diff --git a/polkadot/node/subsystem-test-helpers/Cargo.toml b/polkadot/node/subsystem-test-helpers/Cargo.toml
index 81bc19a1303100c670f9894de57ae1ea85a72001..adb0587370ec7e7135db84e8bfb8b7db3dd0a01f 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 33c240443d02ec950adb3f0640374afe3ca88b83..aac46bd4b8fc93b79153007782ddc0fa70620407 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 c6d0ce7f7ec9794e1553eb4e5bb0fc0f228d256f..1bddc6b08702a71305c4e58aef6baf4f5eed6e2a 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 08e9e3889b06ad07aef43a20a3f33968ae667f1a..8912e19306e03bef9f3a5a84c24844f1eb15b0cf 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 5e1b9a7d174cedcba6afebd78827f83cbadc5ad5..d2b2224328a7f29efff13f718baffa157a5edd02 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 08dcbcaa644ee239e4cc4f39b2e70153ded762d0..fad51a863a1593cdde5cce0de5b013feafb0b263 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 99076aae6aa3642e25f5f8f54523d2e6a2defb0c..85ee5d99d891dc74cedc3f3930ddde0824bad263 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 43cb1bc37fda6a4b7b0123993dc7b2728d3f859f..030032e7754d61cb2c7a1fd7c38577e86b730318 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 5b5656efb4ac99713dfcd310d337fe843caaf933..b0118555506c978d46beaa56ec72838ab930a103 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 a1f7f9268b9f093ad7a10662b653433cc4eecf5f..b43bac1e8550158bd6adec38d2b020694e24147d 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 76bd63d59462dcc97fbcc2fada9c44a6ee4d3fc5..41fbebb39f3a684fcd1ba107089ca820bcabd77c 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 9b435da80682479d7b6ceb67c5f45f29de0c68ca..15ab1dbdd4fe5904eef06326ee0927f54df14fa9 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 772efb1eddd06d879cbc00e46997de0a2ca90328..c84c95ab0498f370faa7821dcbf44e6ad04e4583 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 d2af1304beb6501bae9e6130282c558929afa8dd..18a729e082d22f2ce07d0b4a42d3f6c3f611e7b3 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 }