diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/file/builder/LLFirLockProvider.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/file/builder/LLFirLockProvider.kt
index 5e7b93e9cc3..816f33c7f93 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/file/builder/LLFirLockProvider.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/file/builder/LLFirLockProvider.kt
@@ -35,14 +35,7 @@ internal class LLFirLockProvider(private val checker: LLFirLazyResolveContractCh
     ): R {
         if (!globalLockEnabled) return action()
 
-        return globalLock.lockWithPCECheck(lockingIntervalMs) {
-            val session = key.llFirSession
-            if (!session.isValid) {
-                val description = session.ktModule.moduleDescription
-                throw InvalidSessionException("Session '$description' is invalid", description)
-            }
-            action()
-        }
+        return globalLock.lockWithPCECheck(lockingIntervalMs, action)
     }
 
     fun withGlobalPhaseLock(
@@ -229,6 +222,4 @@ private val globalLockEnabled: Boolean by lazy(LazyThreadSafetyMode.PUBLICATION)
     Registry.`is`("kotlin.parallel.resolve.under.global.lock", false)
 }
 
-private const val DEFAULT_LOCKING_INTERVAL = 50L
-
-internal class InvalidSessionException(message: String, val moduleDescription: String) : RuntimeException(message)
+private const val DEFAULT_LOCKING_INTERVAL = 50L
\ No newline at end of file
diff --git a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/lazy/resolve/LLFirModuleLazyDeclarationResolver.kt b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/lazy/resolve/LLFirModuleLazyDeclarationResolver.kt
index 0e21c8890ff..9bca87d1029 100644
--- a/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/lazy/resolve/LLFirModuleLazyDeclarationResolver.kt
+++ b/analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/lazy/resolve/LLFirModuleLazyDeclarationResolver.kt
@@ -11,7 +11,6 @@ import org.jetbrains.kotlin.analysis.low.level.api.fir.api.targets.LLFirResolveT
 import org.jetbrains.kotlin.analysis.low.level.api.fir.api.targets.LLFirSingleResolveTarget
 import org.jetbrains.kotlin.analysis.low.level.api.fir.api.targets.LLFirWholeClassResolveTarget
 import org.jetbrains.kotlin.analysis.low.level.api.fir.api.targets.LLFirWholeFileResolveTarget
-import org.jetbrains.kotlin.analysis.low.level.api.fir.file.builder.InvalidSessionException
 import org.jetbrains.kotlin.analysis.low.level.api.fir.project.structure.llFirModuleData
 import org.jetbrains.kotlin.analysis.low.level.api.fir.sessions.LLFirSession
 import org.jetbrains.kotlin.analysis.low.level.api.fir.sessions.llFirSession
@@ -209,10 +208,6 @@ private fun handleExceptionFromResolve(
     fromPhase: FirResolvePhase,
     toPhase: FirResolvePhase,
 ): Nothing {
-    if (exception is InvalidSessionException) {
-        throw exception
-    }
-
     val session = firDeclarationToResolve.llFirSession
     val moduleData = firDeclarationToResolve.llFirModuleData
     val module = moduleData.ktModule
@@ -242,10 +237,6 @@ private fun handleExceptionFromResolve(
     designation: LLFirResolveTarget,
     toPhase: FirResolvePhase,
 ): Nothing {
-    if (exception is InvalidSessionException) {
-        throw exception
-    }
-
     val session = designation.firFile.llFirSession
     val moduleData = session.llFirModuleData
     val module = moduleData.ktModule