diff --git a/checker/src/main/java/org/checkerframework/checker/initialization/InitializationVisitor.java b/checker/src/main/java/org/checkerframework/checker/initialization/InitializationVisitor.java
index e17443a5d59..ea2596de1c1 100644
--- a/checker/src/main/java/org/checkerframework/checker/initialization/InitializationVisitor.java
+++ b/checker/src/main/java/org/checkerframework/checker/initialization/InitializationVisitor.java
@@ -72,11 +72,11 @@ public InitializationVisitor(BaseTypeChecker checker) {
   }
 
   @Override
-  public void setRoot(CompilationUnitTree root) {
+  public void setRoot(CompilationUnitTree newRoot) {
     // Clean up the cache of initialized fields once per compilation unit.
     // Alternatively, but harder to determine, this could be done once per top-level class.
     initializedFields.clear();
-    super.setRoot(root);
+    super.setRoot(newRoot);
   }
 
   @Override
diff --git a/checker/src/main/java/org/checkerframework/checker/mustcall/MustCallAnnotatedTypeFactory.java b/checker/src/main/java/org/checkerframework/checker/mustcall/MustCallAnnotatedTypeFactory.java
index 26137ddd6b0..b137c9de2c6 100644
--- a/checker/src/main/java/org/checkerframework/checker/mustcall/MustCallAnnotatedTypeFactory.java
+++ b/checker/src/main/java/org/checkerframework/checker/mustcall/MustCallAnnotatedTypeFactory.java
@@ -149,8 +149,8 @@ public MustCallAnnotatedTypeFactory(BaseTypeChecker checker) {
   }
 
   @Override
-  public void setRoot(@Nullable CompilationUnitTree root) {
-    super.setRoot(root);
+  public void setRoot(@Nullable CompilationUnitTree newRoot) {
+    super.setRoot(newRoot);
     // TODO: This should probably be guarded by isSafeToClearSharedCFG from
     // GenericAnnotatedTypeFactory, but this works here because we know the Must Call Checker is
     // always the first subchecker that's sharing tempvars.
diff --git a/framework/src/main/java/org/checkerframework/common/basetype/BaseTypeVisitor.java b/framework/src/main/java/org/checkerframework/common/basetype/BaseTypeVisitor.java
index 5c535b4d774..87a6d63544a 100644
--- a/framework/src/main/java/org/checkerframework/common/basetype/BaseTypeVisitor.java
+++ b/framework/src/main/java/org/checkerframework/common/basetype/BaseTypeVisitor.java
@@ -383,9 +383,9 @@ public Factory createTypeFactoryPublic() {
   // **********************************************************************
 
   @Override
-  public void setRoot(CompilationUnitTree root) {
-    atypeFactory.setRoot(root);
-    super.setRoot(root);
+  public void setRoot(CompilationUnitTree newRoot) {
+    atypeFactory.setRoot(newRoot);
+    super.setRoot(newRoot);
     testJointJavacJavaParserVisitor();
     testAnnotationInsertion();
   }
diff --git a/framework/src/main/java/org/checkerframework/framework/source/SourceVisitor.java b/framework/src/main/java/org/checkerframework/framework/source/SourceVisitor.java
index 6d3e1740c3d..4de6349d1fb 100644
--- a/framework/src/main/java/org/checkerframework/framework/source/SourceVisitor.java
+++ b/framework/src/main/java/org/checkerframework/framework/source/SourceVisitor.java
@@ -66,9 +66,11 @@ protected SourceVisitor(SourceChecker checker) {
    * Set the CompilationUnitTree to be used during any visits. For any later calls of {@code
    * com.sun.source.util.TreePathScanner.scan(TreePath, P)}, the CompilationUnitTree of the TreePath
    * has to be equal to {@code root}.
+   *
+   * @param newRoot the new compilation unit
    */
-  public void setRoot(CompilationUnitTree root) {
-    this.root = root;
+  public void setRoot(CompilationUnitTree newRoot) {
+    this.root = newRoot;
   }
 
   /**
diff --git a/framework/src/main/java/org/checkerframework/framework/type/AnnotatedTypeFactory.java b/framework/src/main/java/org/checkerframework/framework/type/AnnotatedTypeFactory.java
index 12b302baa59..9f6dc6a2af8 100644
--- a/framework/src/main/java/org/checkerframework/framework/type/AnnotatedTypeFactory.java
+++ b/framework/src/main/java/org/checkerframework/framework/type/AnnotatedTypeFactory.java
@@ -899,11 +899,11 @@ protected void initializeReflectionResolution() {
   /**
    * Set the CompilationUnitTree that should be used.
    *
-   * @param root the new compilation unit to use
+   * @param newRoot the new compilation unit to use
    */
-  public void setRoot(@Nullable CompilationUnitTree root) {
-    if (root != null && wholeProgramInference != null) {
-      for (Tree typeDecl : root.getTypeDecls()) {
+  public void setRoot(@Nullable CompilationUnitTree newRoot) {
+    if (newRoot != null && wholeProgramInference != null) {
+      for (Tree typeDecl : newRoot.getTypeDecls()) {
         if (typeDecl.getKind() == Tree.Kind.CLASS) {
           ClassTree classTree = (ClassTree) typeDecl;
           wholeProgramInference.preprocessClassTree(classTree);
@@ -911,7 +911,7 @@ public void setRoot(@Nullable CompilationUnitTree root) {
       }
     }
 
-    this.root = root;
+    this.root = newRoot;
     // Do not clear here. Only the primary checker should clear this cache.
     // treePathCache.clear();