diff --git a/internal/mocks/crypto_setup.go b/internal/mocks/crypto_setup.go
index a4feaeb87..e1b4b627d 100644
--- a/internal/mocks/crypto_setup.go
+++ b/internal/mocks/crypto_setup.go
@@ -3,7 +3,7 @@
 //
 // Generated by this command:
 //
-//	mockgen -typed -build_flags=-tags=gomock -package mocks -destination crypto_setup_tmp.go github.com/quic-go/quic-go/internal/handshake CryptoSetup
+//	mockgen -typed -build_flags=-tags=gomock -package mocks -destination crypto_setup.go github.com/quic-go/quic-go/internal/handshake CryptoSetup
 //
 
 // Package mocks is a generated GoMock package.
diff --git a/internal/mocks/mockgen.go b/internal/mocks/mockgen.go
index 87c95fdf0..edc58f4ea 100644
--- a/internal/mocks/mockgen.go
+++ b/internal/mocks/mockgen.go
@@ -5,7 +5,7 @@ package mocks
 //go:generate sh -c "go run go.uber.org/mock/mockgen -typed -build_flags=\"-tags=gomock\" -package mocks -destination short_header_sealer.go github.com/quic-go/quic-go/internal/handshake ShortHeaderSealer"
 //go:generate sh -c "go run go.uber.org/mock/mockgen -typed -build_flags=\"-tags=gomock\" -package mocks -destination short_header_opener.go github.com/quic-go/quic-go/internal/handshake ShortHeaderOpener"
 //go:generate sh -c "go run go.uber.org/mock/mockgen -typed -build_flags=\"-tags=gomock\" -package mocks -destination long_header_opener.go github.com/quic-go/quic-go/internal/handshake LongHeaderOpener"
-//go:generate sh -c "go run go.uber.org/mock/mockgen -typed -build_flags=\"-tags=gomock\" -package mocks -destination crypto_setup_tmp.go github.com/quic-go/quic-go/internal/handshake CryptoSetup && sed -E 's~github.com/quic-go/qtls[[:alnum:]_-]*~github.com/quic-go/quic-go/internal/qtls~g; s~qtls.ConnectionStateWith0RTT~qtls.ConnectionState~g' crypto_setup_tmp.go > crypto_setup.go && rm crypto_setup_tmp.go && go run golang.org/x/tools/cmd/goimports -w crypto_setup.go"
+//go:generate sh -c "go run go.uber.org/mock/mockgen -typed -build_flags=\"-tags=gomock\" -package mocks -destination crypto_setup.go github.com/quic-go/quic-go/internal/handshake CryptoSetup"
 //go:generate sh -c "go run go.uber.org/mock/mockgen -typed -build_flags=\"-tags=gomock\" -package mocks -destination stream_flow_controller.go github.com/quic-go/quic-go/internal/flowcontrol StreamFlowController"
 //go:generate sh -c "go run go.uber.org/mock/mockgen -typed -build_flags=\"-tags=gomock\" -package mocks -destination congestion.go github.com/quic-go/quic-go/internal/congestion SendAlgorithmWithDebugInfos"
 //go:generate sh -c "go run go.uber.org/mock/mockgen -typed -build_flags=\"-tags=gomock\" -package mocks -destination connection_flow_controller.go github.com/quic-go/quic-go/internal/flowcontrol ConnectionFlowController"