diff --git a/shared.mk b/shared.mk
index e2e7300..5c2e112 100644
--- a/shared.mk
+++ b/shared.mk
@@ -10,8 +10,6 @@ else ifneq ("$(wildcard /usr/local/share/wasi-sysroot)", "")
         WASI_SYSROOT ?= /usr/local/share/wasi-sysroot
 endif
 
-export WASI_SYSROOT
-
 # By default compiler etc output is hidden, use
 #   make V=1 ...
 # to show it