diff --git a/android/guava/src/com/google/common/base/Platform.java b/android/guava/src/com/google/common/base/Platform.java
index 98418f442188..26c5c297fd92 100644
--- a/android/guava/src/com/google/common/base/Platform.java
+++ b/android/guava/src/com/google/common/base/Platform.java
@@ -14,9 +14,6 @@
 
 package com.google.common.base;
 
-import static com.google.common.base.Strings.lenientFormat;
-import static java.lang.Boolean.parseBoolean;
-
 import com.google.common.annotations.GwtCompatible;
 import java.lang.ref.WeakReference;
 import java.util.Locale;
@@ -103,18 +100,5 @@ public boolean isPcreLike() {
     }
   }
 
-  private static final String GWT_RPC_PROPERTY_NAME = "guava.gwt.emergency_reenable_rpc";
-
-  static void checkGwtRpcEnabled() {
-    if (!parseBoolean(System.getProperty(GWT_RPC_PROPERTY_NAME, "true"))) {
-      throw new UnsupportedOperationException(
-          lenientFormat(
-              "We are removing GWT-RPC support for Guava types. You can temporarily reenable"
-                  + " support by setting the system property %s to true. For more about system"
-                  + " properties, see %s. For more about Guava's GWT-RPC support, see %s.",
-              GWT_RPC_PROPERTY_NAME,
-              "https://stackoverflow.com/q/5189914/28465",
-              "https://groups.google.com/d/msg/guava-announce/zHZTFg7YF3o/rQNnwdHeEwAJ"));
-    }
-  }
+  static void checkGwtRpcEnabled() {}
 }
diff --git a/android/guava/src/com/google/common/collect/Platform.java b/android/guava/src/com/google/common/collect/Platform.java
index f5e24de98628..e4d1c4c5fd15 100644
--- a/android/guava/src/com/google/common/collect/Platform.java
+++ b/android/guava/src/com/google/common/collect/Platform.java
@@ -16,9 +16,6 @@
 
 package com.google.common.collect;
 
-import static com.google.common.base.Strings.lenientFormat;
-import static java.lang.Boolean.parseBoolean;
-
 import com.google.common.annotations.GwtCompatible;
 import java.lang.reflect.Array;
 import java.util.Arrays;
@@ -112,20 +109,7 @@ static int reduceExponentIfGwt(int exponent) {
     return exponent;
   }
 
-  private static final String GWT_RPC_PROPERTY_NAME = "guava.gwt.emergency_reenable_rpc";
-
-  static void checkGwtRpcEnabled() {
-    if (!parseBoolean(System.getProperty(GWT_RPC_PROPERTY_NAME, "true"))) {
-      throw new UnsupportedOperationException(
-          lenientFormat(
-              "We are removing GWT-RPC support for Guava types. You can temporarily reenable"
-                  + " support by setting the system property %s to true. For more about system"
-                  + " properties, see %s. For more about Guava's GWT-RPC support, see %s.",
-              GWT_RPC_PROPERTY_NAME,
-              "https://stackoverflow.com/q/5189914/28465",
-              "https://groups.google.com/d/msg/guava-announce/zHZTFg7YF3o/rQNnwdHeEwAJ"));
-    }
-  }
+  static void checkGwtRpcEnabled() {}
 
   private Platform() {}
 }
diff --git a/android/guava/src/com/google/common/primitives/Platform.java b/android/guava/src/com/google/common/primitives/Platform.java
index f66081e7596d..82b902b9ccba 100644
--- a/android/guava/src/com/google/common/primitives/Platform.java
+++ b/android/guava/src/com/google/common/primitives/Platform.java
@@ -14,28 +14,12 @@
 
 package com.google.common.primitives;
 
-import static com.google.common.base.Strings.lenientFormat;
-import static java.lang.Boolean.parseBoolean;
-
 import com.google.common.annotations.GwtCompatible;
 
 /** Methods factored out so that they can be emulated differently in GWT. */
 @GwtCompatible(emulated = true)
 final class Platform {
-  private static final String GWT_RPC_PROPERTY_NAME = "guava.gwt.emergency_reenable_rpc";
-
-  static void checkGwtRpcEnabled() {
-    if (!parseBoolean(System.getProperty(GWT_RPC_PROPERTY_NAME, "true"))) {
-      throw new UnsupportedOperationException(
-          lenientFormat(
-              "We are removing GWT-RPC support for Guava types. You can temporarily reenable"
-                  + " support by setting the system property %s to true. For more about system"
-                  + " properties, see %s. For more about Guava's GWT-RPC support, see %s.",
-              GWT_RPC_PROPERTY_NAME,
-              "https://stackoverflow.com/q/5189914/28465",
-              "https://groups.google.com/d/msg/guava-announce/zHZTFg7YF3o/rQNnwdHeEwAJ"));
-    }
-  }
+  static void checkGwtRpcEnabled() {}
 
   private Platform() {}
 }
diff --git a/guava/src/com/google/common/base/Platform.java b/guava/src/com/google/common/base/Platform.java
index a77a42347022..54b2dfcc861e 100644
--- a/guava/src/com/google/common/base/Platform.java
+++ b/guava/src/com/google/common/base/Platform.java
@@ -14,9 +14,6 @@
 
 package com.google.common.base;
 
-import static com.google.common.base.Strings.lenientFormat;
-import static java.lang.Boolean.parseBoolean;
-
 import com.google.common.annotations.GwtCompatible;
 import java.lang.ref.WeakReference;
 import java.util.Locale;
@@ -98,22 +95,22 @@ public boolean isPcreLike() {
     }
   }
 
