diff --git a/crypto/md4/md4test.c b/crypto/md4/md4test.c
index 5da53382c9..56591728a1 100644
--- a/crypto/md4/md4test.c
+++ b/crypto/md4/md4test.c
@@ -97,12 +97,12 @@ static char *pt(unsigned char *md);
 int main(int argc, char *argv[])
 	{
 	int i,err=0;
-	unsigned char **P,**R;
+	char **P,**R;
 	char *p;
 	unsigned char md[MD4_DIGEST_LENGTH];
 
-	P=(unsigned char **)test;
-	R=(unsigned char **)ret;
+	P=test;
+	R=ret;
 	i=1;
 	while (*P != NULL)
 		{
diff --git a/crypto/md5/md5test.c b/crypto/md5/md5test.c
index 0628053fa7..2b37190e32 100644
--- a/crypto/md5/md5test.c
+++ b/crypto/md5/md5test.c
@@ -97,12 +97,12 @@ static char *pt(unsigned char *md);
 int main(int argc, char *argv[])
 	{
 	int i,err=0;
-	unsigned char **P,**R;
+	char **P,**R;
 	char *p;
 	unsigned char md[MD5_DIGEST_LENGTH];
 
-	P=(unsigned char **)test;
-	R=(unsigned char **)ret;
+	P=test;
+	R=ret;
 	i=1;
 	while (*P != NULL)
 		{
diff --git a/crypto/ripemd/rmdtest.c b/crypto/ripemd/rmdtest.c
index cbfdf2ae6f..fb34e0e836 100644
--- a/crypto/ripemd/rmdtest.c
+++ b/crypto/ripemd/rmdtest.c
@@ -103,12 +103,12 @@ static char *pt(unsigned char *md);
 int main(int argc, char *argv[])
 	{
 	int i,err=0;
-	unsigned char **P,**R;
+	char **P,**R;
 	char *p;
 	unsigned char md[RIPEMD160_DIGEST_LENGTH];
 
-	P=(unsigned char **)test;
-	R=(unsigned char **)ret;
+	P=test;
+	R=ret;
 	i=1;
 	while (*P != NULL)
 		{
diff --git a/crypto/sha/sha1test.c b/crypto/sha/sha1test.c
index b0650c7254..6feb3964c7 100644
--- a/crypto/sha/sha1test.c
+++ b/crypto/sha/sha1test.c
@@ -106,7 +106,7 @@ static char *pt(unsigned char *md);
 int main(int argc, char *argv[])
 	{
 	int i,err=0;
-	unsigned char **P,**R;
+	char **P,**R;
 	static unsigned char buf[1000];
 	char *p,*r;
 	EVP_MD_CTX c;
@@ -118,8 +118,8 @@ int main(int argc, char *argv[])
 #endif
 
 	EVP_MD_CTX_init(&c);
-	P=(unsigned char **)test;
-	R=(unsigned char **)ret;
+	P=test;
+	R=ret;
 	i=1;
 	while (*P != NULL)
 		{