diff --git a/cni/pkg.yaml b/cni/pkg.yaml
index a3028177..1e868752 100644
--- a/cni/pkg.yaml
+++ b/cni/pkg.yaml
@@ -19,7 +19,7 @@ steps:
       - |
         export PATH=${PATH}:${TOOLCHAIN}/go/bin
         cd ${GOPATH}/src/
-        /toolchain/bin/bash ./build_linux.sh
+        GOFLAGS="-ldflags=-s" /toolchain/bin/bash ./build_linux.sh
     install:
       - |
         mkdir -p /rootfs/opt/cni/bin
diff --git a/flannel-cni/pkg.yaml b/flannel-cni/pkg.yaml
index a887df32..99d925a3 100644
--- a/flannel-cni/pkg.yaml
+++ b/flannel-cni/pkg.yaml
@@ -36,7 +36,7 @@ steps:
         sed -i '/BUILD_DATE=/c BUILD_DATE="1"' scripts/version.sh
         sed -i '/COMMIT=/c COMMIT={{ .flannel_cni_ref }}' scripts/version.sh
 
-        /toolchain/bin/bash scripts/build_flannel.sh
+        EXTRA_LDFLAGS=-s /toolchain/bin/bash scripts/build_flannel.sh
     install:
       - |
         mkdir -p /rootfs/opt/cni/bin