diff --git a/README.md b/README.md
index 73a60757eb1..4fdaeb6ade3 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,8 @@ it, read the installation guide for Maven or Gradle below.
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
+                   <!-- Prefer using the latest release. -->
+                   <version>3.11.0</version>
                    <configuration>
                        <annotationProcessorPaths>
                            <!-- Error Prone itself. -->
@@ -94,8 +96,6 @@ it, read the installation guide for Maven or Gradle below.
                            </arg>
                            <arg>-XDcompilePolicy=simple</arg>
                        </compilerArgs>
-                       <!-- Some checks raise warnings rather than errors. -->
-                       <showWarnings>true</showWarnings>
                        <!-- Enable this if you'd like to fail your build upon warnings. -->
                        <!-- <failOnWarning>true</failOnWarning> -->
                    </configuration>
diff --git a/pom.xml b/pom.xml
index 9af6cd5cd4d..b5ecd5b3c23 100644
--- a/pom.xml
+++ b/pom.xml
@@ -886,20 +886,7 @@
                     <artifactId>maven-compiler-plugin</artifactId>
                     <version>3.11.0</version>
                     <configuration>
-                        <!-- XXX: MCOMPILER-503: The plugin constructs a highly
-                        unintuitive annotation processor classpath, in which
-                        some indirect dependencies take precedence over
-                        explicitly defined dependencies. This can largely be
-                        mitigated through careful ordering of the dependencies,
-                        but this prevents (where relevant) declaring these
-                        dependencies as part of their corresponding Maven
-                        profile. -->
                         <annotationProcessorPaths>
-                            <path>
-                                <groupId>${groupId.error-prone}</groupId>
-                                <artifactId>error_prone_core</artifactId>
-                                <version>${version.error-prone}</version>
-                            </path>
                             <path>
                                 <groupId>com.google.auto.value</groupId>
                                 <artifactId>auto-value</artifactId>
@@ -910,31 +897,6 @@
                                 <artifactId>auto-service</artifactId>
                                 <version>${version.auto-service}</version>
                             </path>
-                            <path>
-                                <groupId>com.google.guava</groupId>
-                                <artifactId>guava-beta-checker</artifactId>
-                                <version>${version.guava-beta-checker}</version>
-                            </path>
-                            <path>
-                                <groupId>com.jakewharton.nopen</groupId>
-                                <artifactId>nopen-checker</artifactId>
-                                <version>${version.nopen-checker}</version>
-                            </path>
-                            <path>
-                                <groupId>com.uber.nullaway</groupId>
-                                <artifactId>nullaway</artifactId>
-                                <version>${version.nullaway}</version>
-                            </path>
-                            <path>
-                                <groupId>jp.skypencil.errorprone.slf4j</groupId>
-                                <artifactId>errorprone-slf4j</artifactId>
-                                <version>${version.error-prone-slf4j}</version>
-                            </path>
-                            <path>
-                                <groupId>org.mockito</groupId>
-                                <artifactId>mockito-errorprone</artifactId>
-                                <version>${version.mockito}</version>
-                            </path>
                         </annotationProcessorPaths>
                         <compilerArgs>
                             <arg>--add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED</arg>
@@ -952,6 +914,7 @@
                         <parameters>true</parameters>
                         <source>${version.jdk}</source>
                         <target>${version.jdk}</target>
+                        <showWarnings>false</showWarnings>
                         <!-- Erroneously inverted logic... for details, see
                         https://issues.apache.org/jira/browse/MCOMPILER-209. -->
                         <useIncrementalCompilation>false</useIncrementalCompilation>
@@ -1721,6 +1684,38 @@
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-compiler-plugin</artifactId>
                         <configuration>
+                            <annotationProcessorPaths combine.children="append">
+                                <path>
+                                    <groupId>${groupId.error-prone}</groupId>
+                                    <artifactId>error_prone_core</artifactId>
+                                    <version>${version.error-prone}</version>
+                                </path>
+                                <path>
+                                    <groupId>com.google.guava</groupId>
+                                    <artifactId>guava-beta-checker</artifactId>
+                                    <version>${version.guava-beta-checker}</version>
+                                </path>
+                                <path>
+                                    <groupId>com.jakewharton.nopen</groupId>
+                                    <artifactId>nopen-checker</artifactId>
+                                    <version>${version.nopen-checker}</version>
+                                </path>
+                                <path>
+                                    <groupId>com.uber.nullaway</groupId>
+                                    <artifactId>nullaway</artifactId>
+                                    <version>${version.nullaway}</version>
+                                </path>
+                                <path>
+                                    <groupId>jp.skypencil.errorprone.slf4j</groupId>
+                                    <artifactId>errorprone-slf4j</artifactId>
+                                    <version>${version.error-prone-slf4j}</version>
+                                </path>
+                                <path>
+                                    <groupId>org.mockito</groupId>
+                                    <artifactId>mockito-errorprone</artifactId>
+                                    <version>${version.mockito}</version>
+                                </path>
+                            </annotationProcessorPaths>
                             <compilerArgs combine.children="append">
                                 <!-- Enable and configure Error Prone. -->
                                 <arg>