diff --git a/api/jsep.h b/api/jsep.h
index 7b4934aa66..86f4162f84 100644
--- a/api/jsep.h
+++ b/api/jsep.h
@@ -112,7 +112,7 @@ enum class SdpType {
 
 // Returns the string form of the given SDP type. String forms are defined in
 // SessionDescriptionInterface.
-const char* SdpTypeToString(SdpType type);
+RTC_EXPORT const char* SdpTypeToString(SdpType type);
 
 // Returns the SdpType from its string form. The string form can be one of the
 // constants defined in SessionDescriptionInterface. Passing in any other string
diff --git a/pc/sdp_utils.h b/pc/sdp_utils.h
index 5e765fa586..fc4b289f91 100644
--- a/pc/sdp_utils.h
+++ b/pc/sdp_utils.h
@@ -17,17 +17,18 @@
 
 #include "api/jsep.h"
 #include "pc/session_description.h"
+#include "rtc_base/system/rtc_export.h"
 
 namespace webrtc {
 
 // Returns a copy of the given session description.
-std::unique_ptr<SessionDescriptionInterface> CloneSessionDescription(
+RTC_EXPORT std::unique_ptr<SessionDescriptionInterface> CloneSessionDescription(
     const SessionDescriptionInterface* sdesc);
 
 // Returns a copy of the given session description with the type changed.
-std::unique_ptr<SessionDescriptionInterface> CloneSessionDescriptionAsType(
-    const SessionDescriptionInterface* sdesc,
-    SdpType type);
+RTC_EXPORT std::unique_ptr<SessionDescriptionInterface>
+CloneSessionDescriptionAsType(const SessionDescriptionInterface* sdesc,
+                              SdpType type);
 
 // Function that takes a single session description content with its
 // corresponding transport and produces a boolean.