diff --git a/transport/HidlBinderSupport.cpp b/transport/HidlBinderSupport.cpp
index 62b1755..f3af124 100644
--- a/transport/HidlBinderSupport.cpp
+++ b/transport/HidlBinderSupport.cpp
@@ -163,20 +163,6 @@
             parentOffset + hidl_string::kOffsetOfBuffer);
 }
 
-android::status_t writeToParcel(const hidl_version &version, android::hardware::Parcel& parcel) {
-    return parcel.writeUint32(static_cast<uint32_t>(version.get_major()) << 16 | version.get_minor());
-}
-
-hidl_version* readFromParcel(const android::hardware::Parcel& parcel) {
-    uint32_t version;
-    android::status_t status = parcel.readUint32(&version);
-    if (status != OK) {
-        return nullptr;
-    } else {
-        return new hidl_version(version >> 16, version & 0xFFFF);
-    }
-}
-
 status_t readFromParcel(Status *s, const Parcel& parcel) {
     int32_t exception;
     status_t status = parcel.readInt32(&exception);
diff --git a/transport/include/hidl/HidlBinderSupport.h b/transport/include/hidl/HidlBinderSupport.h
index 7674e70..5dec5cd 100644
--- a/transport/include/hidl/HidlBinderSupport.h
+++ b/transport/include/hidl/HidlBinderSupport.h
@@ -28,7 +28,7 @@
 #include <hwbinder/Parcel.h>
 #include <log/log.h>  // TODO(b/65843592): remove. Too many users depending on this transitively.
 
-// Defines functions for hidl_string, hidl_version, Status, hidl_vec, MQDescriptor,
+// Defines functions for hidl_string, Status, hidl_vec, MQDescriptor,
 // etc. to interact with Parcel.
 
 namespace android {
@@ -72,13 +72,6 @@
 status_t writeEmbeddedToParcel(const hidl_string &string,
         Parcel *parcel, size_t parentHandle, size_t parentOffset);
 
-// ---------------------- hidl_version
-
-status_t writeToParcel(const hidl_version &version, android::hardware::Parcel& parcel);
-
-// Caller is responsible for freeing the returned object.
-hidl_version* readFromParcel(const android::hardware::Parcel& parcel);
-
 // ---------------------- Status
 
 // Bear in mind that if the client or service is a Java endpoint, this