diff --git a/build.gradle b/build.gradle
index 830e2edf..1bf741b9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,6 +17,7 @@ buildscript {
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.50.0'
         classpath 'com.palantir.gradle.revapi:gradle-revapi:1.8.0'
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:2.50.0'
+        classpath 'com.palantir.suppressible-error-prone:gradle-suppressible-error-prone:1.6.0'
         classpath 'gradle.plugin.org.inferred:gradle-processors:3.7.0'
     }
 }
diff --git a/idea-plugin/src/main/java/com/palantir/javaformat/intellij/FormatterProvider.java b/idea-plugin/src/main/java/com/palantir/javaformat/intellij/FormatterProvider.java
index edffd9f8..8c771189 100644
--- a/idea-plugin/src/main/java/com/palantir/javaformat/intellij/FormatterProvider.java
+++ b/idea-plugin/src/main/java/com/palantir/javaformat/intellij/FormatterProvider.java
@@ -67,6 +67,7 @@ Optional<FormatterService> get(Project project, PalantirJavaFormatSettings setti
                 settings.injectedVersionIsOutdated()));
     }
 
+    @SuppressWarnings("for-rollout:Slf4jLogsafeArgs")
     private static Optional<FormatterService> createFormatter(FormatterCacheKey cacheKey) {
         if (cacheKey.jdkMajorVersion.isEmpty()) {
             return Optional.empty();
@@ -107,6 +108,7 @@ private static List<Path> getProvidedImplementationUrls(List<URI> implementation
         return implementationClasspath.stream().map(Path::of).collect(Collectors.toList());
     }
 
+    @SuppressWarnings("for-rollout:Slf4jLogsafeArgs")
     private static List<Path> getBundledImplementationUrls() {
         // Load from the jars bundled with the plugin.
         IdeaPluginDescriptor ourPlugin = Preconditions.checkNotNull(
@@ -116,6 +118,7 @@ private static List<Path> getBundledImplementationUrls() {
         return listDirAsUrlsUnchecked(implDir);
     }
 
+    @SuppressWarnings("for-rollout:Slf4jLogsafeArgs")
     private static List<Path> getImplementationUrls(
             Optional<List<URI>> implementationClassPath, boolean useBundledImplementation) {
         if (useBundledImplementation) {
@@ -163,6 +166,7 @@ private static OptionalInt parseSdkJavaVersion(Sdk sdk) {
         return parseSdkJavaVersion(version);
     }
 
+    @SuppressWarnings("for-rollout:Slf4jLogsafeArgs")
     @VisibleForTesting
     static OptionalInt parseSdkJavaVersion(String version) {
         int indexOfVersionDelimiter = version.indexOf('.');
diff --git a/idea-plugin/src/main/java/com/palantir/javaformat/intellij/PalantirJavaFormatConfigurable.java b/idea-plugin/src/main/java/com/palantir/javaformat/intellij/PalantirJavaFormatConfigurable.java
index 40e289cc..0dd857bb 100644
--- a/idea-plugin/src/main/java/com/palantir/javaformat/intellij/PalantirJavaFormatConfigurable.java
+++ b/idea-plugin/src/main/java/com/palantir/javaformat/intellij/PalantirJavaFormatConfigurable.java
@@ -40,10 +40,14 @@ class PalantirJavaFormatConfigurable extends BaseConfigurable implements Searcha
     private final Project project;
     private JPanel panel;
     private JCheckBox enable;
+
+    @SuppressWarnings("for-rollout:RawTypes")
     private JComboBox styleComboBox;
+
     private JLabel formatterVersion;
     private JLabel pluginVersion;
 
+    @SuppressWarnings("for-rollout:NullAway")
     public PalantirJavaFormatConfigurable(Project project) {
         this.project = project;
     }
@@ -133,6 +137,7 @@ private void createUIComponents() {
      *
      * @noinspection ALL
      */
+    @SuppressWarnings("for-rollout:InvalidBlockTag")
     private void $$$setupUI$$$() {
         createUIComponents();
         panel = new JPanel();
@@ -281,6 +286,7 @@ private void createUIComponents() {
     }
 
