diff --git a/build.gradle b/build.gradle
index 87ae0326b1..1710ae0987 100644
--- a/build.gradle
+++ b/build.gradle
@@ -171,7 +171,7 @@ allprojects {
             jvmTarget = "1.8"
             javaParameters = true   // Useful for reflection.
             freeCompilerArgs = ['-Xjvm-default=compatibility']
-            allWarningsAsErrors = project.hasProperty('compilation.allWarningsAsErrors') ? project.property('compilation.allWarningsAsErrors').toBoolean() : true
+            allWarningsAsErrors = project.hasProperty('compilation.allWarningsAsErrors') ? project.property('compilation.allWarningsAsErrors').toBoolean() : false
         }
     }
 
@@ -187,7 +187,7 @@ allprojects {
     }
 
     tasks.withType(Test) {
-        failFast = project.hasProperty('tests.failFast') ? project.property('tests.failFast').toBoolean() : true
+        failFast = project.hasProperty('tests.failFast') ? project.property('tests.failFast').toBoolean() : false
 
         // Prevent the project from creating temporary files outside of the build directory.
         systemProperty 'java.io.tmpdir', buildDir.absolutePath