diff --git a/polkadot/node/subsystem-test-helpers/Cargo.toml b/polkadot/node/subsystem-test-helpers/Cargo.toml
index 81bc19a130..adb0587370 100644
--- a/polkadot/node/subsystem-test-helpers/Cargo.toml
+++ b/polkadot/node/subsystem-test-helpers/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name = "polkadot-node-subsystem-test-helpers"
 description = "Subsystem traits and message definitions"
+publish = false
 version.workspace = true
 authors.workspace = true
 edition.workspace = true
diff --git a/polkadot/node/test/client/Cargo.toml b/polkadot/node/test/client/Cargo.toml
index 33c240443d..aac46bd4b8 100644
--- a/polkadot/node/test/client/Cargo.toml
+++ b/polkadot/node/test/client/Cargo.toml
@@ -1,5 +1,6 @@
 [package]
 name = "polkadot-test-client"
+publish = false
 version.workspace = true
 authors.workspace = true
 edition.workspace = true
diff --git a/polkadot/node/test/performance-test/Cargo.toml b/polkadot/node/test/performance-test/Cargo.toml
index c6d0ce7f7e..1bddc6b087 100644
--- a/polkadot/node/test/performance-test/Cargo.toml
+++ b/polkadot/node/test/performance-test/Cargo.toml
@@ -1,5 +1,6 @@
 [package]
 name = "polkadot-performance-test"
+publish = false
 version.workspace = true
 authors.workspace = true
 edition.workspace = true
diff --git a/polkadot/node/test/service/Cargo.toml b/polkadot/node/test/service/Cargo.toml
index 08e9e3889b..8912e19306 100644
--- a/polkadot/node/test/service/Cargo.toml
+++ b/polkadot/node/test/service/Cargo.toml
@@ -1,5 +1,6 @@
 [package]
 name = "polkadot-test-service"
+publish = false
 version.workspace = true
 authors.workspace = true
 edition.workspace = true
diff --git a/polkadot/parachain/test-parachains/adder/Cargo.toml b/polkadot/parachain/test-parachains/adder/Cargo.toml
index 5e1b9a7d17..d2b2224328 100644
--- a/polkadot/parachain/test-parachains/adder/Cargo.toml
+++ b/polkadot/parachain/test-parachains/adder/Cargo.toml
@@ -6,6 +6,7 @@ edition.workspace = true
 license.workspace = true
 version.workspace = true
 authors.workspace = true
+publish = false
 
 [dependencies]
 parachain = { package = "polkadot-parachain", path = "../../", default-features = false, features = [ "wasm-api" ] }
diff --git a/polkadot/parachain/test-parachains/adder/collator/Cargo.toml b/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
index 08dcbcaa64..fad51a863a 100644
--- a/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
+++ b/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name = "test-parachain-adder-collator"
 description = "Collator for the adder test parachain"
+publish = false
 version.workspace = true
 authors.workspace = true
 edition.workspace = true
diff --git a/polkadot/parachain/test-parachains/halt/Cargo.toml b/polkadot/parachain/test-parachains/halt/Cargo.toml
index 99076aae6a..85ee5d99d8 100644
--- a/polkadot/parachain/test-parachains/halt/Cargo.toml
+++ b/polkadot/parachain/test-parachains/halt/Cargo.toml
@@ -2,6 +2,7 @@
 name = "test-parachain-halt"
 description = "Test parachain which executes forever"
 build = "build.rs"
+publish = false
 version.workspace = true
 authors.workspace = true
 edition.workspace = true
diff --git a/polkadot/parachain/test-parachains/undying/Cargo.toml b/polkadot/parachain/test-parachains/undying/Cargo.toml
index 43cb1bc37f..030032e775 100644
--- a/polkadot/parachain/test-parachains/undying/Cargo.toml
+++ b/polkadot/parachain/test-parachains/undying/Cargo.toml
@@ -2,6 +2,7 @@
 name = "test-parachain-undying"
 description = "Test parachain for zombienet integration tests"
 build = "build.rs"
+publish = false
 version.workspace = true
 authors.workspace = true
 edition.workspace = true
diff --git a/polkadot/parachain/test-parachains/undying/collator/Cargo.toml b/polkadot/parachain/test-parachains/undying/collator/Cargo.toml
index 5b5656efb4..b011855550 100644
--- a/polkadot/parachain/test-parachains/undying/collator/Cargo.toml
+++ b/polkadot/parachain/test-parachains/undying/collator/Cargo.toml
@@ -5,6 +5,7 @@ edition.workspace = true
 license.workspace = true
 version.workspace = true
 authors.workspace = true
+publish = false
 
 [[bin]]
 name = "undying-collator"
diff --git a/polkadot/primitives/test-helpers/Cargo.toml b/polkadot/primitives/test-helpers/Cargo.toml
index a1f7f9268b..b43bac1e85 100644
--- a/polkadot/primitives/test-helpers/Cargo.toml
+++ b/polkadot/primitives/test-helpers/Cargo.toml
@@ -1,5 +1,6 @@
 [package]
 name = "polkadot-primitives-test-helpers"
+publish = false
 version.workspace = true
 authors.workspace = true
 edition.workspace = true
diff --git a/polkadot/runtime/test-runtime/Cargo.toml b/polkadot/runtime/test-runtime/Cargo.toml
index 76bd63d594..41fbebb39f 100644
--- a/polkadot/runtime/test-runtime/Cargo.toml
+++ b/polkadot/runtime/test-runtime/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name = "polkadot-test-runtime"
 build = "build.rs"
+publish = false
 version.workspace = true
 authors.workspace = true
 edition.workspace = true
diff --git a/polkadot/runtime/test-runtime/constants/Cargo.toml b/polkadot/runtime/test-runtime/constants/Cargo.toml
index 9b435da806..15ab1dbdd4 100644
--- a/polkadot/runtime/test-runtime/constants/Cargo.toml
+++ b/polkadot/runtime/test-runtime/constants/Cargo.toml
@@ -1,5 +1,6 @@
 [package]
 name = "test-runtime-constants"
+publish = false
 version.workspace = true
 authors.workspace = true
 edition.workspace = true
diff --git a/polkadot/utils/remote-ext-tests/bags-list/Cargo.toml b/polkadot/utils/remote-ext-tests/bags-list/Cargo.toml
index 772efb1edd..c84c95ab04 100644
--- a/polkadot/utils/remote-ext-tests/bags-list/Cargo.toml
+++ b/polkadot/utils/remote-ext-tests/bags-list/Cargo.toml
@@ -1,5 +1,6 @@
 [package]
 name = "remote-ext-tests-bags-list"
+publish = false
 version.workspace = true
 authors.workspace = true
 edition.workspace = true
diff --git a/polkadot/xcm/xcm-executor/integration-tests/Cargo.toml b/polkadot/xcm/xcm-executor/integration-tests/Cargo.toml
index d2af1304be..18a729e082 100644
--- a/polkadot/xcm/xcm-executor/integration-tests/Cargo.toml
+++ b/polkadot/xcm/xcm-executor/integration-tests/Cargo.toml
@@ -5,6 +5,7 @@ authors.workspace = true
 edition.workspace = true
 license.workspace = true
 version.workspace = true
+publish = false
 
 [dependencies]
 frame-support = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }