diff --git a/precompile/contract/mocks_generate_test.go b/precompile/contract/mocks_generate_test.go
index ef40b0c378..8c50872884 100644
--- a/precompile/contract/mocks_generate_test.go
+++ b/precompile/contract/mocks_generate_test.go
@@ -1,3 +1,3 @@
 package contract
 
-//go:generate mockgen -package=$GOPACKAGE -copyright_file=../../license_header -destination=mocks.go . BlockContext,AccessibleState,StateDB
+//go:generate go run go.uber.org/mock/mockgen@v0.4.0 -package=$GOPACKAGE -copyright_file=../../license_header -destination=mocks.go . BlockContext,AccessibleState,StateDB
diff --git a/precompile/precompileconfig/mocks_generate_test.go b/precompile/precompileconfig/mocks_generate_test.go
index 696153d890..c0cf6d2e8b 100644
--- a/precompile/precompileconfig/mocks_generate_test.go
+++ b/precompile/precompileconfig/mocks_generate_test.go
@@ -1,3 +1,3 @@
 package precompileconfig
 
-//go:generate mockgen -package=$GOPACKAGE -copyright_file=../../license_header -destination=mocks.go . Predicater,Config,ChainConfig,Accepter
+//go:generate go run go.uber.org/mock/mockgen@v0.4.0 -package=$GOPACKAGE -copyright_file=../../license_header -destination=mocks.go . Predicater,Config,ChainConfig,Accepter
diff --git a/scripts/mock.gen.sh b/scripts/mock.gen.sh
index 9410e53c24..ed17704b8b 100755
--- a/scripts/mock.gen.sh
+++ b/scripts/mock.gen.sh
@@ -7,7 +7,4 @@ if ! [[ "$0" =~ scripts/mock.gen.sh ]]; then
   exit 255
 fi
 
-# https://github.com/uber-go/mock
-go install -v go.uber.org/mock/mockgen@v0.4.0
-
 go generate -run "mockgen.+license_header" ./...