diff --git a/libdispatch/ncproplist.c b/libdispatch/ncproplist.c
index 1801ec54c8..4c7b8b77e6 100644
--- a/libdispatch/ncproplist.c
+++ b/libdispatch/ncproplist.c
@@ -392,5 +392,5 @@ ncproplist_unused(void)
     unused = ncproplistith;
     unused = ncproplistinit;
     unused = (void*)ncproplistith;
-    unused = unused;
+    (void)unused;
 }
diff --git a/libnczarr/zplugins.c b/libnczarr/zplugins.c
index aeb1ee3ebf..b32ba01903 100644
--- a/libnczarr/zplugins.c
+++ b/libnczarr/zplugins.c
@@ -763,8 +763,8 @@ printhdf5(const NCZ_HDF5 h)
 static void static_unused(void)
 {
     void* p = NULL;
-    (void)p;
     p = static_unused;
+    (void)p;
 #if defined(DEBUGF) || defined(DEBUGL)
 (void)printplugin(NULL);
 (void)printparams(0, NULL);
diff --git a/ncdap_test/findtestserver.c.in b/ncdap_test/findtestserver.c.in
index 9b62cf811a..a42bb560bc 100644
--- a/ncdap_test/findtestserver.c.in
+++ b/ncdap_test/findtestserver.c.in
@@ -50,9 +50,6 @@ main(int argc, char** argv)
     char* serverlist = NULL;
     enum KIND kind = NOKIND;
 
-    kind = kind;
-    proto = proto;
-
     argc--; argv++;
     if(argc < 2)
 	usage();
@@ -74,6 +71,9 @@ main(int argc, char** argv)
 	kind = DAP4KIND;
     else
 #endif
+    (void)kind;
+    (void)proto;
+
 	usage();
 
     if(serverlist == NULL) {