     /** @noinspection ALL */
+    @SuppressWarnings({"for-rollout:InvalidBlockTag", "for-rollout:MissingSummary"})
     public JComponent $$$getRootComponent$$$() {
         return panel;
     }
diff --git a/idea-plugin/src/main/java/com/palantir/javaformat/intellij/PalantirJavaFormatSettings.java b/idea-plugin/src/main/java/com/palantir/javaformat/intellij/PalantirJavaFormatSettings.java
index 4898ab59..a4eec586 100644
--- a/idea-plugin/src/main/java/com/palantir/javaformat/intellij/PalantirJavaFormatSettings.java
+++ b/idea-plugin/src/main/java/com/palantir/javaformat/intellij/PalantirJavaFormatSettings.java
@@ -34,17 +34,20 @@
 import java.util.stream.Stream;
 import javax.annotation.Nullable;
 
+@SuppressWarnings("for-rollout:SameNameButDifferent")
 @State(
         name = "PalantirJavaFormatSettings",
         storages = {@Storage("palantir-java-format.xml")})
 class PalantirJavaFormatSettings implements PersistentStateComponent<PalantirJavaFormatSettings.State> {
 
+    @SuppressWarnings("for-rollout:SameNameButDifferent")
     private State state = new State();
 
     static PalantirJavaFormatSettings getInstance(Project project) {
         return ServiceManager.getService(project, PalantirJavaFormatSettings.class);
     }
 
+    @SuppressWarnings("for-rollout:SameNameButDifferent")
     @Nullable
     @Override
     public State getState() {
@@ -52,7 +55,7 @@ public State getState() {
     }
 
     @Override
-    public void loadState(State state) {
+    public void loadState(@SuppressWarnings("for-rollout:SameNameButDifferent") State state) {
         this.state = state;
     }
 
@@ -144,6 +147,7 @@ public void setImplementationClassPath(@Nullable List<String> value) {
                     .map(strings -> strings.stream().map(URI::create).collect(Collectors.toList()));
         }
 
+        @SuppressWarnings("for-rollout:NullAway")
         public List<String> getImplementationClassPath() {
             return implementationClassPath
                     .map(paths -> paths.stream().map(URI::toString).collect(Collectors.toList()))
@@ -161,6 +165,7 @@ public void setEnabled(@Nullable String enabledStr) {
             }
         }
 
+        @SuppressWarnings("for-rollout:NullAway")
         public String getEnabled() {
             switch (enabled) {
                 case ENABLED:
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/Newlines.java b/palantir-java-format/src/main/java/com/palantir/javaformat/Newlines.java
index 825cc84a..2a83ff29 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/Newlines.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/Newlines.java
@@ -53,6 +53,7 @@ public static int hasNewlineAt(String input, int idx) {
     }
 
     /** Returns the terminating line break in the input, or {@code null} if the input does not end in a break. */
+    @SuppressWarnings("for-rollout:NullAway")
     public static String getLineEnding(String input) {
         for (String b : BREAKS) {
             if (input.endsWith(b)) {
@@ -158,6 +159,7 @@ private static final class LineIterator implements Iterator<String> {
         private final String input;
         private final Iterator<Integer> indices;
 
+        @SuppressWarnings("for-rollout:NullAway")
         private LineIterator(String input) {
             this.input = input;
             this.indices = lineOffsetIterator(input);
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/doc/LevelDelimitedFlatValueDocVisitor.java b/palantir-java-format/src/main/java/com/palantir/javaformat/doc/LevelDelimitedFlatValueDocVisitor.java
index 1ec1b64d..fd3e46b3 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/doc/LevelDelimitedFlatValueDocVisitor.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/doc/LevelDelimitedFlatValueDocVisitor.java
@@ -53,6 +53,7 @@ public String visitBreak(Break doc) {
         return sb.toString();
     }
 
