diff --git a/Cargo.toml b/Cargo.toml
index a42a2df..7a01119 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,4 +24,12 @@ anyhow = "1"
 libm = "0.2"
 
 [profile.release]
-debug = true
+debug = 0            # CARGO_PROFILE_RELEASE_DEBUG=true restores full debug info
+
+# Dev and test builds do not read DWARF, and it multiplies what every target directory and the
+# shared build cache hold.
+[profile.dev]
+debug = 0
+
+[profile.test]
+debug = 0