diff --git a/x/commitment/types/commitments.go b/x/commitment/types/commitments.go
index 960c620f8..5c9062906 100644
--- a/x/commitment/types/commitments.go
+++ b/x/commitment/types/commitments.go
@@ -44,24 +44,6 @@ func (c *Commitments) AddCommittedTokens(denom string, amount math.Int, unlockTi
 				Amount:          amount,
 				UnlockTimestamp: unlockTime,
 			})
-
-			li := int(0)
-			for _, lockup := range token.Lockups {
-				if lockup.UnlockTimestamp < unlockTime {
-					li++
-					continue
-				} else if lockup.UnlockTimestamp == unlockTime {
-					c.CommittedTokens[i].Lockups[li].Amount = lockup.Amount.Add(amount)
-					return
-				} else {
-					break
-				}
-			}
-			c.CommittedTokens[i].Lockups = append(token.Lockups[:li+1], token.Lockups[li:]...)
-			c.CommittedTokens[i].Lockups[li] = Lockup{
-				Amount:          amount,
-				UnlockTimestamp: unlockTime,
-			}
 			return
 		}
 	}
diff --git a/x/commitment/types/commitments_test.go b/x/commitment/types/commitments_test.go
index bd4136f1a..0146b902e 100644
--- a/x/commitment/types/commitments_test.go
+++ b/x/commitment/types/commitments_test.go
@@ -25,6 +25,15 @@ func TestCommitments_AddCommittedTokens(t *testing.T) {
 	require.Equal(t, commitments.CommittedTokens[0].Lockups[0].Amount.String(), "100")
 	require.Equal(t, commitments.CommittedTokens[0].Lockups[0].UnlockTimestamp, uint64(100))
 	require.Len(t, commitments.CommittedTokens[1].Lockups, 1)
+
+	commitments.AddCommittedTokens("lp/3", sdk.NewInt(1000), 100)
+	commitments.AddCommittedTokens("lp/3", sdk.NewInt(2000), 120)
+	commitments.AddCommittedTokens("lp/3", sdk.NewInt(3000), 130)
+
+	require.Equal(t, commitments.CommittedTokens[2].Lockups[0].Amount.String(), "1000")
+	require.Equal(t, commitments.CommittedTokens[2].Lockups[1].Amount.String(), "2000")
+	require.Equal(t, commitments.CommittedTokens[2].Lockups[2].Amount.String(), "3000")
+
 }
 
 func TestCommitments_WithdrawCommitedTokens(t *testing.T) {
@@ -48,3 +57,18 @@ func TestCommitments_WithdrawCommitedTokens(t *testing.T) {
 	err = commitments.DeductFromCommitted("lp/2", sdk.NewInt(200), 100)
 	require.Error(t, err)
 }
+
+func TestLockupAmount_WithdrawCommited(t *testing.T) {
+	commitments := types.Commitments{
+		Creator:         "",
+		CommittedTokens: []*types.CommittedTokens{},
+		VestingTokens:   []*types.VestingTokens{},
+	}
+
+	commitments.AddCommittedTokens("lp/1", sdk.NewInt(1000), 1)
+	commitments.AddCommittedTokens("lp/1", sdk.NewInt(5000), 2)
+	commitments.AddCommittedTokens("lp/1", sdk.NewInt(3000), 4)
+
+	err := commitments.DeductFromCommitted("lp/1", sdk.NewInt(9000), 3)
+	require.Error(t, err)
+}