+    @SuppressWarnings("for-rollout:NullAway")
     @Override
     public String visitLevel(Level level) {
         if (level.getFlat().isEmpty()) {
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/doc/Obs.java b/palantir-java-format/src/main/java/com/palantir/javaformat/doc/Obs.java
index 0fcbf7ed..457351e0 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/doc/Obs.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/doc/Obs.java
@@ -64,6 +64,7 @@ FinishExplorationNode startExplorationNode(
         String getOutput();
     }
 
+    @SuppressWarnings("for-rollout:NullAway")
     public static ExplorationNode createRoot(Sink sink) {
         return new ExplorationNodeImpl(null, "(initial node)", sink, 0, Optional.empty());
     }
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/java/CommandLineOptionsParser.java b/palantir-java-format/src/main/java/com/palantir/javaformat/java/CommandLineOptionsParser.java
index b06f9952..0e2959b4 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/java/CommandLineOptionsParser.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/java/CommandLineOptionsParser.java
@@ -39,6 +39,7 @@ final class CommandLineOptionsParser {
             Splitter.on(CharMatcher.breakingWhitespace()).omitEmptyStrings().trimResults();
 
     /** Parses {@link CommandLineOptions}. */
+    @SuppressWarnings("for-rollout:NullAway")
     static CommandLineOptions parse(Iterable<String> options) {
         CommandLineOptions.Builder optionsBuilder = CommandLineOptions.builder();
         List<String> expandedOptions = new ArrayList<>();
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavaInput.java b/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavaInput.java
index 4077bb54..fea551af 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavaInput.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavaInput.java
@@ -266,6 +266,7 @@ public String toString() {
      * @param text the input text
      * @throws FormatterException if the input cannot be parsed
      */
+    @SuppressWarnings("for-rollout:NullAway")
     public JavaInput(String text) throws FormatterException {
         this.text = checkNotNull(text);
         setLines(ImmutableList.copyOf(Newlines.lineIterator(text)));
@@ -344,6 +345,7 @@ private ImmutableList<Tok> buildToks(String text) throws FormatterException {
      * @param stopTokens a set of tokens which should cause lexing to stop. If one of these is found, the returned list
      *     will include tokens up to but not including that token.
      */
+    @SuppressWarnings("for-rollout:NullAway")
     static ImmutableList<Tok> buildToks(String text, ImmutableSet<TokenKind> stopTokens) throws FormatterException {
         stopTokens = ImmutableSet.<TokenKind>builder()
                 .addAll(stopTokens)
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavaInputAstVisitor.java b/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavaInputAstVisitor.java
index b4428c64..e288e842 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavaInputAstVisitor.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavaInputAstVisitor.java
@@ -984,6 +984,7 @@ void visitVariables(List<VariableTree> fragments, DeclarationKind declarationKin
         }
     }
 
+    @SuppressWarnings("for-rollout:NullAway")
     private TypeWithDims variableFragmentDims(boolean first, int leadingDims, Tree type) {
         if (type == null) {
             return null;
@@ -1381,6 +1382,7 @@ public Void visitAnnotatedType(AnnotatedTypeTree node, Void unused) {
 
     protected static final long RECORD = 1L << 61;
 
+    @SuppressWarnings("for-rollout:NullAway")
     @Override
     public Void visitMethod(MethodTree node, Void unused) {
         sync(node);
@@ -2997,6 +2999,7 @@ private ExpressionTree getArrayBase(ExpressionTree node) {
         return node;
     }
 
+    @SuppressWarnings("for-rollout:NullAway")
     private ExpressionTree getMethodReceiver(MethodInvocationTree methodInvocation) {
         ExpressionTree select = methodInvocation.getMethodSelect();
         return select instanceof MemberSelectTree ? ((MemberSelectTree) select).getExpression() : null;
@@ -3328,6 +3331,7 @@ static int rowLength(List<? extends ExpressionTree> row) {
         return size;
     }
 
