diff --git a/Cargo.lock b/Cargo.lock
index 3aabdec45..d90177655 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1128,7 +1128,6 @@ dependencies = [
  "num 0.4.0",
  "petgraph",
  "rgb",
- "rustc-serialize",
  "rustface",
  "serde",
  "serde_derive",
@@ -1158,7 +1157,6 @@ dependencies = [
  "rand 0.8.5",
  "regex",
  "rgb",
- "rustc-serialize",
  "serde",
  "serde_derive",
  "serde_json",
@@ -1231,7 +1229,6 @@ dependencies = [
  "regex",
  "reqwest",
  "router",
- "rustc-serialize",
  "serde",
  "serde_derive",
  "serde_json",
@@ -1253,7 +1250,6 @@ dependencies = [
  "imageflow_http_helpers",
  "imageflow_types",
  "libc",
- "rustc-serialize",
  "serde",
  "serde_json",
  "threadpool",
diff --git a/imageflow_core/Cargo.toml b/imageflow_core/Cargo.toml
index b1c2c7787..0a8e2f753 100644
--- a/imageflow_core/Cargo.toml
+++ b/imageflow_core/Cargo.toml
@@ -23,7 +23,6 @@ chrono =  "0.4"
 serde = "1"
 serde_json = "1"
 serde_derive = "1"
-rustc-serialize = "0.3"
 
 #lazy static
 lazy_static = "1"
diff --git a/imageflow_helpers/Cargo.toml b/imageflow_helpers/Cargo.toml
index 3cb7db61f..55a90577f 100644
--- a/imageflow_helpers/Cargo.toml
+++ b/imageflow_helpers/Cargo.toml
@@ -16,7 +16,7 @@ chrono =  "0.4"
 serde = "*"
 serde_json = "*"
 serde_derive = "*"
-rustc-serialize = "*"
+
 
 #lazy static
 lazy_static = "1"
diff --git a/imageflow_server/Cargo.toml b/imageflow_server/Cargo.toml
index 80ff55b7f..44d01c510 100644
--- a/imageflow_server/Cargo.toml
+++ b/imageflow_server/Cargo.toml
@@ -18,7 +18,6 @@ chrono =  "0.4"
 serde = "1"
 serde_json = "1"
 serde_derive = "1"
-rustc-serialize = "*"
 base64 = "0.13"
 
 #lazy static
diff --git a/imageflow_tool/Cargo.toml b/imageflow_tool/Cargo.toml
index 29fa8651a..04a5ff3e9 100644
--- a/imageflow_tool/Cargo.toml
+++ b/imageflow_tool/Cargo.toml
@@ -11,7 +11,6 @@ imageflow_types = { path = "../imageflow_types", version = "*" }
 libc = "0.2"
 clap = "3"
 time = "0.3"
-rustc-serialize = "*"
 threadpool = "1"
 serde = "1"
 serde_json = "1"