diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c689fde8..a531681b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,9 +15,7 @@ jobs:
           - 1.40.0
         features:
           - ""
-          - --features skeptic_tests
           - --no-default-features
-          - --no-default-features --features skeptic_tests
           - --features clippy
 
     env:
diff --git a/.travis.yml b/.travis.yml
index 8479ee2f..b6882349 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 sudo: false
 language: rust
-# cache: cargo # blocked by https://github.com/brson/rust-skeptic/issues/18
 rust:
   - beta
   - stable
@@ -16,9 +15,7 @@ matrix:
 env:
   matrix:
   - JOB=test CARGO_DEFAULT_FEATURES="" CARGO_FEATURES=""
-  - JOB=test CARGO_DEFAULT_FEATURES="" CARGO_FEATURES="skeptic_tests"
   - JOB=test CARGO_DEFAULT_FEATURES="--no-default-features" CARGO_FEATURES=""
-  - JOB=test CARGO_DEFAULT_FEATURES="--no-default-features" CARGO_FEATURES="skeptic_tests"
   - JOB=test CARGO_DEFAULT_FEATURES="" CARGO_FEATURES="clippy"
   global:
   - RUST_BACKTRACE=1
diff --git a/derive_builder/Cargo.toml b/derive_builder/Cargo.toml
index 25be25fc..63d21ec7 100644
--- a/derive_builder/Cargo.toml
+++ b/derive_builder/Cargo.toml
@@ -14,7 +14,6 @@ license = "MIT/Apache-2.0"
 categories = ["development-tools", "rust-patterns"]
 keywords = ["derive", "macro", "builder", "setter", "struct"]
 readme = "README.md"
-build = "build/mod.rs"
 
 [badges]
 travis-ci = { repository = "colin-kiegel/rust-derive-builder" }
@@ -22,7 +21,6 @@ travis-ci = { repository = "colin-kiegel/rust-derive-builder" }
 [features]
 default = ["std"]
 std = []
-skeptic_tests = ["skeptic", "derive_builder_macro/skeptic_tests", "derive_builder_core/skeptic_tests"]
 clippy = ["derive_builder_macro/clippy", "derive_builder_core/clippy"]
 
 [dependencies]
@@ -31,9 +29,5 @@ derive_builder_core = { version = "=0.10.0-alpha", path = "../derive_builder_cor
 
 [dev-dependencies]
 pretty_assertions = "0.6"
-skeptic = "0.13"
 rustversion = "1"
 trybuild = "1"
-
-[build-dependencies]
-skeptic = { version = "0.13", optional = true }
diff --git a/derive_builder/build/mod.rs b/derive_builder/build/mod.rs
deleted file mode 100644
index e318e1db..00000000
--- a/derive_builder/build/mod.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-#[cfg(not(feature = "skeptic_tests"))]
-fn main() {}
-
-#[cfg(feature = "skeptic_tests")]
-include!("skeptic.rs");
diff --git a/derive_builder/build/skeptic.rs b/derive_builder/build/skeptic.rs
deleted file mode 100644
index d5a26e0d..00000000
--- a/derive_builder/build/skeptic.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-extern crate skeptic;
-
-fn main() {
-    println!("INFO: Run with `RUST_LOG=build_script_build=trace` for debug information.");
-    skeptic::generate_doc_tests(&["README.md"]);
-}
diff --git a/derive_builder/tests/skeptic.rs b/derive_builder/tests/skeptic.rs
deleted file mode 100644
index 4b744dc3..00000000
--- a/derive_builder/tests/skeptic.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-#![cfg(feature = "skeptic_tests")]
-
-// NOTE this combination may cause
-//      `error[E0464]: multiple matching crates for `derive_builder`
-//
-// - rust-skeptic
-// - cargo check
-// - cargo test
-// - on a proc_macro crate
-//
-// => see https://github.com/brson/rust-skeptic/issues/18
-
-include!(concat!(env!("OUT_DIR"), "/skeptic-tests.rs"));
diff --git a/derive_builder_core/Cargo.toml b/derive_builder_core/Cargo.toml
index 209db1ca..c8c5fe52 100644
--- a/derive_builder_core/Cargo.toml
+++ b/derive_builder_core/Cargo.toml
@@ -13,11 +13,8 @@ documentation = "https://docs.rs/derive_builder_core"
 license = "MIT/Apache-2.0"
 readme = "README.md"
 
