diff --git a/hledger-lib/Hledger/Data/Timeclock.hs b/hledger-lib/Hledger/Data/Timeclock.hs
index 46f076c82..281fe29d6 100644
--- a/hledger-lib/Hledger/Data/Timeclock.hs
+++ b/hledger-lib/Hledger/Data/Timeclock.hs
@@ -184,7 +184,6 @@ timeclockToTransactions now entries0 = transactions
 errorExpectedCodeButGot :: TimeclockCode -> TimeclockEntry -> a
 errorExpectedCodeButGot expected actual = error' $ printf
   ("%s:\n%s\n%s\n\nExpected a timeclock %s entry but got %s.\n"
-  ++"Only one session may be clocked in at a time.\n"
   ++"Please alternate i and o, beginning with i.")
   (sourcePosPretty $ tlsourcepos actual)
   (l ++ " | " ++ show actual)
diff --git a/hledger/test/errors/README.md b/hledger/test/errors/README.md
index 00a467a90..1f92f63f4 100644
--- a/hledger/test/errors/README.md
+++ b/hledger/test/errors/README.md
@@ -354,7 +354,6 @@ hledger: Error: /Users/simon/src/hledger/hledger/test/errors/./tcorderedactions.
   | ^
 
 Expected a timeclock o entry but got i.
-Only one session may be clocked in at a time.
 Please alternate i and o, beginning with i.
 ```