diff --git a/project/BasicSettings.scala b/project/BasicSettings.scala
index 78273aa..3c9fb1d 100644
--- a/project/BasicSettings.scala
+++ b/project/BasicSettings.scala
@@ -14,14 +14,15 @@ trait BasicSettings extends ProjectSettings { st: SettingTemplate =>
   lazy val optimize       = boolFlag("OPTIMIZE") orElse boolFlag("OPTIMISE") getOrElse defaultOptimize
   lazy val optimizeGlobal = boolFlag("OPTIMIZE_GLOBAL") getOrElse defaultOptimizeGlobal
   lazy val optimizeWarn   = boolFlag("OPTIMIZE_WARNINGS") getOrElse false
+  lazy val disableAsserts = boolFlag("DISABLE_ASSERTIONS") getOrElse defaultDisableAssertions
   lazy val noFatalWarn    = boolFlag("NO_FATAL_WARNINGS") getOrElse false
   lazy val deprecation    = boolFlag("NO_DEPRECATION") map (!_) getOrElse true
-  lazy val inlineWarn     = boolFlag("INLINE_WARNINGS") getOrElse false
+  lazy val inlineWarn     = boolFlag("INLINE_WARNINGS") getOrElse defaultWarnInline
   lazy val debug          = boolFlag("DEBUGGER") getOrElse false
   lazy val debugPort      = intFlag("DEBUGGER_PORT", 5050)
   lazy val debugSuspend   = boolFlag("DEBUGGER_SUSPEND") getOrElse true
-  lazy val unusedWarn     = boolFlag("UNUSED_WARNINGS") getOrElse false
-  lazy val importWarn     = boolFlag("IMPORT_WARNINGS") getOrElse false
+  lazy val unusedWarn     = boolFlag("UNUSED_WARNINGS") getOrElse defaultWarnUnused
+  lazy val importWarn     = boolFlag("IMPORT_WARNINGS") getOrElse defaultWarnImport
   lazy val findbugsHtml   = boolFlag("FINDBUGS_HTML") getOrElse !isJenkins
   lazy val newBackend     = boolFlag("NEW_BCODE_BACKEND") getOrElse defaultNewBackend
   lazy val noBuildDocs    = boolFlag("NO_SBT_DOCS").getOrElse(false) && !isJenkins
@@ -89,6 +90,9 @@ trait BasicSettings extends ProjectSettings { st: SettingTemplate =>
       if (sv.backend == SupportsNewBackend && newBackend) {
         options :+= "-Ybackend:GenBCode"
       }
+      if (disableAsserts) {
+        options :+= "-Xdisable-assertions"
+      }
 
       options
     }
@@ -145,7 +149,8 @@ trait BasicSettings extends ProjectSettings { st: SettingTemplate =>
 
   def addScalacOptions(optim: Boolean = optimize) = new Def.SettingList(Seq(
     basicScalacOptions,
-    optimizationScalacOptions(optim)
+    optimizationScalacOptions(optim),
+    scalacOptions ++= extraScalacOptions
   ))
 
   def addJavacOptions() = Def.derive {
diff --git a/project/SettingTemplate.scala b/project/SettingTemplate.scala
index 6e523ff..02d33c8 100644
--- a/project/SettingTemplate.scala
+++ b/project/SettingTemplate.scala
@@ -19,6 +19,11 @@ trait SettingTemplate {
   val defaultOptimize: Boolean = true
   val defaultOptimizeGlobal: Boolean = false
   val inlinePatterns: Seq[String] = Seq("!akka.**","!slick.**")
+  val defaultDisableAssertions: Boolean = false
+  val defaultWarnUnused: Boolean = false
+  val defaultWarnImport: Boolean = false
+  val defaultWarnInline: Boolean = false
+  val extraScalacOptions: Seq[String] = Seq.empty
   val autoAddCompileOptions: Boolean = true
 
   val parallelBuild: Boolean = true