diff --git a/x/mint/client/cli/query_test.go b/x/mint/client/cli/query_test.go
index 9e9a7620..c30df331 100644
--- a/x/mint/client/cli/query_test.go
+++ b/x/mint/client/cli/query_test.go
@@ -46,17 +46,15 @@ func TestGetCmdQueryParams(t *testing.T) {
 			"json output",
 			[]string{fmt.Sprintf("--%s=1", flags.FlagHeight), fmt.Sprintf("--%s=json", flags.FlagOutput)},
 			`[--height=1 --output=json]`,
-			`{"mint_denom":"","inflation_coef":"0","bonding_adjustment":"0","target_bonding_ratio":"0","blocks_per_year":"0"}`,
+			`{"mint_denom":"","inflation_coef":"0","blocks_per_year":"0"}`,
 		},
 		{
 			"text output",
 			[]string{fmt.Sprintf("--%s=1", flags.FlagHeight), fmt.Sprintf("--%s=text", flags.FlagOutput)},
 			`[--height=1 --output=text]`,
 			`blocks_per_year: "0"
-bonding_adjustment: "0"
 inflation_coef: "0"
-mint_denom: ""
-target_bonding_ratio: "0"`,
+mint_denom: ""`,
 		},
 	}
 
diff --git a/x/mint/keeper/genesis_test.go b/x/mint/keeper/genesis_test.go
index cde34e40..959484a9 100644
--- a/x/mint/keeper/genesis_test.go
+++ b/x/mint/keeper/genesis_test.go
@@ -62,8 +62,6 @@ func (s *GenesisTestSuite) TestImportExportGenesis() {
 	genesisState.Params = types.NewParams(
 		"testDenom",
 		sdk.NewDecWithPrec(69, 2),
-		sdk.NewDecWithPrec(14, 2),
-		sdk.NewDecWithPrec(56, 2),
 		uint64(60*60*8766/5),
 	)
 
