diff --git a/src/random.cpp b/src/random.cpp
index 10b0e8c08..29faa32a7 100644
--- a/src/random.cpp
+++ b/src/random.cpp
@@ -19,7 +19,6 @@
 #include <sys/time.h>
 #endif
 
-#include <openssl/err.h>
 #include "sodium.h"
 
 static inline int64_t GetPerformanceCounter()
@@ -37,7 +36,7 @@ static inline int64_t GetPerformanceCounter()
 
 void GetRandBytes(unsigned char* buf, size_t num)
 {
-    randombytes_buf(buf, (size_t) num);
+    randombytes_buf(buf, num);
 }
 
 uint64_t GetRand(uint64_t nMax)
diff --git a/src/random.h b/src/random.h
index 47b8868f5..8cec678ef 100644
--- a/src/random.h
+++ b/src/random.h
@@ -12,7 +12,7 @@
 #include <stdint.h>
 
 /**
- * Functions to gather random data via the libsodium PRNG
+ * Functions to gather random data via the libsodium CSPRNG
  */
 void GetRandBytes(unsigned char* buf, size_t num);
 uint64_t GetRand(uint64_t nMax);