diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 48f8f43e8d518222e772fea83da906ff29c8be39..4d86a625b63f7a8790d402eda0b6f207c8ff7a6c 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -85,6 +85,7 @@ Pod::Spec.new do |s|
     'USE_HEADERMAP' => 'NO',
     'ALWAYS_SEARCH_USER_PATHS' => 'NO',
     'GCC_PREPROCESSOR_DEFINITIONS' => '"$(inherited)" "COCOAPODS=1" "PB_NO_PACKED_STRUCTS=1"',
+    'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
   }
 
   s.default_subspecs = 'Interface', 'Implementation'
diff --git a/gRPC-ProtoRPC.podspec b/gRPC-ProtoRPC.podspec
index 4b7b36a68749fd68d8f8747174e1ca4bef768928..ca265035b1e1041495ea24c99523a98eaf22a152 100644
--- a/gRPC-ProtoRPC.podspec
+++ b/gRPC-ProtoRPC.podspec
@@ -52,5 +52,6 @@ Pod::Spec.new do |s|
     'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS=1',
     # This is needed by all pods that depend on gRPC-RxLibrary:
     'CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES' => 'YES',
+    'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
   }
 end
diff --git a/gRPC-RxLibrary.podspec b/gRPC-RxLibrary.podspec
index 673239cb90ad453f0a19dbfbeab7c48c54ba98d8..f9420686e7790fd86217f101dc8d6c443ba1ba2d 100644
--- a/gRPC-RxLibrary.podspec
+++ b/gRPC-RxLibrary.podspec
@@ -44,4 +44,8 @@ Pod::Spec.new do |s|
   s.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
   s.private_header_files = "#{src_dir}/private/*.h"
   s.header_mappings_dir = "#{src_dir}"
+
+  s.pod_target_xcconfig = {
+    'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
+  }
 end
diff --git a/gRPC.podspec b/gRPC.podspec
index 6c200905416511c4a206c716c0efcbdec9523930..bb526e844249d8a2b9e830ae99f9b5c61c019756 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -50,6 +50,7 @@ Pod::Spec.new do |s|
   s.pod_target_xcconfig = {
     # This is needed by all pods that depend on gRPC-RxLibrary:
     'CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES' => 'YES',
+    'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
   }
 
   s.subspec 'Main' do |ss|
diff --git a/templates/gRPC-Core.podspec.template b/templates/gRPC-Core.podspec.template
index e34bc8331e9ac5c69fca35795bdb38c27bc8d4fa..2a583e0388abdd42866c02526fc8817aafc6d6ce 100644
--- a/templates/gRPC-Core.podspec.template
+++ b/templates/gRPC-Core.podspec.template
@@ -112,6 +112,7 @@
       'USE_HEADERMAP' => 'NO',
       'ALWAYS_SEARCH_USER_PATHS' => 'NO',
       'GCC_PREPROCESSOR_DEFINITIONS' => '"$(inherited)" "COCOAPODS=1" "PB_NO_PACKED_STRUCTS=1"',
+      'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
     }
 
     s.default_subspecs = 'Interface', 'Implementation'
diff --git a/templates/gRPC-ProtoRPC.podspec.template b/templates/gRPC-ProtoRPC.podspec.template
index 4d99f6e19fcb78e7ee6d8b785f95138d4c8f2a63..d2dcc429ef11c20653ec33d96c402ee927a511e4 100644
--- a/templates/gRPC-ProtoRPC.podspec.template
+++ b/templates/gRPC-ProtoRPC.podspec.template
@@ -54,5 +54,6 @@
       'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS=1',
       # This is needed by all pods that depend on gRPC-RxLibrary:
       'CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES' => 'YES',
+      'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
     }
   end
diff --git a/templates/gRPC-RxLibrary.podspec.template b/templates/gRPC-RxLibrary.podspec.template
index de4ee1e4385fa49bb7de077e382192a008bef963..14147d7dc1bfc145aa89d7ba61b98a47fa11c89a 100644
--- a/templates/gRPC-RxLibrary.podspec.template
+++ b/templates/gRPC-RxLibrary.podspec.template
@@ -46,4 +46,8 @@
     s.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
     s.private_header_files = "#{src_dir}/private/*.h"
     s.header_mappings_dir = "#{src_dir}"
+
+    s.pod_target_xcconfig = {
+      'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
+    }
   end
diff --git a/templates/gRPC.podspec.template b/templates/gRPC.podspec.template
index 4b360cfb4c4bbd44447cb23412ddbdad0b73ff40..6616e74bd71906be8d288c40cd922c10aef392c9 100644
--- a/templates/gRPC.podspec.template
+++ b/templates/gRPC.podspec.template
@@ -52,6 +52,7 @@
     s.pod_target_xcconfig = {
       # This is needed by all pods that depend on gRPC-RxLibrary:
       'CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES' => 'YES',
+      'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
     }
 
     s.subspec 'Main' do |ss|