diff --git a/x/mint/keeper/keeper_test.go b/x/mint/keeper/keeper_test.go
index 40043068..4623bc10 100644
--- a/x/mint/keeper/keeper_test.go
+++ b/x/mint/keeper/keeper_test.go
@@ -77,44 +77,18 @@ func (s *IntegrationTestSuite) TestParams() {
 		{
 			name: "set invalid params",
 			input: types.Params{
-				MintDenom:          sdk.DefaultBondDenom,
-				BondingAdjustment:  sdk.NewDecWithPrec(-13, 2),
-				TargetBondingRatio: sdk.NewDecWithPrec(25, 2),
-				InflationCoef:      sdk.NewDecWithPrec(73, 2),
-				BlocksPerYear:      uint64(60 * 60 * 8766 / 5),
-			},
-			expectErr: true,
-		},
-		{
-			name: "set invalid params",
-			input: types.Params{
-				MintDenom:          sdk.DefaultBondDenom,
-				BondingAdjustment:  sdk.NewDecWithPrec(13, 2),
-				TargetBondingRatio: sdk.NewDecWithPrec(-25, 2),
-				InflationCoef:      sdk.NewDecWithPrec(73, 2),
-				BlocksPerYear:      uint64(60 * 60 * 8766 / 5),
-			},
-			expectErr: true,
-		},
-		{
-			name: "set invalid params",
-			input: types.Params{
-				MintDenom:          sdk.DefaultBondDenom,
-				BondingAdjustment:  sdk.NewDecWithPrec(13, 2),
-				TargetBondingRatio: sdk.NewDecWithPrec(25, 2),
-				InflationCoef:      sdk.NewDecWithPrec(-73, 2),
-				BlocksPerYear:      uint64(60 * 60 * 8766 / 5),
+				MintDenom:     sdk.DefaultBondDenom,
+				InflationCoef: sdk.NewDecWithPrec(-73, 2),
+				BlocksPerYear: uint64(60 * 60 * 8766 / 5),
 			},
 			expectErr: true,
 		},
 		{
 			name: "set full valid params",
 			input: types.Params{
-				MintDenom:          sdk.DefaultBondDenom,
-				BondingAdjustment:  sdk.NewDecWithPrec(13, 2),
-				TargetBondingRatio: sdk.NewDecWithPrec(25, 2),
-				InflationCoef:      sdk.NewDecWithPrec(73, 2),
-				BlocksPerYear:      uint64(60 * 60 * 8766 / 5),
+				MintDenom:     sdk.DefaultBondDenom,
+				InflationCoef: sdk.NewDecWithPrec(73, 2),
+				BlocksPerYear: uint64(60 * 60 * 8766 / 5),
 			},
 			expectErr: false,
 		},
diff --git a/x/mint/keeper/msg_server_test.go b/x/mint/keeper/msg_server_test.go
index 5e37463a..ac18821b 100644
--- a/x/mint/keeper/msg_server_test.go
+++ b/x/mint/keeper/msg_server_test.go
@@ -19,44 +19,14 @@ func (s *IntegrationTestSuite) TestUpdateParams() {
 			},
 			expectErr: true,
 		},
-		{
-			name: "set invalid params for bonding adjustment (negative value)",
-			request: &types.MsgUpdateParams{
-				Authority: s.mintKeeper.GetAuthority(),
-				Params: types.Params{
-					MintDenom:          sdk.DefaultBondDenom,
-					BondingAdjustment:  sdk.NewDecWithPrec(-13, 2),
-					TargetBondingRatio: sdk.NewDecWithPrec(25, 2),
-					InflationCoef:      sdk.NewDecWithPrec(73, 2),
-					BlocksPerYear:      uint64(60 * 60 * 8766 / 5),
-				},
-			},
-			expectErr: true,
-		},
-		{
-			name: "set invalid params for target bonding ratio (negative value)",
-			request: &types.MsgUpdateParams{
-				Authority: s.mintKeeper.GetAuthority(),
-				Params: types.Params{
-					MintDenom:          sdk.DefaultBondDenom,
-					BondingAdjustment:  sdk.NewDecWithPrec(13, 2),
-					TargetBondingRatio: sdk.NewDecWithPrec(-25, 2),
-					InflationCoef:      sdk.NewDecWithPrec(73, 2),
-					BlocksPerYear:      uint64(60 * 60 * 8766 / 5),
-				},
-			},
-			expectErr: true,
-		},
 		{
 			name: "set invalid params for inflation coef (negative value)",
 			request: &types.MsgUpdateParams{
 				Authority: s.mintKeeper.GetAuthority(),
 				Params: types.Params{
-					MintDenom:          sdk.DefaultBondDenom,
-					BondingAdjustment:  sdk.NewDecWithPrec(13, 2),
-					TargetBondingRatio: sdk.NewDecWithPrec(25, 2),
-					InflationCoef:      sdk.NewDecWithPrec(-73, 2),
-					BlocksPerYear:      uint64(60 * 60 * 8766 / 5),
+					MintDenom:     sdk.DefaultBondDenom,
+					InflationCoef: sdk.NewDecWithPrec(-73, 2),
+					BlocksPerYear: uint64(60 * 60 * 8766 / 5),
 				},
 			},
 			expectErr: true,
@@ -66,11 +36,9 @@ func (s *IntegrationTestSuite) TestUpdateParams() {
 			request: &types.MsgUpdateParams{
 				Authority: s.mintKeeper.GetAuthority(),
 				Params: types.Params{
-					MintDenom:          sdk.DefaultBondDenom,
-					BondingAdjustment:  sdk.NewDecWithPrec(13, 2),
-					TargetBondingRatio: sdk.NewDecWithPrec(25, 2),
-					InflationCoef:      sdk.NewDecWithPrec(73, 2),
-					BlocksPerYear:      uint64(60 * 60 * 8766 / 5),
+					MintDenom:     sdk.DefaultBondDenom,
+					InflationCoef: sdk.NewDecWithPrec(73, 2),
+					BlocksPerYear: uint64(60 * 60 * 8766 / 5),
 				},
 			},
 			expectErr: false,
diff --git a/x/mint/simulation/genesis_test.go b/x/mint/simulation/genesis_test.go
index 0c75c299..6fcdf4f9 100644
--- a/x/mint/simulation/genesis_test.go
+++ b/x/mint/simulation/genesis_test.go
@@ -44,22 +44,18 @@ func TestRandomizedGenState(t *testing.T) {
 	var mintGenesis types.GenesisState
 	simState.Cdc.MustUnmarshalJSON(simState.GenState[types.ModuleName], &mintGenesis)
 