-build = "build/mod.rs"
-
 [features]
 clippy = []
-skeptic_tests = ["skeptic"]
 
 [badges]
 travis-ci = { repository = "colin-kiegel/rust-derive-builder" }
@@ -30,6 +27,3 @@ syn = { version = "1.0", features = ["full", "extra-traits"] }
 
 [dev-dependencies]
 pretty_assertions = "0.6"
-
-[build-dependencies]
-skeptic = { version = "0.13", optional = true }
diff --git a/derive_builder_core/build/mod.rs b/derive_builder_core/build/mod.rs
deleted file mode 100644
index e318e1db..00000000
--- a/derive_builder_core/build/mod.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-#[cfg(not(feature = "skeptic_tests"))]
-fn main() {}
-
-#[cfg(feature = "skeptic_tests")]
-include!("skeptic.rs");
diff --git a/derive_builder_core/build/skeptic.rs b/derive_builder_core/build/skeptic.rs
deleted file mode 100644
index c1f867dd..00000000
--- a/derive_builder_core/build/skeptic.rs
+++ /dev/null
@@ -1,100 +0,0 @@
-extern crate skeptic;
-
-fn main() {
-    let mut files = generate_doc_tpl_tests().unwrap();
-    files.push("README.md".to_string());
-
-    let files_ref: Vec<&str> = files.iter().map(|x| x.as_str()).collect();
-
-    skeptic::generate_doc_tests(files_ref.as_slice());
-}
-
-const DOC_TPL_HEADER: &'static str = r###"
-//////////////////////////////////////////////////////////////////
-// START of Header
-// NOTE:
-// - This file is auto-generated by the `build.rs` script.
-// - The following skeptic-template is a Rust format specifier,
-//   so braces are treated specially, and need to be escaped
-//   with double-braces.
-//   See: https://github.com/brson/rust-skeptic#skeptic-templates
-```rust,skeptic-template
-#[macro_use]
-extern crate derive_builder;
-
-#[derive(Builder)]
-struct Foo {{
-    #[allow(dead_code)]
-    default: bool,
-}}
-
-fn main() {{
-   {}
-}}
-```
-// END of Header
-//////////////////////////////////////////////////////////////////
-
-"###;
-
-use std::error::Error;
-use std::path::Path;
-use std::env;
-use std::fs::{File, DirBuilder, read_to_string};
-use std::io::Write;
-
-const DOC_TPL_DIR: &'static str = "src/doc_tpl/";
-const DOC_TPL_OUT_DIR: &'static str = "doc_tpl/";
-
-fn generate_doc_tpl_tests() -> Result<Vec<String>, Box<dyn Error>> {
-    let tpl_dir = Path::new(&env::var("CARGO_MANIFEST_DIR")?).join(DOC_TPL_DIR);
-    let out_dir = Path::new(&env::var("OUT_DIR")?).join(DOC_TPL_OUT_DIR);
-
-    if !out_dir.is_dir() {
-        DirBuilder::new().create(&out_dir)?;
-    }
-
-    let docs = tpl_dir.read_dir()
-        .map_err(|e| format!("Could not open {}: {}.", tpl_dir.display(), e))?;
-
-    let mut files = Vec::<String>::new();
-
-    for doc in docs {
-        let path = doc?.path();
-
-        if !is_markdown(&path) {
-            continue;
-        }
-
-        let filename = match path.file_name() {
-            Some(filename) => filename,
-            None => continue,
-        };
-
-        let tpl = read_to_string(&path)
-            .map_err(|e| format!("Cannot read file {}: {}.", path.display(), e))?;
-
-        println!("cargo:rerun-if-changed={}", path.display());
-        let out_file = out_dir.join(filename);
-
-        let mut out = File::create(&out_file)
-            .map_err(|e| format!("Cannot create file {}: {}.", out_file.display(), e))?;
-        out.write_all(DOC_TPL_HEADER.as_bytes())?;
-
-        let tpl = tpl.replace("{struct_name}", "Foo")
-            .replace("{builder_name}", "FooBuilder")
-            .replace("{field_name}", "default");
-        out.write_all(tpl.as_ref())?;
-
-        files.push(out_file.to_str()
-            .ok_or_else(|| "Path must not be empty")?
-            .to_string()
-        );
-    }
-
-    Ok(files)
-}
-
-fn is_markdown(path: &Path) -> bool {
-    path.extension().map_or(false, |extension| extension == "md")
-}
diff --git a/derive_builder_core/src/doc_tpl/mod.rs b/derive_builder_core/src/doc_tpl/mod.rs
index 705750b3..ccce3d4d 100644
--- a/derive_builder_core/src/doc_tpl/mod.rs
+++ b/derive_builder_core/src/doc_tpl/mod.rs
@@ -6,9 +6,6 @@
 //! - {builder_name}
 //! - {field_name}
 //!
-//! The `build.rs` script will generate documentation tests with the help
-//! of `skeptic`.
-//!
 //! Templates are used like this:
 //!
 //! ```rust,ignore
diff --git a/derive_builder_macro/Cargo.toml b/derive_builder_macro/Cargo.toml
index 96fa39b3..03cf6b1f 100644
--- a/derive_builder_macro/Cargo.toml
+++ b/derive_builder_macro/Cargo.toml
@@ -23,7 +23,6 @@ proc-macro = true
 
