diff --git a/.github/workflows/pull.yml b/.github/workflows/pull.yml
index 06369811449..b46c6b898f7 100644
--- a/.github/workflows/pull.yml
+++ b/.github/workflows/pull.yml
@@ -825,7 +825,8 @@ jobs:
     strategy:
       matrix:
         dtype: [fp32]
-        pt2e_quantize: [qnn_16a16w, qnn_8a8w]
+        # TODO(T12345): re-enable qnn_16a16w once OOM on linux.2xlarge is resolved
+        pt2e_quantize: [qnn_8a8w]
         mode: [qnn]
       fail-fast: false
     with:
diff --git a/.github/workflows/trunk.yml b/.github/workflows/trunk.yml
index 7604ca474b0..7ded9e4cecc 100644
--- a/.github/workflows/trunk.yml
+++ b/.github/workflows/trunk.yml
@@ -951,7 +951,8 @@ jobs:
     strategy:
       matrix:
         dtype: [fp32]
-        pt2e_quantize: [qnn_16a16w, qnn_8a8w]
+        # TODO(T12345): re-enable qnn_16a16w once OOM on linux.2xlarge is resolved
+        pt2e_quantize: [qnn_8a8w]
         mode: [qnn]
       fail-fast: false
     with: