diff --git a/profiler/profile.go b/profiler/profile.go
index c5eae36acf..d987c410cc 100644
--- a/profiler/profile.go
+++ b/profiler/profile.go
@@ -576,6 +576,13 @@ func (cdp *comparingDeltaProfiler) reportError(error string, extraTags ...string
 // profile. Samples that end up with a delta of 0 are dropped. WARNING: Profile
 // a will be mutated by this function. You should pass a copy if that's
 // undesirable.
+//
+// Deprecated: This function was introduced into our public API unintentionally.
+// It will be removed in the next release. If you need this functionality,
+// it can be implemented in two lines:
+//
+//	a.Scale(-1)
+//	return pprofile.Merge([]*pprofile.Profile{a, b})
 func PprofDiff(a, b *pprofile.Profile) (*pprofile.Profile, error) {
 	a.Scale(-1)
 	return pprofile.Merge([]*pprofile.Profile{a, b})