diff --git a/sdk/cargo-build-bpf/Cargo.toml b/sdk/cargo-build-bpf/Cargo.toml
index 62dbea565f..71c6fc1be9 100644
--- a/sdk/cargo-build-bpf/Cargo.toml
+++ b/sdk/cargo-build-bpf/Cargo.toml
@@ -7,6 +7,7 @@ repository = "https://github.com/solana-labs/solana"
 homepage = "https://solana.com/"
 license = "Apache-2.0"
 edition = "2018"
+publish = false
 
 [dependencies]
 clap = "2.33.3"
diff --git a/sdk/cargo-test-bpf/Cargo.toml b/sdk/cargo-test-bpf/Cargo.toml
index 43e1dab03a..a4639464c7 100644
--- a/sdk/cargo-test-bpf/Cargo.toml
+++ b/sdk/cargo-test-bpf/Cargo.toml
@@ -7,6 +7,7 @@ repository = "https://github.com/solana-labs/solana"
 homepage = "https://solana.com/"
 license = "Apache-2.0"
 edition = "2018"
+publish = false
 
 [dependencies]
 clap = "2.33.3"