diff --git a/tools/llvm-as/Makefile b/tools/llvm-as/Makefile
index bdeeaa1e77f..ae449c479a4 100644
--- a/tools/llvm-as/Makefile
+++ b/tools/llvm-as/Makefile
@@ -12,4 +12,7 @@ TOOLNAME = llvm-as
 LINK_COMPONENTS := asmparser bitwriter
 REQUIRES_EH := 1
 
+# This tool has no plugins, optimize startup time.
+TOOL_NO_EXPORTS = 1
+
 include $(LEVEL)/Makefile.common