 [features]
 clippy = ["derive_builder_core/clippy"]
-skeptic_tests = ["derive_builder_core/skeptic_tests"]
 
 [dependencies]
 syn = { version = "1", features = ["full", "extra-traits"] }
diff --git a/dev/checkfeatures.sh b/dev/checkfeatures.sh
index e94bcd0a..6dfa0218 100755
--- a/dev/checkfeatures.sh
+++ b/dev/checkfeatures.sh
@@ -4,7 +4,7 @@ function main {
   export CARGO_TARGET_DIR="../target/__checkfeatures"
 
   commands=(
-    "cd derive_builder && rustup run 1.18.0 cargo test --all --color always --features \"skeptic_tests\""
+    "cd derive_builder && rustup run 1.18.0 cargo test --all --color always"
   )
 
   dev/travis-run-all.sh "${commands[@]}"
diff --git a/dev/githook.sh b/dev/githook.sh
index 0daaea81..2276187f 100755
--- a/dev/githook.sh
+++ b/dev/githook.sh
@@ -64,7 +64,7 @@ function run_tests_on {
 		if [ "$rustup" == true ]; then
 			rustup update $1 || exit
 		fi
-		cd derive_builder && rustup run "$1" cargo test --all --color always --features skeptic_tests
+		cd derive_builder && rustup run "$1" cargo test --all --color always
 	); ret=$?
 	check_or_echo $ret "" "$result"
 }
diff --git a/dev/nightlytests.sh b/dev/nightlytests.sh
index 5a972256..c4463979 100755
--- a/dev/nightlytests.sh
+++ b/dev/nightlytests.sh
@@ -4,7 +4,7 @@ function main {
   export CARGO_TARGET_DIR="../target/__nightlytests"
 
   commands=(
-    "cd derive_builder && rustup run nightly cargo test --all --color always --features \"skeptic_tests nightlytests\""
+    "cd derive_builder && rustup run nightly cargo test --all --color always --features \"nightlytests\""
   )
 
   dev/travis-run-all.sh "${commands[@]}"