diff --git a/build.gradle b/build.gradle
index cc16a72d97cc4efff8a2a44fcba801746c912d07..8882de27b96c3c7373a67488d786b74143e07065 100644
--- a/build.gradle
+++ b/build.gradle
@@ -42,11 +42,11 @@ artifacts {
 
 dependencies {
 
-    modelImplementation group: 'org.jastadd', name: 'jastadd', version: '2.3.4'
+    modelImplementation group: 'org.jastadd', name: 'jastadd', version: '2.3.5'
     modelImplementation group: 'net.sf.beaver', name: 'beaver-rt', version: '0.9.11'
 
     implementation files(modelJar.archiveFile.get())
-    api group: 'org.jastadd', name: 'jastadd', version: '2.3.4'
+    api group: 'org.jastadd', name: 'jastadd', version: '2.3.5'
     api group: 'net.sf.beaver', name: 'beaver-rt', version: '0.9.11'
     implementation group: 'com.github.jknack', name: 'handlebars', version: '4.2.0'
     implementation group: 'org.yaml', name: 'snakeyaml', version: '1.27'
diff --git a/src/main/java/org/jastadd/PreprocessorConfiguration.java b/src/main/java/org/jastadd/PreprocessorConfiguration.java
index 39fd43963ecdc1cece0649cf3e1123ed228e4505..913b8b56532b33566db14180377d78be0dae0777 100644
--- a/src/main/java/org/jastadd/PreprocessorConfiguration.java
+++ b/src/main/java/org/jastadd/PreprocessorConfiguration.java
@@ -140,7 +140,6 @@ public class PreprocessorConfiguration extends org.jastadd.Configuration {
     allOptions.add(cacheCycleOption);
     allOptions.add(componentCheckOption);
     allOptions.add(inhEqCheckOption);
-    allOptions.add(suppressWarningsOption);
     allOptions.add(refineLegacyOption);
     allOptions.add(licenseOption);
     allOptions.add(debugOption);
@@ -180,27 +179,6 @@ public class PreprocessorConfiguration extends org.jastadd.Configuration {
     // New since 2.3.4
     allOptions.add(optimizeImports);
 
-    // Deprecated in 2.1.5.
-    allOptions.add(doxygenOption);
-    allOptions.add(cacheAllOption);
-    allOptions.add(noCachingOption);
-    allOptions.add(cacheNoneOption);
-    allOptions.add(cacheImplicitOption);
-    allOptions.add(ignoreLazyOption);
-    allOptions.add(fullFlushOption);
-
-    // Deprecated in 2.1.9.
-    allOptions.add(docOption);
-    allOptions.add(java1_4Option); // Disabled in 2.1.10.
-    allOptions.add(noLazyMapsOption);
-    allOptions.add(noVisitCheckOption);
-    allOptions.add(noCacheCycleOption);
-    allOptions.add(noRefineLegacyOption);
-    allOptions.add(noComponentCheckOption);
-    allOptions.add(noInhEqCheckOption);
-    allOptions.add(noStaticOption);
-    allOptions.add(deterministicOption);
-
     return allOptions;
   }