diff --git a/src/epics/util/lib/Noise.pm b/src/epics/util/lib/Noise.pm
index 79a1bafea749e6a6d12f512c654455ca2e529cfe..0b699c3f581a474de7fbd8d37537c29937f243a8 100644
--- a/src/epics/util/lib/Noise.pm
+++ b/src/epics/util/lib/Noise.pm
@@ -43,7 +43,7 @@ sub printFrontEndVars  {
     print ::OUT << "END";
 static unsigned long noise_seed = 0;
 static unsigned long noise_u = 0, noise_v = 0, noise_w = 0;
-inline unsigned long noise_int64() {
+inline unsigned long noise_int64( void ) {
    noise_u = noise_u * 2862933555777941757LL + 7046029254386353087LL;
    noise_v ^= noise_v >> 17; noise_v ^= noise_v << 31; noise_v ^= noise_v >> 8;
    noise_w = 4294957665U * (noise_w & 0xffffffff) + (noise_w >> 32);
@@ -51,7 +51,7 @@ inline unsigned long noise_int64() {
    noise_x ^= noise_x >> 35; noise_x ^= noise_x <<4;
    return (noise_x + noise_v) ^ noise_w;
 }
-inline double noise_doub() { return 5.42101086242752217E-20 * noise_int64(); }
+inline double noise_doub( void ) { return 5.42101086242752217E-20 * noise_int64(); }
 inline noise_set_seed(unsigned long seed) {
    noise_v = 4101842887655102017LL;
    noise_w = 1;