+    @SuppressWarnings("for-rollout:NullAway")
     private Integer actualColumn(ExpressionTree expression) {
         Map<Integer, Integer> positionToColumnMap = builder.getInput().getPositionToColumnMap();
         return positionToColumnMap.get(builder.actualStartColumn(getStartPosition(expression)));
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavaOutput.java b/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavaOutput.java
index b6f9e068..b7502a12 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavaOutput.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavaOutput.java
@@ -177,6 +177,7 @@ void flush() {
      *
      * @return a list of {@link Replacement}s, sorted by start index, without overlaps
      */
+    @SuppressWarnings("for-rollout:NullAway")
     public ImmutableList<Replacement> getFormatReplacements(RangeSet<Integer> iRangeSet0) {
         ImmutableList.Builder<Replacement> result = ImmutableList.builder();
         Map<Integer, Range<Integer>> kToJ = JavaOutput.makeKToIJ(this);
@@ -212,6 +213,7 @@ public ImmutableList<Replacement> getFormatReplacements(RangeSet<Integer> iRange
                 replaceFrom--;
             }
 
+            @SuppressWarnings("for-rollout:NullAway")
             int i = kToJ.get(startTok.getIndex()).lowerEndpoint();
             // Include leading blank lines from the formatted output, unless the formatted range
             // starts at the beginning of the file.
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavacTokens.java b/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavacTokens.java
index 9cc61d20..70583741 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavacTokens.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/java/JavacTokens.java
@@ -72,6 +72,7 @@ public String stringVal() {
     }
 
     /** Lex the input and return a list of {@link RawTok}s. */
+    @SuppressWarnings("for-rollout:NullAway")
     public static ImmutableList<RawTok> getTokens(String source, Context context, Set<TokenKind> stopTokens) {
         if (source == null) {
             return ImmutableList.of();
@@ -154,6 +155,7 @@ static class CommentWithTextAndPosition implements Comment {
         private final AccessibleReader reader;
         private final CommentStyle style;
 
+        @SuppressWarnings("for-rollout:NullAway")
         private String text = null;
 
         public CommentWithTextAndPosition(int pos, int endPos, AccessibleReader reader, CommentStyle style) {
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/java/JsonSink.java b/palantir-java-format/src/main/java/com/palantir/javaformat/java/JsonSink.java
index 87d7f7ec..7ef3d7af 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/java/JsonSink.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/java/JsonSink.java
@@ -35,8 +35,11 @@ public final class JsonSink implements Sink {
     private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper().registerModule(new Jdk8Module());
 
     private final Map<Integer, ArrayNode> childrenMap = new HashMap<>();
+
+    @SuppressWarnings("for-rollout:NullAway")
     private ObjectNode rootNode;
 
+    @SuppressWarnings("for-rollout:NullAway")
     @Override
     public FinishExplorationNode startExplorationNode(
             int exporationId,
@@ -68,6 +71,7 @@ public FinishExplorationNode startExplorationNode(
 
     @Override
     public FinishLevelNode writeLevelNode(int levelNodeId, int parentExplorationId, State incomingState, Level level) {
+        @SuppressWarnings("for-rollout:NullAway")
         ObjectNode json = childrenMap.get(parentExplorationId).addObject();
         json.put("type", "level");
         json.put("id", levelNodeId);
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/java/ModifierOrderer.java b/palantir-java-format/src/main/java/com/palantir/javaformat/java/ModifierOrderer.java
index 364b1df4..26e83f13 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/java/ModifierOrderer.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/java/ModifierOrderer.java
@@ -107,6 +107,7 @@ private static void addTrivia(StringBuilder replacement, ImmutableList<? extends
     /**
      * Returns the given token as a {@link javax.lang.model.element.Modifier}, or {@code null} if it is not a modifier.
      */
+    @SuppressWarnings("for-rollout:NullAway")
     private static Modifier asModifier(Token token) {
         TokenKind kind = ((JavaInput.Tok) token.getTok()).kind();
         if (kind != null) {
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/java/RemoveUnusedImports.java b/palantir-java-format/src/main/java/com/palantir/javaformat/java/RemoveUnusedImports.java
index c537afd7..aac2dd16 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/java/RemoveUnusedImports.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/java/RemoveUnusedImports.java
@@ -117,6 +117,7 @@ public Void visitCase(CaseTree tree, Void unused) {
 
         private static final Method CASE_TREE_GET_LABELS = caseTreeGetLabels();
 