-  private static final String GWT_RPC_PROPERTY_NAME = "guava.gwt.emergency_reenable_rpc";
-
   static void checkGwtRpcEnabled() {
-    if (!parseBoolean(System.getProperty(GWT_RPC_PROPERTY_NAME, "true"))) {
+    String propertyName = "guava.gwt.emergency_reenable_rpc";
+
+    if (!Boolean.parseBoolean(System.getProperty(propertyName, "false"))) {
       throw new UnsupportedOperationException(
-          lenientFormat(
+          Strings.lenientFormat(
               "We are removing GWT-RPC support for Guava types. You can temporarily reenable"
                   + " support by setting the system property %s to true. For more about system"
                   + " properties, see %s. For more about Guava's GWT-RPC support, see %s.",
-              GWT_RPC_PROPERTY_NAME,
+              propertyName,
               "https://stackoverflow.com/q/5189914/28465",
               "https://groups.google.com/d/msg/guava-announce/zHZTFg7YF3o/rQNnwdHeEwAJ"));
     }
     logger.log(
         java.util.logging.Level.WARNING,
-        "In January 2020, we will remove GWT-RPC support for Guava types. You are seeing this"
+        "Later in 2020, we will remove GWT-RPC support for Guava types. You are seeing this"
             + " warning because you are sending a Guava type over GWT-RPC, which will break. You"
             + " can identify which type by looking at the class name in the attached stack trace.",
         new Throwable());
diff --git a/guava/src/com/google/common/collect/Platform.java b/guava/src/com/google/common/collect/Platform.java
index d3b994f14137..d4afd3299ca6 100644
--- a/guava/src/com/google/common/collect/Platform.java
+++ b/guava/src/com/google/common/collect/Platform.java
@@ -16,9 +16,6 @@
 
 package com.google.common.collect;
 
-import static com.google.common.base.Strings.lenientFormat;
-import static java.lang.Boolean.parseBoolean;
-
 import com.google.common.annotations.GwtCompatible;
 import java.lang.reflect.Array;
 import java.util.Arrays;
@@ -115,22 +112,22 @@ static int reduceExponentIfGwt(int exponent) {
     return exponent;
   }
 
-  private static final String GWT_RPC_PROPERTY_NAME = "guava.gwt.emergency_reenable_rpc";
-
   static void checkGwtRpcEnabled() {
-    if (!parseBoolean(System.getProperty(GWT_RPC_PROPERTY_NAME, "true"))) {
+    String propertyName = "guava.gwt.emergency_reenable_rpc";
+
+    if (!Boolean.parseBoolean(System.getProperty(propertyName, "false"))) {
       throw new UnsupportedOperationException(
-          lenientFormat(
+          com.google.common.base.Strings.lenientFormat(
               "We are removing GWT-RPC support for Guava types. You can temporarily reenable"
                   + " support by setting the system property %s to true. For more about system"
                   + " properties, see %s. For more about Guava's GWT-RPC support, see %s.",
-              GWT_RPC_PROPERTY_NAME,
+              propertyName,
               "https://stackoverflow.com/q/5189914/28465",
               "https://groups.google.com/d/msg/guava-announce/zHZTFg7YF3o/rQNnwdHeEwAJ"));
     }
     logger.log(
         java.util.logging.Level.WARNING,
-        "In January 2020, we will remove GWT-RPC support for Guava types. You are seeing this"
+        "Later in 2020, we will remove GWT-RPC support for Guava types. You are seeing this"
             + " warning because you are sending a Guava type over GWT-RPC, which will break. You"
             + " can identify which type by looking at the class name in the attached stack trace.",
         new Throwable());
diff --git a/guava/src/com/google/common/primitives/Platform.java b/guava/src/com/google/common/primitives/Platform.java
index 7006bafb8183..1273c043bc1c 100644
--- a/guava/src/com/google/common/primitives/Platform.java
+++ b/guava/src/com/google/common/primitives/Platform.java
@@ -14,9 +14,6 @@
 
 package com.google.common.primitives;
 
-import static com.google.common.base.Strings.lenientFormat;
-import static java.lang.Boolean.parseBoolean;
-
 import com.google.common.annotations.GwtCompatible;
 
 /** Methods factored out so that they can be emulated differently in GWT. */
@@ -25,22 +22,22 @@ final class Platform {
   private static final java.util.logging.Logger logger =
       java.util.logging.Logger.getLogger(Platform.class.getName());
 
-  private static final String GWT_RPC_PROPERTY_NAME = "guava.gwt.emergency_reenable_rpc";
-
   static void checkGwtRpcEnabled() {
-    if (!parseBoolean(System.getProperty(GWT_RPC_PROPERTY_NAME, "true"))) {
+    String propertyName = "guava.gwt.emergency_reenable_rpc";
+
+    if (!Boolean.parseBoolean(System.getProperty(propertyName, "false"))) {
       throw new UnsupportedOperationException(
-          lenientFormat(
+          com.google.common.base.Strings.lenientFormat(
               "We are removing GWT-RPC support for Guava types. You can temporarily reenable"
                   + " support by setting the system property %s to true. For more about system"
                   + " properties, see %s. For more about Guava's GWT-RPC support, see %s.",
-              GWT_RPC_PROPERTY_NAME,
+              propertyName,
               "https://stackoverflow.com/q/5189914/28465",
               "https://groups.google.com/d/msg/guava-announce/zHZTFg7YF3o/rQNnwdHeEwAJ"));
     }
     logger.log(
         java.util.logging.Level.WARNING,
-        "In January 2020, we will remove GWT-RPC support for Guava types. You are seeing this"
+        "Later in 2020, we will remove GWT-RPC support for Guava types. You are seeing this"
             + " warning because you are sending a Guava type over GWT-RPC, which will break. You"
             + " can identify which type by looking at the class name in the attached stack trace.",
         new Throwable());