diff --git a/java/com/google/domain/registry/model/registrar/Registrar.java b/java/com/google/domain/registry/model/registrar/Registrar.java
index 8809c2191..c912fed8f 100644
--- a/java/com/google/domain/registry/model/registrar/Registrar.java
+++ b/java/com/google/domain/registry/model/registrar/Registrar.java
@@ -37,7 +37,6 @@ import static java.nio.charset.StandardCharsets.UTF_8;
 import com.google.common.base.Predicate;
 import com.google.common.base.Predicates;
 import com.google.common.base.Supplier;
-import com.google.common.base.Throwables;
 import com.google.common.collect.FluentIterable;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
@@ -554,7 +553,7 @@ public class Registrar extends ImmutableObject implements Buildable, Jsonifiable
               (password + salt).getBytes(UTF_8)));
     } catch (NoSuchAlgorithmException e) {
       // All implementations of MessageDigest are required to support SHA-256.
-      throw Throwables.propagate(e);
+      throw new RuntimeException(e);
     }
   }
 
diff --git a/java/com/google/domain/registry/util/TypeUtils.java b/java/com/google/domain/registry/util/TypeUtils.java
index 4d9fe7ce0..01a05fa82 100644
--- a/java/com/google/domain/registry/util/TypeUtils.java
+++ b/java/com/google/domain/registry/util/TypeUtils.java
@@ -19,7 +19,6 @@ import static java.lang.reflect.Modifier.isFinal;
 import static java.lang.reflect.Modifier.isStatic;
 
 import com.google.common.base.Predicate;
-import com.google.common.base.Throwables;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.reflect.TypeToken;
 
@@ -53,7 +52,7 @@ public class TypeUtils {
     try {
       return (T) clazz.newInstance();
     } catch (InstantiationException | IllegalAccessException e) {
-      throw Throwables.propagate(e);
+      throw new RuntimeException(e);
     }
   }
 
diff --git a/java/com/google/domain/registry/util/XmlEnumUtils.java b/java/com/google/domain/registry/util/XmlEnumUtils.java
index b601fd5ec..183def36e 100644
--- a/java/com/google/domain/registry/util/XmlEnumUtils.java
+++ b/java/com/google/domain/registry/util/XmlEnumUtils.java
@@ -14,8 +14,6 @@
 
 package com.google.domain.registry.util;
 
-import com.google.common.base.Throwables;
-
 import javax.xml.bind.annotation.XmlEnumValue;
 
 /** Utility methods related to xml enums. */
@@ -25,7 +23,7 @@ public class XmlEnumUtils {
     try {
       return input.getClass().getField(input.name()).getAnnotation(XmlEnumValue.class).value();
     } catch (NoSuchFieldException e) {
-      throw Throwables.propagate(e);
+      throw new RuntimeException(e);
     }
   }
 }
diff --git a/java/com/google/domain/registry/xml/XmlTransformer.java b/java/com/google/domain/registry/xml/XmlTransformer.java
index 1a6f187f6..9ba50616c 100644
--- a/java/com/google/domain/registry/xml/XmlTransformer.java
+++ b/java/com/google/domain/registry/xml/XmlTransformer.java
@@ -20,7 +20,6 @@ import static com.google.domain.registry.xml.ValidationMode.STRICT;
 import static java.nio.charset.StandardCharsets.UTF_8;
 
 import com.google.common.base.Joiner;
-import com.google.common.base.Throwables;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.io.Closer;
@@ -91,7 +90,7 @@ public class XmlTransformer {
       this.jaxbContext = JAXBContext.newInstance(recognizedClasses);
       this.schema = loadXmlSchemas(schemaFilenames);
     } catch (JAXBException e) {
-      throw Throwables.propagate(e);
+      throw new RuntimeException(e);
     }
   }
 
@@ -108,7 +107,7 @@ public class XmlTransformer {
       this.jaxbContext = initJaxbContext(pakkage, schemaNamesToFilenames.keySet());
       this.schema = loadXmlSchemas(ImmutableList.copyOf(schemaNamesToFilenames.values()));
     } catch (JAXBException e) {
-      throw Throwables.propagate(e);
+      throw new RuntimeException(e);
     }
   }