diff --git a/Sources/Sentry/include/HybridPublic/SentryEnvelope.h b/Sources/Sentry/include/HybridPublic/SentryEnvelope.h
index 8006c6d07ac..d9d55084c72 100644
--- a/Sources/Sentry/include/HybridPublic/SentryEnvelope.h
+++ b/Sources/Sentry/include/HybridPublic/SentryEnvelope.h
@@ -8,8 +8,12 @@
 
 #endif
 
-@class SentryEvent, SentrySession, SentryId, SentryUserFeedback, SentryAttachment,
-    SentryTransaction, SentryClientReport, SentryEnvelopeItemHeader;
+@class SentryEvent;
+@class SentrySession;
+@class SentryId;
+@class SentryUserFeedback;
+@class SentryAttachment;
+@class SentryEnvelopeItemHeader;
 
 NS_ASSUME_NONNULL_BEGIN
 
diff --git a/Sources/Sentry/include/SentryEnvelope+Private.h b/Sources/Sentry/include/SentryEnvelope+Private.h
index 98682fa1a2f..faedf16321d 100644
--- a/Sources/Sentry/include/SentryEnvelope+Private.h
+++ b/Sources/Sentry/include/SentryEnvelope+Private.h
@@ -2,6 +2,8 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+@class SentryClientReport;
+
 @interface
 SentryEnvelopeItem ()