+        @SuppressWarnings("for-rollout:NullAway")
         private static Method caseTreeGetLabels() {
             try {
                 return CaseTree.class.getMethod("getLabels");
@@ -125,6 +126,7 @@ private static Method caseTreeGetLabels() {
             }
         }
 
+        @SuppressWarnings("for-rollout:VoidUsed")
         @Override
         public Void scan(Tree tree, Void unused) {
             if (tree == null) {
@@ -182,6 +184,7 @@ public ReferenceScanner(long basePos) {
                     this.basePos = basePos;
                 }
 
+                @SuppressWarnings("for-rollout:VoidUsed")
                 @Override
                 public Void visitIdentifier(IdentifierTree node, Void aVoid) {
                     usedInJavadoc.put(
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/java/Trees.java b/palantir-java-format/src/main/java/com/palantir/javaformat/java/Trees.java
index 66c912bc..8b3b5646 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/java/Trees.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/java/Trees.java
@@ -68,6 +68,7 @@ static Name getMethodName(MethodInvocationTree methodInvocation) {
     }
 
     /** Returns the receiver of a qualified method invocation expression, or {@code null}. */
+    @SuppressWarnings("for-rollout:NullAway")
     static ExpressionTree getMethodReceiver(MethodInvocationTree methodInvocation) {
         ExpressionTree select = methodInvocation.getMethodSelect();
         return select instanceof MemberSelectTree ? ((MemberSelectTree) select).getExpression() : null;
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/java/java14/Java14InputAstVisitor.java b/palantir-java-format/src/main/java/com/palantir/javaformat/java/java14/Java14InputAstVisitor.java
index d2ebe1d7..6f70b3cd 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/java/java14/Java14InputAstVisitor.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/java/java14/Java14InputAstVisitor.java
@@ -94,6 +94,7 @@ protected List<? extends Tree> getPermitsClause(ClassTree node) {
         }
     }
 
+    @SuppressWarnings("for-rollout:NullAway")
     @Override
     public Void visitBindingPattern(BindingPatternTree node, Void unused) {
         sync(node);
@@ -326,6 +327,7 @@ public Void visitLambdaExpression(LambdaExpressionTree node, Void unused) {
         return null;
     }
 
+    @SuppressWarnings("for-rollout:NullAway")
     private static Method maybeGetMethod(Class<?> c, String name) {
         try {
             return c.getMethod(name);
diff --git a/palantir-java-format/src/main/java/com/palantir/javaformat/java/javadoc/JavadocLexer.java b/palantir-java-format/src/main/java/com/palantir/javaformat/java/javadoc/JavadocLexer.java
index 8e55f085..2ba55d60 100644
--- a/palantir-java-format/src/main/java/com/palantir/javaformat/java/javadoc/JavadocLexer.java
+++ b/palantir-java-format/src/main/java/com/palantir/javaformat/java/javadoc/JavadocLexer.java
@@ -436,6 +436,7 @@ private static ImmutableList<Token> deindentPreCodeBlocks(List<Token> input) {
         return output.build();
     }
 
+    @SuppressWarnings("for-rollout:NullAway")
     private static void deindentPreCodeBlock(ImmutableList.Builder<Token> output, PeekingIterator<Token> tokens) {
         Deque<Token> saved = new ArrayDeque<>();
         output.add(new Token(LITERAL, tokens.next().getValue().trim()));