diff --git a/recipe/conda_build_config.yaml b/recipe/conda_build_config.yaml
index 1f28ff2f29..9e2720754b 100644
--- a/recipe/conda_build_config.yaml
+++ b/recipe/conda_build_config.yaml
@@ -222,9 +222,6 @@ blas_impl:
   - mkl          # [x86 or x86_64]
   - blis         # [x86 or x86_64]
 
-# this output was dropped as of libabseil 20230125
-abseil_cpp:
-  - '20220623.0'
 ace:
   - 8.0.2
 alsa_lib:
@@ -249,16 +246,12 @@ aws_c_common:
   - 0.10.6
 aws_c_compression:
   - 0.3.0
-# coupled to aws_c_common version bump, see
-# https://github.com/conda-forge/aws-c-http-feedstock/pull/109
 aws_c_event_stream:
   - 0.5.0
 aws_c_http:
   - 0.9.2
-# the builds got coupled because 0.2.4 landed before the this migrator finished
 aws_c_io:
   - 0.15.3
-# the builds got coupled because 0.2.4 landed before the io migrator
 aws_c_mqtt:
   - 0.11.0
 aws_c_s3:
@@ -397,7 +390,6 @@ glpk:
   - '5.0'
 gmp:
   - 6
-# keep google_cloud_cpp in sync with libgoogle_cloud_*
 google_cloud_cpp:
   - '2.33'
 google_cloud_cpp_common:
@@ -406,10 +398,6 @@ googleapis_cpp:
   - '0.10'
 graphviz:
   - '12'
-# this has been renamed to libgrpc as of 1.49; dropped as of 1.52.
-# IOW, this version is unavailable; makes the renaming more obvious
-grpc_cpp:
-  - '1.52'
 harfbuzz:
   - '10'
 hdf4:
@@ -450,8 +438,6 @@ ldas_tools_framecpp:
   - '2.9'
 libabseil:
   - '20240722'
-libabseil_static:
-  - '20220623.0'
 libaec:
   - '1'
 libamd:
@@ -520,7 +506,6 @@ libframel:
   - '8.41'
 libgit2:
   - '1.9'
-# Keep in sync with google_cloud_cpp
 libgoogle_cloud:
   - '2.33'
 libgoogle_cloud_devel:
@@ -657,7 +642,6 @@ libssh2:
   - 1
 libsvm:
   - '335'
-# keep libsqlite in sync with sqlite
 libsqlite:
   - 3
 libtensorflow:
@@ -668,7 +652,6 @@ libthrift:
   - 0.21.0
 libtiff:
   - '4.7'
-# keep in synch with pytorch
 libtorch:
   - '2.4'
 libumfpack:
@@ -861,7 +844,6 @@ is_python_min:
   - false
 is_abi3:
   - true
-# Keep in sync with libtorch
 pytorch:
   - '2.4'
 pyqt:
@@ -932,7 +914,6 @@ sox:
   - 14.4.2
 spdlog:
   - '1.13'
-# keep sqlite in sync with libsqlite
 sqlite:
   - 3
 srm_ifce: