diff --git a/opentelemetry-otlp/tests/integration_test/Cargo.toml b/opentelemetry-otlp/tests/integration_test/Cargo.toml
index 516a2cdea4..81844afc45 100644
--- a/opentelemetry-otlp/tests/integration_test/Cargo.toml
+++ b/opentelemetry-otlp/tests/integration_test/Cargo.toml
@@ -15,15 +15,19 @@ tokio = { workspace = true, features = ["full"] }
 serde_json = { workspace = true }
 testcontainers = { version = "0.25.2", features = ["http_wait"] }
 anyhow = { workspace = true }
-ctor = { workspace = true }
-uuid = { workspace = true, features = ["v4"] }
 tracing-subscriber = { workspace = true, features = ["env-filter","registry", "std", "fmt"] }
 tracing = {workspace = true}
 
 [target.'cfg(unix)'.dependencies]
-opentelemetry-appender-tracing = { path = "../../../opentelemetry-appender-tracing", default-features = false}
 opentelemetry-otlp = { path = "../../../opentelemetry-otlp", default-features = false }
 
+[dev-dependencies]
+ctor = { workspace = true }
+uuid = { workspace = true, features = ["v4"] }
+
+[target.'cfg(unix)'.dev-dependencies]
+opentelemetry-appender-tracing = { path = "../../../opentelemetry-appender-tracing", default-features = false}
+
 [features]
 hyper-client = ["opentelemetry-otlp/hyper-client", "opentelemetry-otlp/http-proto", "opentelemetry-otlp/trace", "opentelemetry-otlp/logs", "opentelemetry-otlp/metrics", "internal-logs"]
 reqwest-client = ["opentelemetry-otlp/reqwest-client", "opentelemetry-otlp/http-proto", "opentelemetry-otlp/trace","opentelemetry-otlp/logs", "opentelemetry-otlp/metrics", "internal-logs"]
diff --git a/opentelemetry-proto/Cargo.toml b/opentelemetry-proto/Cargo.toml
index 5a45d38618..ba8386801c 100644
--- a/opentelemetry-proto/Cargo.toml
+++ b/opentelemetry-proto/Cargo.toml
@@ -49,7 +49,7 @@ testing = ["opentelemetry/testing"]
 # add ons
 internal-logs = ["opentelemetry/internal-logs"]
 with-schemars = ["schemars"]
-with-serde = ["serde", "const-hex", "base64", "serde_json"]
+with-serde = ["serde", "const-hex", "base64"]
 
 [dependencies]
 tonic = { workspace = true, optional = true, features = ["codegen"] }
@@ -59,7 +59,6 @@ opentelemetry = { workspace = true, default-features = false }
 opentelemetry_sdk = { workspace = true, default-features = false }
 schemars = { workspace = true, optional = true }
 serde = { workspace = true, optional = true, features = ["serde_derive", "std"] }
-serde_json = { workspace = true, optional = true }
 const-hex = { workspace = true, optional = true }
 base64 = { workspace = true, optional = true }