diff --git a/src/hash.c b/src/hash.c
index 1ddf7a3bc..775e4b4c1 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -25,7 +25,14 @@
 
 #include "common.h"
 #include "hash.h"
-#include "sha1.h"
+
+#if defined(PPC_SHA1)
+# include "ppc/sha1.h"
+#elif defined(OPENSSL_SHA1)
+# include <openssl/sha.h>
+#else
+# include "block-sha1/sha1.h"
+#endif
 
 struct git_hash_ctx {
 	SHA_CTX c;
diff --git a/src/sha1.h b/src/sha1.h
deleted file mode 100644
index f4153cc66..000000000
--- a/src/sha1.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef INCLUDE_sha1_h__
-#define INCLUDE_sha1_h__
-
-#if defined(PPC_SHA1)
-# include "ppc/sha1.h"
-#elif defined(OPENSSL_SHA1)
-# include <openssl/sha.h>
-#else
-# include "block-sha1/sha1.h"
-#endif
-
-#endif /* INCLUDE_sha1_h__ */