diff --git a/kotlinx-coroutines-core/common/src/channels/AbstractChannel.kt b/kotlinx-coroutines-core/common/src/channels/AbstractChannel.kt
index 8edd2b310c..87bd43714d 100644
--- a/kotlinx-coroutines-core/common/src/channels/AbstractChannel.kt
+++ b/kotlinx-coroutines-core/common/src/channels/AbstractChannel.kt
@@ -635,6 +635,7 @@ internal abstract class AbstractChannel<E>(
         cancelInternal(cause)
 
     final override fun cancel(cause: CancellationException?) {
+        if (isClosedForReceive) return // Do not create an exception if channel is already cancelled
         cancelInternal(cause ?: CancellationException("$classSimpleName was cancelled"))
     }
 
diff --git a/kotlinx-coroutines-core/common/src/channels/ChannelCoroutine.kt b/kotlinx-coroutines-core/common/src/channels/ChannelCoroutine.kt
index a75d466199..9ceb77ddc2 100644
--- a/kotlinx-coroutines-core/common/src/channels/ChannelCoroutine.kt
+++ b/kotlinx-coroutines-core/common/src/channels/ChannelCoroutine.kt
@@ -26,6 +26,7 @@ internal open class ChannelCoroutine<E>(
     }
 
     final override fun cancel(cause: CancellationException?) {
+        if (isClosedForReceive) return // Do not create an exception if channel is already cancelled
         cancelInternal(cause ?: defaultCancellationException())
     }
 
diff --git a/kotlinx-coroutines-core/common/src/flow/internal/Combine.kt b/kotlinx-coroutines-core/common/src/flow/internal/Combine.kt
index bbdebd08b9..d276e5100a 100644
--- a/kotlinx-coroutines-core/common/src/flow/internal/Combine.kt
+++ b/kotlinx-coroutines-core/common/src/flow/internal/Combine.kt
@@ -137,7 +137,7 @@ internal fun <T1, T2, R> zipImpl(flow: Flow<T1>, flow2: Flow<T2>, transform: sus
             } catch (e: AbortFlowException) {
                 e.checkOwnership(owner = this@unsafeFlow)
             } finally {
-                if (!second.isClosedForReceive) second.cancel()
+                second.cancel()
             }
         }
     }