diff --git a/Makefile b/Makefile
index d8b41a4bf7..2c4f5f5ff4 100644
--- a/Makefile
+++ b/Makefile
@@ -100,23 +100,23 @@ bin/protoc-gen-go-grpc:
 ##@ Verify
 
 verify: generate ## Verify that all the code was generated and committed to repository.
-	@./scripts/git-diff
+	@git diff --exit-code
 
 .PHONY: verify-proto
 verify-proto: generate-proto ## Verify that the Dex client's protobuf code was generated.
-	@./scripts/git-diff
+	@git diff --exit-code
 
 .PHONY: verify-proto
 verify-proto-internal: generate-proto-internal ## Verify internal protobuf code for token encoding was generated.
-	@./scripts/git-diff
+	@git diff --exit-code
 
 .PHONY: verify-ent
 verify-ent: generate-ent ## Verify code for database ORM was generated.
-	@./scripts/git-diff
+	@git diff --exit-code
 
 .PHONY: verify-go-mod
 verify-go-mod: go-mod-tidy ## Check that go.mod and go.sum formatted according to the changes.
-	@./scripts/git-diff
+	@git diff --exit-code
 
 ##@ Test and Lint
 
diff --git a/scripts/git-diff b/scripts/git-diff
deleted file mode 100755
index 302ac2ce3e..0000000000
--- a/scripts/git-diff
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/bash -e
-
-DIFF=$( git diff . )
-if [ "$DIFF" != "" ]; then
-    echo "$DIFF" >&2
-    exit 1
-fi