diff --git a/tools/cryptorf/Makefile b/tools/cryptorf/Makefile
index 75fe80644..ed94fb846 100644
--- a/tools/cryptorf/Makefile
+++ b/tools/cryptorf/Makefile
@@ -4,26 +4,12 @@ MYINCLUDES = -I../../common/cryptorf
 MYCFLAGS =
 MYDEFS =
 
-# A better way would be to just try compiling with march and seeing if we succeed
-cpu_arch = $(shell uname -m)
-ifneq ($(findstring arm64, $(cpu_arch)), )
-    MYCFLAGS += -mcpu=native
-
-# iOS 'fun'
-else ifneq ($(findstring iP, $(cpu_arch)), )
-    MYCFLAGS += -mcpu=native
-else
-    MYCFLAGS += -march=native
-endif
-
 platform = $(shell uname)
 
 # Atomic
 # RPi Zero gcc requires -latomic
-# but MacOSX /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld
-# doesn't recognize option --as-needed
 ifneq ($(platform),Darwin)
-    MYLDLIBS += -lpthread -Wl,--as-needed -latomic -Wl,--no-as-needed
+    MYLDLIBS += -lpthread
 endif
 
 BINS = cm sm sma sma_multi