diff --git a/.changes/unreleased/Under the Hood-20240423-080648.yaml b/.changes/unreleased/Under the Hood-20240423-080648.yaml
new file mode 100644
index 00000000..448630c8
--- /dev/null
+++ b/.changes/unreleased/Under the Hood-20240423-080648.yaml	
@@ -0,0 +1,6 @@
+kind: Under the Hood
+body: Remove the final underscore from secret and private environment variable constants.
+time: 2024-04-23T08:06:48.857514-05:00
+custom:
+  Author: emmyoop
+  Issue: "109"
diff --git a/dbt_common/constants.py b/dbt_common/constants.py
index de70594a..1db136af 100644
--- a/dbt_common/constants.py
+++ b/dbt_common/constants.py
@@ -1,6 +1,6 @@
 # Prefix which identifies environment variables which contains secrets.
-SECRET_ENV_PREFIX = "DBT_ENV_SECRET_"
+SECRET_ENV_PREFIX = "DBT_ENV_SECRET"
 
 # Prefix which identifies environment variables that should not be visible
 # via macros, flags, or other user-facing mechanisms.
-PRIVATE_ENV_PREFIX = "DBT_ENV_PRIVATE_"
+PRIVATE_ENV_PREFIX = "DBT_ENV_PRIVATE"