diff --git a/library/md2.c b/library/md2.c
index 13cb13f..58bd6d8 100644
--- a/library/md2.c
+++ b/library/md2.c
@@ -320,8 +320,7 @@
     { "message digest" },
     { "abcdefghijklmnopqrstuvwxyz" },
     { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
-    { ("12345678901234567890123456789012345678901234567890123456789012"
-      "345678901234567890") }
+    { "12345678901234567890123456789012345678901234567890123456789012345678901234567890" }
 };
 
 static const size_t md2_test_strlen[7] =
diff --git a/library/md4.c b/library/md4.c
index 7b535c9..9a82532 100644
--- a/library/md4.c
+++ b/library/md4.c
@@ -444,8 +444,7 @@
     { "message digest" },
     { "abcdefghijklmnopqrstuvwxyz" },
     { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
-    { ("12345678901234567890123456789012345678901234567890123456789012"
-      "345678901234567890") }
+    { "12345678901234567890123456789012345678901234567890123456789012345678901234567890" }
 };
 
 static const size_t md4_test_strlen[7] =
diff --git a/library/md5.c b/library/md5.c
index 4eea653..a2e1ca7 100644
--- a/library/md5.c
+++ b/library/md5.c
@@ -458,8 +458,7 @@
     { "message digest" },
     { "abcdefghijklmnopqrstuvwxyz" },
     { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
-    { ("12345678901234567890123456789012345678901234567890123456789012"
-      "345678901234567890") }
+    { "12345678901234567890123456789012345678901234567890123456789012345678901234567890" }
 };
 
 static const size_t md5_test_buflen[7] =
diff --git a/library/ripemd160.c b/library/ripemd160.c
index 77acfc7..c090c8f 100644
--- a/library/ripemd160.c
+++ b/library/ripemd160.c
@@ -514,8 +514,7 @@
     { "abcdefghijklmnopqrstuvwxyz" },
     { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },
     { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
-    { ("12345678901234567890123456789012345678901234567890123456789012"
-      "345678901234567890") },
+    { "12345678901234567890123456789012345678901234567890123456789012345678901234567890" },
 };
 
 static const size_t ripemd160_test_strlen[TESTS] =
diff --git a/library/sha512.c b/library/sha512.c
index 119f07f..3347afe 100644
--- a/library/sha512.c
+++ b/library/sha512.c
@@ -527,8 +527,7 @@
 static const unsigned char sha512_test_buf[3][113] =
 {
     { "abc" },
-    { ("abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
-      "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu") },
+    { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" },
     { "" }
 };