diff --git a/client/client_state.cpp b/client/client_state.cpp
index a786a40315..d641b0b828 100644
--- a/client/client_state.cpp
+++ b/client/client_state.cpp
@@ -168,10 +168,12 @@ void CLIENT_STATE::show_host_info() {
         "Processor: %d %s %s",
         host_info.p_ncpus, host_info.p_vendor, host_info.p_model
     );
-    msg_printf(NULL, MSG_INFO,
-        "Processor: %s cache",
-        buf
-    );
+    if (host_info.m_cache > 0) {
+        msg_printf(NULL, MSG_INFO,
+            "Processor: %s cache",
+            buf
+        );
+    }
     msg_printf(NULL, MSG_INFO,
         "Processor features: %s", host_info.p_features
     );
diff --git a/lib/coproc.cpp b/lib/coproc.cpp
index b087d78151..be63ab3b45 100644
--- a/lib/coproc.cpp
+++ b/lib/coproc.cpp
@@ -126,7 +126,9 @@ void COPROCS::summary_string(char* buf, int len) {
 vector<string> COPROCS::get(bool use_all) {
     vector<string> strings;
     COPROC_CUDA::get(*this, strings, use_all);
+#ifndef __APPLE__       // ATI does not yet support CAL on Macs
     COPROC_ATI::get(*this, strings);
+#endif
     return strings;
 }