib.Functions.Function1;
-import org.eclipse.xtext.xbase.lib.IterableExtensions;
 import org.eclipse.xtext.xbase.lib.Pair;
 import org.eclipse.xtext.xbase.lib.StringExtensions;
 import org.lflang.ast.ASTUtils;
@@ -424,23 +423,6 @@ public KPolygon addReactionFigure(KNode node, ReactionInstance reaction) {
       DiagramSyntheses.suppressSelectability(textToAdd);
     }
 
-    // optional reaction level
-    if (getBooleanValue(LinguaFrancaSynthesis.SHOW_REACTION_LEVEL)) {
-      // Force calculation of levels for reactions. This calculation
-      // will only be done once. Note that if this fails due to a causality loop,
-      // then some reactions will have level -1.
-      try {
-        String levels = IterableExtensions.join(reaction.getLevels(), ", ");
-        KText levelsText =
-            _kContainerRenderingExtensions.addText(contentContainer, ("level: " + levels));
-        _kRenderingExtensions.setFontBold(levelsText, false);
-        _linguaFrancaStyleExtensions.noSelectionStyle(levelsText);
-        DiagramSyntheses.suppressSelectability(levelsText);
-      } catch (Exception ex) {
-        // If the graph has cycles, the above fails. Continue without showing levels.
-      }
-    }
-
     // optional code content
     boolean hasCode =
         getBooleanValue(LinguaFrancaSynthesis.SHOW_REACTION_CODE)