diff --git a/idea/src/org/jetbrains/kotlin/idea/injection/KotlinLanguageInjector.kt b/idea/src/org/jetbrains/kotlin/idea/injection/KotlinLanguageInjector.kt
index 14bf9cfb0bf..ba6881b19f5 100644
--- a/idea/src/org/jetbrains/kotlin/idea/injection/KotlinLanguageInjector.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/injection/KotlinLanguageInjector.kt
@@ -38,7 +38,6 @@ import org.intellij.plugins.intelliLang.util.AnnotationUtilEx
 import org.jetbrains.kotlin.descriptors.FunctionDescriptor
 import org.jetbrains.kotlin.idea.caches.resolve.analyze
 import org.jetbrains.kotlin.idea.references.KtReference
-import org.jetbrains.kotlin.idea.runInReadActionWithWriteActionPriorityWithPCE
 import org.jetbrains.kotlin.idea.util.ProjectRootsUtil
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.psi.*
@@ -78,15 +77,17 @@ class KotlinLanguageInjector(
         val modificationCount = PsiManager.getInstance(project).modificationTracker.modificationCount
 
         val baseInjection = when {
-            needImmediateAnswer -> kotlinCachedInjection?.baseInjection ?: ABSENT_KOTLIN_INJECTION
+            needImmediateAnswer -> {
+                // Can't afford long counting or typing will be laggy. Force cache reuse even if it's outdated.
+                kotlinCachedInjection?.baseInjection ?: ABSENT_KOTLIN_INJECTION
+            }
             kotlinCachedInjection != null && (modificationCount == kotlinCachedInjection.modificationCount) ->
+                // Cache is up-to-date
                 kotlinCachedInjection.baseInjection
             else -> {
-                runInReadActionWithWriteActionPriorityWithPCE {
-                    val computedInjection = computeBaseInjection(ktHost, support, registrar) ?: ABSENT_KOTLIN_INJECTION
-                    ktHost.cachedInjectionWithModification = KotlinCachedInjection(modificationCount, computedInjection)
-                    computedInjection
-                }
+                val computedInjection = computeBaseInjection(ktHost, support, registrar) ?: ABSENT_KOTLIN_INJECTION
+                ktHost.cachedInjectionWithModification = KotlinCachedInjection(modificationCount, computedInjection)
+                computedInjection
             }
         }