-	dec1, _ := sdk.NewDecFromStr("0.073000000000000000")
-	dec2, _ := sdk.NewDecFromStr("2.500000000000000000")
-	dec3, _ := sdk.NewDecFromStr("0.660000000000000000")
+	inflationCoef := sdk.NewDecWithPrec(3, 2)
+	bondedRatio := sdk.NewDecWithPrec(2, 1)
+	minter, _ := types.NewMinterWithInflationCoef(inflationCoef, bondedRatio, simState.InitialStake)
 
 	require.Equal(t, uint64(6311520), mintGenesis.Params.BlocksPerYear)
-	require.Equal(t, dec1, mintGenesis.Params.InflationCoef)
-	require.Equal(t, dec2, mintGenesis.Params.BondingAdjustment)
-	require.Equal(t, dec3, mintGenesis.Params.TargetBondingRatio)
+	require.Equal(t, "0.073000000000000000", mintGenesis.Params.InflationCoef.String())
 	require.Equal(t, "stake", mintGenesis.Params.MintDenom)
-	require.Equal(t, "0stake",
-		mintGenesis.Minter.BlockProvision(mintGenesis.Params).String())
-	require.Equal(t, "170.000000000000000000",
-		mintGenesis.Minter.NextAnnualProvisions(mintGenesis.Params, simState.InitialStake).String())
-	require.Equal(t, "0.109500000000000000", mintGenesis.Minter.NextInflation(mintGenesis.Params, sdk.NewDecWithPrec(66, 2)).String())
+	require.Equal(t, "0stake", mintGenesis.Minter.BlockProvision(mintGenesis.Params).String())
 	require.Equal(t, "0.170000000000000000", mintGenesis.Minter.Inflation.String())
 	require.Equal(t, "170.000000000000000000", mintGenesis.Minter.AnnualProvisions.String())
+	require.Equal(t, "0.150000000000000000", minter.Inflation.String())
+	require.Equal(t, "150.000000000000000000", minter.AnnualProvisions.String())
 }
 
 // TestRandomizedGenState tests abnormal scenarios of applying RandomizedGenState.
diff --git a/x/mint/simulation/proposals_test.go b/x/mint/simulation/proposals_test.go
index 04f67274..7e1a2176 100644
--- a/x/mint/simulation/proposals_test.go
+++ b/x/mint/simulation/proposals_test.go
@@ -40,8 +40,6 @@ func TestProposalMsgs(t *testing.T) {
 
 	assert.Equal(t, sdk.AccAddress(address.Module("gov")).String(), msgUpdateParams.Authority)
 	assert.Equal(t, uint64(122877), msgUpdateParams.Params.BlocksPerYear)
-	assert.DeepEqual(t, sdk.NewDecWithPrec(7, 2), msgUpdateParams.Params.TargetBondingRatio)
 	assert.DeepEqual(t, sdk.NewDecWithPrec(95, 2), msgUpdateParams.Params.InflationCoef)
-	assert.DeepEqual(t, sdk.NewDecWithPrec(6, 1), msgUpdateParams.Params.BondingAdjustment)
-	assert.Equal(t, "xKGLwQvuyN", msgUpdateParams.Params.MintDenom)
+	assert.Equal(t, "eAerqyNEUz", msgUpdateParams.Params.MintDenom)
 }