diff --git a/build.gradle b/build.gradle
index 5fd6c8e84e..6935190f47 100644
--- a/build.gradle
+++ b/build.gradle
@@ -140,6 +140,10 @@ allprojects {
     apply plugin: 'org.owasp.dependencycheck'
     apply plugin: 'kotlin-allopen'
 
+    // This line works around a serious performance regression in the Kotlin 1.2.50 gradle plugin, it's fixed in 1.2.51
+    // TODO: Remove when we upgrade past Kotlin 1.2.51
+    inspectClassesForKotlinIC.enabled = false
+
     allOpen {
         annotations(
                 "javax.persistence.Entity",