diff --git a/sgl-kernel/CMakeLists.txt b/sgl-kernel/CMakeLists.txt
index bbacf6dc4..6186eb4d1 100644
--- a/sgl-kernel/CMakeLists.txt
+++ b/sgl-kernel/CMakeLists.txt
@@ -52,15 +52,6 @@ FetchContent_Declare(
 )
 FetchContent_Populate(repo-cutlass)
 
-# DeepGEMM
-FetchContent_Declare(
-    repo-deepgemm
-    GIT_REPOSITORY https://github.com/sgl-project/DeepGEMM
-    GIT_TAG        ffe2b6b97420a9f8c58268ca55755168e6e2f360
-    GIT_SHALLOW    OFF
-)
-FetchContent_Populate(repo-deepgemm)
-
 # fmt
 FetchContent_Declare(
     repo-fmt
@@ -515,51 +506,6 @@ install(TARGETS spatial_ops LIBRARY DESTINATION sgl_kernel)
 # ============================ Extra Install: FLashMLA ============================= #
 include(${CMAKE_CURRENT_LIST_DIR}/cmake/flashmla.cmake)
 
-# ============================ Extra Install: DeepGEMM (JIT) ============================= #
-# Create a separate library for DeepGEMM's Python API.
-# This keeps its compilation isolated from the main common_ops.
-set(DEEPGEMM_SOURCES
-    "${repo-deepgemm_SOURCE_DIR}/csrc/python_api.cpp"
-)
-
-Python_add_library(deep_gemm_cpp MODULE USE_SABI ${SKBUILD_SABI_VERSION} WITH_SOABI ${DEEPGEMM_SOURCES})
-
-# Link against necessary libraries, including nvrtc for JIT compilation.
-target_link_libraries(deep_gemm_cpp PRIVATE ${TORCH_LIBRARIES} c10 cuda nvrtc mscclpp_static)
-
-# Add include directories needed by DeepGEMM.
-target_include_directories(deep_gemm_cpp PRIVATE
-    ${repo-deepgemm_SOURCE_DIR}/deep_gemm/include
-    ${repo-cutlass_SOURCE_DIR}/include
-    ${repo-fmt_SOURCE_DIR}/include
-)
-
-# Apply the same compile options as common_ops.
-target_compile_options(deep_gemm_cpp PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:${SGL_KERNEL_CUDA_FLAGS}>)
-
-# Create an empty __init__.py to make `deepgemm` a Python package.
-file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/deepgemm_pkg_init.py "")
-install(
-    FILES ${CMAKE_CURRENT_BINARY_DIR}/deepgemm_pkg_init.py
-    DESTINATION deep_gemm
-    RENAME __init__.py
-)
-
-# Install the compiled DeepGEMM API library.
-install(TARGETS deep_gemm_cpp LIBRARY DESTINATION deep_gemm)
-
-# Install the source files required by DeepGEMM for runtime JIT compilation.
-install(
-    DIRECTORY ${repo-deepgemm_SOURCE_DIR}/deep_gemm/
-    DESTINATION deep_gemm
-)
-
-install(DIRECTORY "${repo-cutlass_SOURCE_DIR}/include/cute/"
-        DESTINATION "deep_gemm/include/cute")
-
-install(DIRECTORY "${repo-cutlass_SOURCE_DIR}/include/cutlass/"
-        DESTINATION "deep_gemm/include/cutlass")
-
 # ============================ Extra Install: triton kernels ============================= #
 install(DIRECTORY "${repo-triton_SOURCE_DIR}/python/triton_kernels/triton_kernels/"
         DESTINATION "triton_kernels"
diff --git a/sgl-kernel/pyproject.toml b/sgl-kernel/pyproject.toml
index e250ad4c1..fc1954877 100644
--- a/sgl-kernel/pyproject.toml
+++ b/sgl-kernel/pyproject.toml
@@ -8,7 +8,7 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "sglang-kernel"
-version = "0.4.2"
+version = "0.4.2.post1"
 authors = [
   { name="SGLang Kernel Team", email="sglang@lmsys.org" },
 ]
diff --git a/sgl-kernel/pyproject_cpu.toml b/sgl-kernel/pyproject_cpu.toml
index e37662750..45bfa098f 100644
--- a/sgl-kernel/pyproject_cpu.toml
+++ b/sgl-kernel/pyproject_cpu.toml
@@ -8,7 +8,7 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "sglang-kernel-cpu"
-version = "0.4.2"
+version = "0.4.2.post1"
 description = "Kernel Library for SGLang"
 readme = "README.md"
 requires-python = ">=3.10"
diff --git a/sgl-kernel/pyproject_musa.toml b/sgl-kernel/pyproject_musa.toml
index aee8f4337..0e157060e 100644
--- a/sgl-kernel/pyproject_musa.toml
+++ b/sgl-kernel/pyproject_musa.toml
@@ -10,7 +10,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "sglang-kernel"
-version = "0.4.2"
+version = "0.4.2.post1"
 description = "Kernel Library for SGLang"
 readme = "README.md"
 requires-python = ">=3.10"
diff --git a/sgl-kernel/pyproject_rocm.toml b/sgl-kernel/pyproject_rocm.toml
index 4125960ca..6efa96467 100644
--- a/sgl-kernel/pyproject_rocm.toml
+++ b/sgl-kernel/pyproject_rocm.toml
@@ -9,7 +9,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "sglang-kernel"
-version = "0.4.2"
+version = "0.4.2.post1"
 description = "Kernel Library for SGLang"
 readme = "README.md"
 requires-python = ">=3.10"
diff --git a/sgl-kernel/python/sgl_kernel/version.py b/sgl-kernel/python/sgl_kernel/version.py
index df1243329..d1b3e6d0a 100644
--- a/sgl-kernel/python/sgl_kernel/version.py
+++ b/sgl-kernel/python/sgl_kernel/version.py
@@ -1 +1 @@
-__version__ = "0.4.2"
+__version__ = "0.4.2.post1"