diff --git a/CHANGELOG.md b/CHANGELOG.md
index 789361078b..f46d009494 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ BREAKING CHANGES
 * Signers of a transaction now only sign over their account and sequence number
 * Removed MsgChangePubKey from auth
 * Removed setPubKey from account mapper
+* Removed GetMemo from Tx (it is still on StdTx)
 
 FEATURES
 * [gaiacli] You can now attach a simple text-only memo to any transaction, with the `--memo` flag
diff --git a/types/tx_msg.go b/types/tx_msg.go
index 0ed49906f0..12146f5b73 100644
--- a/types/tx_msg.go
+++ b/types/tx_msg.go
@@ -31,9 +31,6 @@ type Tx interface {
 
 	// Gets the Msg.
 	GetMsgs() []Msg
-
-	// Gets the memo.
-	GetMemo() string
 }
 
 //__________________________________________________________
diff --git a/x/auth/ante.go b/x/auth/ante.go
index 946a278e61..616ffd2cf2 100644
--- a/x/auth/ante.go
+++ b/x/auth/ante.go
@@ -38,7 +38,7 @@ func NewAnteHandler(am AccountMapper, fck FeeCollectionKeeper) sdk.AnteHandler {
 				true
 		}
 
-		memo := tx.GetMemo()
+		memo := stdTx.GetMemo()
 
 		if len(memo) > maxMemoCharacters {
 			return ctx,
@@ -85,7 +85,7 @@ func NewAnteHandler(am AccountMapper, fck FeeCollectionKeeper) sdk.AnteHandler {
 			signerAddr, sig := signerAddrs[i], sigs[i]
 
 			// check signature, return account with incremented nonce
-			signBytes := StdSignBytes(ctx.ChainID(), accNums[i], sequences[i], fee, msgs, tx.GetMemo())
+			signBytes := StdSignBytes(ctx.ChainID(), accNums[i], sequences[i], fee, msgs, stdTx.GetMemo())
 			signerAcc, res := processSig(
 				ctx, am,
 				signerAddr, sig, signBytes,