diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 7730e5b64d..9c487f2bdf 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -9,15 +9,21 @@ on:
   workflow_dispatch:
     inputs:
       branch:
+        description: |
+          branch: git branch the workflow run targets.
+          Required even when 'sha' is provided because it is also used for organizing artifacts.
         required: true
         type: string
       date:
+        description: "date: Date (YYYY-MM-DD) this run is for. Used to organize artifacts produced by nightly builds"
         required: true
         type: string
       sha:
+        description: "sha: full git commit SHA to check out"
         required: true
         type: string
       build_type:
+        description: "build_type: one of [branch, nightly, pull-request]"
         type: string
         default: nightly
 
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 34fc4ed0b3..55d936b204 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -135,7 +135,6 @@ jobs:
     uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-post-build-checks.yaml@branch-25.08
     with:
       build_type: pull-request
-      enable_check_symbols: true
       symbol_exclusions: (void (thrust::|cub::))
   conda-python-build:
     needs: conda-cpp-build
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index fa7a1ae3a7..7eaf54f7e5 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -4,15 +4,21 @@ on:
   workflow_dispatch:
     inputs:
       branch:
+        description: |
+          branch: git branch the workflow run targets.
+          Required even when 'sha' is provided because it is also used for organizing artifacts.
         required: true
         type: string
       date:
+        description: "date: Date (YYYY-MM-DD) this run is for. Used to organize artifacts produced by nightly builds"
         required: true
         type: string
       sha:
+        description: "sha: full git commit SHA to check out"
         required: true
         type: string
       build_type:
+        description: "build_type: one of [branch, nightly, pull-request]"
         type: string
         default: nightly
 
@@ -25,7 +31,6 @@ jobs:
       branch: ${{ inputs.branch }}
       date: ${{ inputs.date }}
       sha: ${{ inputs.sha }}
-      enable_check_symbols: true
       symbol_exclusions: (void (thrust::|cub::))
   conda-cpp-tests:
     secrets: inherit